diff --git a/AGENTS.md b/AGENTS.md
index 590026e98a4d5..902d6ba34fe27 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -138,7 +138,7 @@ Oxc uses multiple testing approaches tailored to each crate:
 
 - **Unit/Integration tests**: Standard Rust tests in `tests/` directories
 - **Conformance tests**: Against external suites (Test262, Babel, TypeScript, Prettier)
-- **Snapshot tests**: Track failures and expected outputs using `insta`
+- **Snapshot tests**: Track failures and expected outputs using `cargo insta`
 
 ### Quick Test Commands
 
@@ -146,6 +146,8 @@ Oxc uses multiple testing approaches tailored to each crate:
 just test                                   # Run all Rust tests
 just conformance                            # Run all conformance tests (alias: cargo coverage)
 cargo test -p <crate_name>                  # Test specific crate
+cargo insta test                            # Run snapshot tests
+cargo insta review                          # Review/update snapshots after running test
 
 # Conformance for specific tools
 cargo coverage -- parser                    # Parser conformance
@@ -181,6 +183,8 @@ fn test() {
 }
 ```
 
+- **Fixer**: Use `expect_fix(fix)` method after `test_and_snapshot()` for auto-fix tests in rules.
+
 #### oxc_formatter
 
 - **Prettier conformance** only (no unit tests)
@@ -290,18 +294,18 @@ Tests are TypeScript files in each package's `test/` directory.
 
 ### Where to Add Tests
 
-| Crate                 | Location                                |
-| --------------------- | --------------------------------------- |
-| Parser                | `tasks/coverage/misc/pass/` or `fail/`  |
-| Linter                | Inline in rule files                    |
-| Formatter             | Prettier conformance suite              |
-| Minifier              | `tests/` subdirectories                 |
-| Transformer           | `tests/integrations/` or Babel fixtures |
-| Codegen               | `tests/integration/`                    |
-| Isolated Declarations | `tests/fixtures/*.ts`                   |
-| Semantic              | `tests/` directory                      |
-| NAPI packages         | `test/` directory (Vitest)              |
-| Language Server       | Inline and `/fixtures`                  |
+| Crate                 | Location                                                    |
+| --------------------- | ----------------------------------------------------------- |
+| Parser                | `tasks/coverage/misc/pass/` or `fail/`                      |
+| Linter                | Inline in rule files and `tests/` subdirectory for fixtures |
+| Formatter             | Prettier conformance suite                                  |
+| Minifier              | `tests/` subdirectories                                     |
+| Transformer           | `tests/integrations/` or Babel fixtures                     |
+| Codegen               | `tests/integration/`                                        |
+| Isolated Declarations | `tests/fixtures/*.ts`                                       |
+| Semantic              | `tests/` directory                                          |
+| NAPI packages         | `test/` directory (Vitest)                                  |
+| Language Server       | Inline and `/fixtures`                                      |
 
 ## Notes
 
diff --git a/Cargo.lock b/Cargo.lock
index b361d6f0251f3..d8c9f1f5a73c7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -8,6 +8,20 @@ version = "2.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "320119579fcad9c21884f5c4861d16174d0e06250625266f50fe6898340abefa"
 
+[[package]]
+name = "ahash"
+version = "0.8.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a15f179cd60c4584b8a8c596927aadc462e27f2ca70c04e0071964a73ba7a75"
+dependencies = [
+ "cfg-if",
+ "getrandom 0.3.4",
+ "once_cell",
+ "serde",
+ "version_check",
+ "zerocopy",
+]
+
 [[package]]
 name = "aho-corasick"
 version = "1.1.4"
@@ -56,6 +70,12 @@ version = "0.7.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7c02d123df017efcdfbd739ef81735b36c5ba83ec3c59c80a9d7ecc718f92e50"
 
+[[package]]
+name = "atomic-waker"
+version = "1.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1505bd5d3d116872e7271a6d4e16d81d0c8570876c8de68093a09ac269d8aac0"
+
 [[package]]
 name = "autocfg"
 version = "1.5.0"
@@ -107,6 +127,21 @@ dependencies = [
  "virtue",
 ]
 
+[[package]]
+name = "bit-set"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08807e080ed7f9d5433fa9b275196cfc35414f66a0c79d864dc51a0d825231a3"
+dependencies = [
+ "bit-vec",
+]
+
+[[package]]
+name = "bit-vec"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5e764a1d40d510daf35e07be9eb06e75770908c27d411ee6c92109c9840eaaf7"
+
 [[package]]
 name = "bitflags"
 version = "2.10.0"
@@ -173,6 +208,12 @@ dependencies = [
  "allocator-api2",
 ]
 
+[[package]]
+name = "bytecount"
+version = "0.6.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "175812e0be2bccb6abe50bb8d566126198344f707e304f45c648fd8f2cc0365e"
+
 [[package]]
 name = "bytes"
 version = "1.10.1"
@@ -531,6 +572,12 @@ dependencies = [
  "parking_lot_core",
 ]
 
+[[package]]
+name = "data-encoding"
+version = "2.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2a2330da5de22e8a3cb63252ce2abb30116bf5265e89c0e01bc17015ce30a476"
+
 [[package]]
 name = "deranged"
 version = "0.5.5"
@@ -643,6 +690,15 @@ version = "1.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "48c757948c5ede0e46177b7add2e67155f70e33c07fea8284df6576da70b3719"
 
+[[package]]
+name = "email_address"
+version = "0.2.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e079f19b08ca6239f47f8ba8509c11cf3ea30095831f7fed61441475edd8c449"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "encode_unicode"
 version = "1.0.0"
@@ -703,6 +759,17 @@ dependencies = [
  "windows-sys 0.61.2",
 ]
 
+[[package]]
+name = "fancy-regex"
+version = "0.16.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "998b056554fbe42e03ae0e152895cd1a7e1002aec800fdc6635d20270260c46f"
+dependencies = [
+ "bit-set",
+ "regex-automata",
+ "regex-syntax",
+]
+
 [[package]]
 name = "fast-glob"
 version = "1.0.0"
@@ -759,6 +826,17 @@ dependencies = [
  "ref-cast",
 ]
 
+[[package]]
+name = "fluent-uri"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bc74ac4d8359ae70623506d512209619e5cf8f347124910440dbc221714b328e"
+dependencies = [
+ "borrow-or-share",
+ "ref-cast",
+ "serde",
+]
+
 [[package]]
 name = "fnv"
 version = "1.0.7"
@@ -786,6 +864,16 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "fraction"
+version = "0.15.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0f158e3ff0a1b334408dc9fb811cd99b446986f4d8b741bb08f9df1604085ae7"
+dependencies = [
+ "lazy_static",
+ "num",
+]
+
 [[package]]
 name = "futures"
 version = "0.3.31"
@@ -903,9 +991,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "899def5c37c4fd7b2664648c28120ecec138e4d395b459e5ca34f9cce2dd77fd"
 dependencies = [
  "cfg-if",
+ "js-sys",
  "libc",
  "r-efi",
  "wasip2",
+ "wasm-bindgen",
 ]
 
 [[package]]
@@ -1009,6 +1099,29 @@ dependencies = [
  "itoa",
 ]
 
+[[package]]
+name = "http-body"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1efedce1fb8e6913f23e0c92de8e62cd5b772a67e7b3946df930a62566c93184"
+dependencies = [
+ "bytes",
+ "http",
+]
+
+[[package]]
+name = "http-body-util"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b021d93e26becf5dc7e1b75b1bed1fd93124b374ceb73f43d4d4eafec896a64a"
+dependencies = [
+ "bytes",
+ "futures-core",
+ "http",
+ "http-body",
+ "pin-project-lite",
+]
+
 [[package]]
 name = "httparse"
 version = "1.10.1"
@@ -1024,6 +1137,51 @@ dependencies = [
  "libm",
 ]
 
+[[package]]
+name = "hyper"
+version = "1.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2ab2d4f250c3d7b1c9fcdff1cece94ea4e2dfbec68614f7b87cb205f24ca9d11"
+dependencies = [
+ "atomic-waker",
+ "bytes",
+ "futures-channel",
+ "futures-core",
+ "http",
+ "http-body",
+ "httparse",
+ "itoa",
+ "pin-project-lite",
+ "pin-utils",
+ "smallvec",
+ "tokio",
+ "want",
+]
+
+[[package]]
+name = "hyper-util"
+version = "0.1.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "727805d60e7938b76b826a6ef209eb70eaa1812794f9424d4a4e2d740662df5f"
+dependencies = [
+ "base64",
+ "bytes",
+ "futures-channel",
+ "futures-core",
+ "futures-util",
+ "http",
+ "http-body",
+ "hyper",
+ "ipnet",
+ "libc",
+ "percent-encoding",
+ "pin-project-lite",
+ "socket2",
+ "tokio",
+ "tower-service",
+ "tracing",
+]
+
 [[package]]
 name = "icu_collections"
 version = "2.1.1"
@@ -1220,6 +1378,22 @@ dependencies = [
  "walkdir",
 ]
 
+[[package]]
+name = "ipnet"
+version = "2.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "469fb0b9cefa57e3ef31275ee7cacb78f2fdca44e4765491884a2b119d4eb130"
+
+[[package]]
+name = "iri-string"
+version = "0.7.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4f867b9d1d896b67beb18518eda36fdb77a32ea590de864f1325b294a6d14397"
+dependencies = [
+ "memchr",
+ "serde",
+]
+
 [[package]]
 name = "is_ci"
 version = "1.2.0"
@@ -1299,6 +1473,34 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "jsonschema"
+version = "0.37.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73c9ffb2b5c56d58030e1b532d8e8389da94590515f118cf35b5cb68e4764a7e"
+dependencies = [
+ "ahash",
+ "bytecount",
+ "data-encoding",
+ "email_address",
+ "fancy-regex",
+ "fraction",
+ "getrandom 0.3.4",
+ "idna",
+ "itoa",
+ "num-cmp",
+ "num-traits",
+ "percent-encoding",
+ "referencing",
+ "regex",
+ "regex-syntax",
+ "reqwest",
+ "serde",
+ "serde_json",
+ "unicode-general-category",
+ "uuid-simd",
+]
+
 [[package]]
 name = "language-tags"
 version = "0.3.2"
@@ -1407,7 +1609,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7a7deb98ef9daaa7500324351a5bab7c80c644cfb86b4be0c4433b582af93510"
 dependencies = [
  "bitflags",
- "fluent-uri",
+ "fluent-uri 0.3.2",
  "percent-encoding",
  "serde",
  "serde_json",
@@ -1447,6 +1649,17 @@ dependencies = [
  "simd-adler32",
 ]
 
+[[package]]
+name = "mio"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "69d83b0086dc8ecf3ce9ae2874b2d1290252e2a30720bea58a5c6639b0092873"
+dependencies = [
+ "libc",
+ "wasi",
+ "windows-sys 0.61.2",
+]
+
 [[package]]
 name = "napi"
 version = "3.8.1"
@@ -1561,6 +1774,20 @@ dependencies = [
  "windows-sys 0.61.2",
 ]
 
+[[package]]
+name = "num"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "35bd024e8b2ff75562e5f34e7f4905839deb4b22955ef5e73d2fea1b9813cb23"
+dependencies = [
+ "num-bigint",
+ "num-complex",
+ "num-integer",
+ "num-iter",
+ "num-rational",
+ "num-traits",
+]
+
 [[package]]
 name = "num-bigint"
 version = "0.4.6"
@@ -1571,6 +1798,21 @@ dependencies = [
  "num-traits",
 ]
 
+[[package]]
+name = "num-cmp"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "63335b2e2c34fae2fb0aa2cecfd9f0832a1e24b3b32ecec612c3426d46dc8aaa"
+
+[[package]]
+name = "num-complex"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73f88a1307638156682bada9d7604135552957b7818057dcef22705b4d509495"
+dependencies = [
+ "num-traits",
+]
+
 [[package]]
 name = "num-conv"
 version = "0.1.0"
@@ -1586,6 +1828,17 @@ dependencies = [
  "num-traits",
 ]
 
+[[package]]
+name = "num-iter"
+version = "0.1.45"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1429034a0490724d0075ebb2bc9e875d6503c3cf69e235a8941aa757d83ef5bf"
+dependencies = [
+ "autocfg",
+ "num-integer",
+ "num-traits",
+]
+
 [[package]]
 name = "num-modular"
 version = "0.6.1"
@@ -1601,6 +1854,17 @@ dependencies = [
  "num-modular",
 ]
 
+[[package]]
+name = "num-rational"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f83d14da390562dca69fc84082e73e548e1ad308d24accdedd2720017cb37824"
+dependencies = [
+ "num-bigint",
+ "num-integer",
+ "num-traits",
+]
+
 [[package]]
 name = "num-traits"
 version = "0.2.19"
@@ -2045,6 +2309,7 @@ dependencies = [
  "itertools",
  "javascript-globals",
  "json-strip-comments",
+ "jsonschema",
  "language-tags",
  "lazy-regex",
  "markdown",
@@ -2899,6 +3164,21 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "referencing"
+version = "0.37.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4283168a506f0dcbdce31c9f9cce3129c924da4c6bca46e46707fcb746d2d70c"
+dependencies = [
+ "ahash",
+ "fluent-uri 0.4.1",
+ "getrandom 0.3.4",
+ "hashbrown 0.16.1",
+ "parking_lot",
+ "percent-encoding",
+ "serde_json",
+]
+
 [[package]]
 name = "regex"
 version = "1.12.2"
@@ -2928,6 +3208,40 @@ version = "0.8.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7a2d987857b319362043e95f5353c0535c1f58eec5336fdfcf626430af7def58"
 
+[[package]]
+name = "reqwest"
+version = "0.12.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6eff9328d40131d43bd911d42d79eb6a47312002a4daefc9e37f17e74a7701a"
+dependencies = [
+ "base64",
+ "bytes",
+ "futures-channel",
+ "futures-core",
+ "futures-util",
+ "http",
+ "http-body",
+ "http-body-util",
+ "hyper",
+ "hyper-util",
+ "js-sys",
+ "log",
+ "percent-encoding",
+ "pin-project-lite",
+ "serde",
+ "serde_json",
+ "serde_urlencoded",
+ "sync_wrapper",
+ "tokio",
+ "tower",
+ "tower-http",
+ "tower-service",
+ "url",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+ "web-sys",
+]
+
 [[package]]
 name = "ring"
 version = "0.17.14"
@@ -3175,6 +3489,18 @@ dependencies = [
  "serde_core",
 ]
 
+[[package]]
+name = "serde_urlencoded"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3491c14715ca2294c4d6a88f15e84739788c1d030eed8c110436aafdaa2f3fd"
+dependencies = [
+ "form_urlencoded",
+ "itoa",
+ "ryu",
+ "serde",
+]
+
 [[package]]
 name = "sha1"
 version = "0.10.6"
@@ -3283,6 +3609,16 @@ version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b7c388c1b5e93756d0c740965c41e8822f866621d41acbdf6336a6a168f8840c"
 
+[[package]]
+name = "socket2"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "17129e116933cf371d018bb80ae557e889637989d8638274fb25622827b03881"
+dependencies = [
+ "libc",
+ "windows-sys 0.60.2",
+]
+
 [[package]]
 name = "sort-package-json"
 version = "0.0.7"
@@ -3357,6 +3693,9 @@ name = "sync_wrapper"
 version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0bf256ce5efdfa370213c1dabab5935a12e49f2c58d15e9eac2870d3b4f27263"
+dependencies = [
+ "futures-core",
+]
 
 [[package]]
 name = "synstructure"
@@ -3471,8 +3810,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ff360e02eab121e0bc37a2d3b4d4dc622e6eda3a8e5253d5435ecf5bd4c68408"
 dependencies = [
  "bytes",
+ "libc",
+ "mio",
  "pin-project-lite",
+ "socket2",
  "tokio-macros",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -3548,6 +3891,25 @@ dependencies = [
  "futures-util",
  "pin-project-lite",
  "sync_wrapper",
+ "tokio",
+ "tower-layer",
+ "tower-service",
+]
+
+[[package]]
+name = "tower-http"
+version = "0.6.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d4e6559d53cc268e5031cd8429d05415bc4cb4aefc4aa5d6cc35fbf5b924a1f8"
+dependencies = [
+ "bitflags",
+ "bytes",
+ "futures-util",
+ "http",
+ "http-body",
+ "iri-string",
+ "pin-project-lite",
+ "tower",
  "tower-layer",
  "tower-service",
 ]
@@ -3641,6 +4003,12 @@ dependencies = [
  "tracing-log",
 ]
 
+[[package]]
+name = "try-lock"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e421abadd41a4225275504ea4d6566923418b7f05506fbc9c0fe86ba7396114b"
+
 [[package]]
 name = "typenum"
 version = "1.19.0"
@@ -3653,6 +4021,12 @@ version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2896d95c02a80c6d6a5d6e953d479f5ddf2dfdb6a244441010e373ac0fb88971"
 
+[[package]]
+name = "unicode-general-category"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b993bddc193ae5bd0d623b49ec06ac3e9312875fdae725a975c51db1cc1677f"
+
 [[package]]
 name = "unicode-id"
 version = "0.3.6"
@@ -3767,6 +4141,16 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "uuid-simd"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23b082222b4f6619906941c17eb2297fff4c2fb96cb60164170522942a200bd8"
+dependencies = [
+ "outref",
+ "vsimd",
+]
+
 [[package]]
 name = "valuable"
 version = "0.1.1"
@@ -3822,6 +4206,15 @@ dependencies = [
  "winapi-util",
 ]
 
+[[package]]
+name = "want"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bfa7760aed19e106de2c7c0b581b509f2f25d3dacaf737cb82ac61bc6d760b0e"
+dependencies = [
+ "try-lock",
+]
+
 [[package]]
 name = "wasi"
 version = "0.11.1+wasi-snapshot-preview1"
@@ -3850,6 +4243,19 @@ dependencies = [
  "wasm-bindgen-shared",
 ]
 
+[[package]]
+name = "wasm-bindgen-futures"
+version = "0.4.55"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "551f88106c6d5e7ccc7cd9a16f312dd3b5d36ea8b4954304657d5dfba115d4a0"
+dependencies = [
+ "cfg-if",
+ "js-sys",
+ "once_cell",
+ "wasm-bindgen",
+ "web-sys",
+]
+
 [[package]]
 name = "wasm-bindgen-macro"
 version = "0.2.105"
@@ -3882,6 +4288,16 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "web-sys"
+version = "0.3.82"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3a1f95c0d03a47f4ae1f7a64643a6bb97465d9b740f0fa8f90ea33915c99a9a1"
+dependencies = [
+ "js-sys",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "webpki-roots"
 version = "1.0.4"
@@ -4047,7 +4463,7 @@ version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
 dependencies = [
- "windows-targets",
+ "windows-targets 0.52.6",
 ]
 
 [[package]]
@@ -4056,7 +4472,16 @@ version = "0.59.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1e38bc4d79ed67fd075bcc251a1c39b32a1776bbe92e5bef1f0bf1f8c531853b"
 dependencies = [
- "windows-targets",
+ "windows-targets 0.52.6",
+]
+
+[[package]]
+name = "windows-sys"
+version = "0.60.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f2f500e4d28234f72040990ec9d39e3a6b950f9f22d3dba18416c35882612bcb"
+dependencies = [
+ "windows-targets 0.53.5",
 ]
 
 [[package]]
@@ -4074,14 +4499,31 @@ version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973"
 dependencies = [
- "windows_aarch64_gnullvm",
- "windows_aarch64_msvc",
- "windows_i686_gnu",
- "windows_i686_gnullvm",
- "windows_i686_msvc",
- "windows_x86_64_gnu",
- "windows_x86_64_gnullvm",
- "windows_x86_64_msvc",
+ "windows_aarch64_gnullvm 0.52.6",
+ "windows_aarch64_msvc 0.52.6",
+ "windows_i686_gnu 0.52.6",
+ "windows_i686_gnullvm 0.52.6",
+ "windows_i686_msvc 0.52.6",
+ "windows_x86_64_gnu 0.52.6",
+ "windows_x86_64_gnullvm 0.52.6",
+ "windows_x86_64_msvc 0.52.6",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.53.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4945f9f551b88e0d65f3db0bc25c33b8acea4d9e41163edf90dcd0b19f9069f3"
+dependencies = [
+ "windows-link",
+ "windows_aarch64_gnullvm 0.53.1",
+ "windows_aarch64_msvc 0.53.1",
+ "windows_i686_gnu 0.53.1",
+ "windows_i686_gnullvm 0.53.1",
+ "windows_i686_msvc 0.53.1",
+ "windows_x86_64_gnu 0.53.1",
+ "windows_x86_64_gnullvm 0.53.1",
+ "windows_x86_64_msvc 0.53.1",
 ]
 
 [[package]]
@@ -4099,48 +4541,96 @@ version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3"
 
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.53.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a9d8416fa8b42f5c947f8482c43e7d89e73a173cead56d044f6a56104a6d1b53"
+
 [[package]]
 name = "windows_aarch64_msvc"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"
 
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.53.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b9d782e804c2f632e395708e99a94275910eb9100b2114651e04744e9b125006"
+
 [[package]]
 name = "windows_i686_gnu"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b"
 
+[[package]]
+name = "windows_i686_gnu"
+version = "0.53.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "960e6da069d81e09becb0ca57a65220ddff016ff2d6af6a223cf372a506593a3"
+
 [[package]]
 name = "windows_i686_gnullvm"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"
 
+[[package]]
+name = "windows_i686_gnullvm"
+version = "0.53.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fa7359d10048f68ab8b09fa71c3daccfb0e9b559aed648a8f95469c27057180c"
+
 [[package]]
 name = "windows_i686_msvc"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"
 
+[[package]]
+name = "windows_i686_msvc"
+version = "0.53.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e7ac75179f18232fe9c285163565a57ef8d3c89254a30685b57d83a38d326c2"
+
 [[package]]
 name = "windows_x86_64_gnu"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
 
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.53.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c3842cdd74a865a8066ab39c8a7a473c0778a3f29370b5fd6b4b9aa7df4a499"
+
 [[package]]
 name = "windows_x86_64_gnullvm"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
 
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.53.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0ffa179e2d07eee8ad8f57493436566c7cc30ac536a3379fdf008f47f6bb7ae1"
+
 [[package]]
 name = "windows_x86_64_msvc"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
 
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.53.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d6bbff5f0aada427a1e5a6da5f1f98158182f26556f345ac9e04d36d0ebed650"
+
 [[package]]
 name = "winnow"
 version = "0.7.13"
diff --git a/crates/oxc_linter/Cargo.toml b/crates/oxc_linter/Cargo.toml
index d9660995c7fe2..ed518c4eaba5e 100644
--- a/crates/oxc_linter/Cargo.toml
+++ b/crates/oxc_linter/Cargo.toml
@@ -76,5 +76,6 @@ url = { workspace = true }
 
 [dev-dependencies]
 insta = { workspace = true }
+jsonschema = { version = "0.37" }
 markdown = { workspace = true }
 project-root = { workspace = true }
diff --git a/crates/oxc_linter/tests/fixtures/schema_validation/invalid/env_wrong_type.json b/crates/oxc_linter/tests/fixtures/schema_validation/invalid/env_wrong_type.json
new file mode 100644
index 0000000000000..f4ebc3bc54c4d
--- /dev/null
+++ b/crates/oxc_linter/tests/fixtures/schema_validation/invalid/env_wrong_type.json
@@ -0,0 +1,3 @@
+{
+  "env": "not-an-object"
+}
diff --git a/crates/oxc_linter/tests/fixtures/schema_validation/invalid/globals_writeable_not_allowed.json b/crates/oxc_linter/tests/fixtures/schema_validation/invalid/globals_writeable_not_allowed.json
new file mode 100644
index 0000000000000..cbad0f235d177
--- /dev/null
+++ b/crates/oxc_linter/tests/fixtures/schema_validation/invalid/globals_writeable_not_allowed.json
@@ -0,0 +1,5 @@
+{
+  "globals": {
+    "Foo": "writeable"
+  }
+}
diff --git a/crates/oxc_linter/tests/fixtures/schema_validation/invalid/globals_wrong_value.json b/crates/oxc_linter/tests/fixtures/schema_validation/invalid/globals_wrong_value.json
new file mode 100644
index 0000000000000..aded9ebc69ee1
--- /dev/null
+++ b/crates/oxc_linter/tests/fixtures/schema_validation/invalid/globals_wrong_value.json
@@ -0,0 +1,5 @@
+{
+  "globals": {
+    "Foo": "foobar"
+  }
+}
diff --git a/crates/oxc_linter/tests/fixtures/schema_validation/invalid/invalid_category.json b/crates/oxc_linter/tests/fixtures/schema_validation/invalid/invalid_category.json
new file mode 100644
index 0000000000000..9bd75be1d4cfd
--- /dev/null
+++ b/crates/oxc_linter/tests/fixtures/schema_validation/invalid/invalid_category.json
@@ -0,0 +1,5 @@
+{
+  "categories": {
+    "invalid": "off"
+  }
+}
diff --git a/crates/oxc_linter/tests/fixtures/schema_validation/invalid/invalid_overrides_with_categories.json b/crates/oxc_linter/tests/fixtures/schema_validation/invalid/invalid_overrides_with_categories.json
new file mode 100644
index 0000000000000..5ce08eb1759be
--- /dev/null
+++ b/crates/oxc_linter/tests/fixtures/schema_validation/invalid/invalid_overrides_with_categories.json
@@ -0,0 +1,18 @@
+{
+  "rules": {
+    "curly": "off"
+  },
+  "overrides": [
+    {
+      "files": [
+        "**/*.js"
+      ],
+      "rules": {
+        "no-console": "error"
+      },
+      "categories": {
+        "perf": true
+      }
+    }
+  ]
+}
diff --git a/crates/oxc_linter/tests/fixtures/schema_validation/invalid/invalid_overrides_without_files.json b/crates/oxc_linter/tests/fixtures/schema_validation/invalid/invalid_overrides_without_files.json
new file mode 100644
index 0000000000000..5af53b250cdca
--- /dev/null
+++ b/crates/oxc_linter/tests/fixtures/schema_validation/invalid/invalid_overrides_without_files.json
@@ -0,0 +1,12 @@
+{
+  "rules": {
+    "curly": "off"
+  },
+  "overrides": [
+    {
+      "rules": {
+        "no-console": "error"
+      }
+    }
+  ]
+}
diff --git a/crates/oxc_linter/tests/fixtures/schema_validation/invalid/invalid_plugin.json b/crates/oxc_linter/tests/fixtures/schema_validation/invalid/invalid_plugin.json
new file mode 100644
index 0000000000000..fb245477a8968
--- /dev/null
+++ b/crates/oxc_linter/tests/fixtures/schema_validation/invalid/invalid_plugin.json
@@ -0,0 +1,5 @@
+{
+  "plugins": [
+    "invalid"
+  ]
+}
diff --git a/crates/oxc_linter/tests/fixtures/schema_validation/invalid/invalid_settings.json b/crates/oxc_linter/tests/fixtures/schema_validation/invalid/invalid_settings.json
new file mode 100644
index 0000000000000..84037789cc7cc
--- /dev/null
+++ b/crates/oxc_linter/tests/fixtures/schema_validation/invalid/invalid_settings.json
@@ -0,0 +1,11 @@
+{
+  "$schema": "../../../../../../npm/oxlint/configuration_schema.json",
+  "plugins": [
+    "react"
+  ],
+  "settings": {
+    "react": {
+      "version": "invalid"
+    }
+  }
+}
diff --git a/crates/oxc_linter/tests/fixtures/schema_validation/invalid/invalid_settings_react_version.json b/crates/oxc_linter/tests/fixtures/schema_validation/invalid/invalid_settings_react_version.json
new file mode 100644
index 0000000000000..97ab9aaa1d49c
--- /dev/null
+++ b/crates/oxc_linter/tests/fixtures/schema_validation/invalid/invalid_settings_react_version.json
@@ -0,0 +1,11 @@
+{
+  "$schema": "../../../../../../npm/oxlint/configuration_schema.json",
+  "plugins": [
+    "react"
+  ],
+  "settings": {
+    "react": {
+      "version": "5.10.9.1"
+    }
+  }
+}
diff --git a/crates/oxc_linter/tests/fixtures/schema_validation/invalid/invalid_severity.json b/crates/oxc_linter/tests/fixtures/schema_validation/invalid/invalid_severity.json
new file mode 100644
index 0000000000000..5969bed9d2d15
--- /dev/null
+++ b/crates/oxc_linter/tests/fixtures/schema_validation/invalid/invalid_severity.json
@@ -0,0 +1,5 @@
+{
+  "categories": {
+    "correctness": "invalid-severity"
+  }
+}
diff --git a/crates/oxc_linter/tests/fixtures/schema_validation/invalid/plugins_wrong_type.json b/crates/oxc_linter/tests/fixtures/schema_validation/invalid/plugins_wrong_type.json
new file mode 100644
index 0000000000000..175ffc44e605a
--- /dev/null
+++ b/crates/oxc_linter/tests/fixtures/schema_validation/invalid/plugins_wrong_type.json
@@ -0,0 +1,3 @@
+{
+  "plugins": "not-an-array"
+}
diff --git a/crates/oxc_linter/tests/fixtures/schema_validation/valid/basic_plugins.json b/crates/oxc_linter/tests/fixtures/schema_validation/valid/basic_plugins.json
new file mode 100644
index 0000000000000..e9fa8e688576e
--- /dev/null
+++ b/crates/oxc_linter/tests/fixtures/schema_validation/valid/basic_plugins.json
@@ -0,0 +1,7 @@
+{
+  "plugins": [
+    "import",
+    "typescript",
+    "unicorn"
+  ]
+}
diff --git a/crates/oxc_linter/tests/fixtures/schema_validation/valid/combined_sources.json b/crates/oxc_linter/tests/fixtures/schema_validation/valid/combined_sources.json
new file mode 100644
index 0000000000000..a69509b2c1c93
--- /dev/null
+++ b/crates/oxc_linter/tests/fixtures/schema_validation/valid/combined_sources.json
@@ -0,0 +1,79 @@
+{
+  "$schema": "../../../../../../npm/oxlint/configuration_schema.json",
+  "env": {
+    "browser": true,
+    "node": true
+  },
+  "globals": {
+    "globalThis": "readonly",
+    "window": "readonly"
+  },
+  "plugins": [
+    "typescript",
+    "jest",
+    "unicorn"
+  ],
+  "rules": {
+    "curly": [
+      "error",
+      "all"
+    ],
+    "no-shadow": "warn",
+    "jest/valid-title": "warn",
+    "unicorn/prefer-string-replace-all": "warn",
+    "typescript/no-explicit-any": "off"
+  },
+  "overrides": [
+    {
+      "files": [
+        "src/**"
+      ],
+      "env": {
+        "browser": true
+      },
+      "rules": {
+        "no-console": [
+          "warn",
+          {
+            "allow": [
+              "warn",
+              "error"
+            ]
+          }
+        ]
+      }
+    },
+    {
+      "files": [
+        "server/**"
+      ],
+      "env": {
+        "node": true
+      },
+      "globals": {
+        "__dirname": "readonly"
+      },
+      "rules": {
+        "no-console": "off",
+        "unicorn/no-process-exit": "off"
+      }
+    },
+    {
+      "files": [
+        "tests/**"
+      ],
+      "env": {
+        "jest": true
+      },
+      "rules": {
+        "jest/no-identical-title": "error",
+        "jest/no-conditional-expect": "warn"
+      }
+    }
+  ],
+  "ignorePatterns": [
+    "**/.cache/**",
+    "**/dist/**",
+    "**/coverage/**"
+  ]
+}
diff --git a/crates/oxc_linter/tests/fixtures/schema_validation/valid/complex_nested.json b/crates/oxc_linter/tests/fixtures/schema_validation/valid/complex_nested.json
new file mode 100644
index 0000000000000..575eb426657d8
--- /dev/null
+++ b/crates/oxc_linter/tests/fixtures/schema_validation/valid/complex_nested.json
@@ -0,0 +1,101 @@
+{
+  "$schema": "../../../../../../npm/oxlint/configuration_schema.json",
+  "plugins": [
+    "typescript",
+    "jest",
+    "unicorn"
+  ],
+  "env": {
+    "browser": true,
+    "node": true,
+    "jest": true
+  },
+  "globals": {
+    "__DEV__": "readonly",
+    "process": "readonly",
+    "Buffer": "readonly"
+  },
+  "ignorePatterns": [
+    "**/dist/**",
+    "**/build/**",
+    "**/.cache/**",
+    "coverage/**"
+  ],
+  "rules": {
+    "no-unused-vars": [
+      "error",
+      {
+        "argsIgnorePattern": "^_",
+        "varsIgnorePattern": "^_"
+      }
+    ],
+    "no-console": [
+      "warn",
+      {
+        "allow": [
+          "warn",
+          "error"
+        ]
+      }
+    ],
+    "eqeqeq": "error",
+    "unicorn/prefer-query-selector": "off",
+    "jest/no-disabled-tests": "warn",
+    "typescript/no-explicit-any": [
+      "warn",
+      {
+        "ignoreRestArgs": true
+      }
+    ]
+  },
+  "overrides": [
+    {
+      "files": [
+        "**/*.ts",
+        "**/*.tsx"
+      ],
+      "env": {
+        "browser": true
+      },
+      "rules": {
+        "typescript/explicit-module-boundary-types": "off",
+        "typescript/no-non-null-assertion": "warn"
+      }
+    },
+    {
+      "files": [
+        "**/*.test.ts",
+        "**/*.spec.ts"
+      ],
+      "env": {
+        "jest": true
+      },
+      "rules": {
+        "no-console": "off",
+        "jest/expect-expect": [
+          "warn",
+          {
+            "assertFunctionNames": [
+              "expect"
+            ]
+          }
+        ]
+      }
+    },
+    {
+      "files": [
+        "scripts/**"
+      ],
+      "env": {
+        "node": true
+      },
+      "globals": {
+        "__DEV__": "writable"
+      },
+      "rules": {
+        "no-process-exit": "off",
+        "no-console": "off"
+      }
+    }
+  ]
+}
diff --git a/crates/oxc_linter/tests/fixtures/schema_validation/valid/empty_config.json b/crates/oxc_linter/tests/fixtures/schema_validation/valid/empty_config.json
new file mode 100644
index 0000000000000..0967ef424bce6
--- /dev/null
+++ b/crates/oxc_linter/tests/fixtures/schema_validation/valid/empty_config.json
@@ -0,0 +1 @@
+{}
diff --git a/crates/oxc_linter/tests/fixtures/schema_validation/valid/env_config.json b/crates/oxc_linter/tests/fixtures/schema_validation/valid/env_config.json
new file mode 100644
index 0000000000000..5c9b772d3549e
--- /dev/null
+++ b/crates/oxc_linter/tests/fixtures/schema_validation/valid/env_config.json
@@ -0,0 +1,7 @@
+{
+  "env": {
+    "browser": true,
+    "node": true,
+    "es2021": true
+  }
+}
diff --git a/crates/oxc_linter/tests/fixtures/schema_validation/valid/extends_and_overrides.json b/crates/oxc_linter/tests/fixtures/schema_validation/valid/extends_and_overrides.json
new file mode 100644
index 0000000000000..fb9dbe2a0a0f7
--- /dev/null
+++ b/crates/oxc_linter/tests/fixtures/schema_validation/valid/extends_and_overrides.json
@@ -0,0 +1,61 @@
+{
+  "$schema": "../../../../../../npm/oxlint/configuration_schema.json",
+  "extends": [
+    "oxlint:recommended",
+    "plugin:typescript/recommended",
+    "plugin:unicorn/recommended"
+  ],
+  "plugins": [
+    "typescript",
+    "unicorn"
+  ],
+  "rules": {
+    "no-debugger": "error",
+    "no-alert": "error"
+  },
+  "overrides": [
+    {
+      "files": [
+        "**/*.js"
+      ],
+      "rules": {
+        "typescript/no-explicit-any": "off",
+        "unicorn/filename-case": [
+          "warn",
+          {
+            "case": "kebabCase"
+          }
+        ]
+      }
+    },
+    {
+      "files": [
+        "**/*.ts",
+        "**/*.tsx"
+      ],
+      "env": {
+        "browser": true
+      },
+      "rules": {
+        "no-unused-vars": [
+          "warn",
+          {
+            "vars": "all",
+            "args": "none"
+          }
+        ],
+        "typescript/no-explicit-any": [
+          "warn",
+          {
+            "ignoreRestArgs": true
+          }
+        ]
+      }
+    }
+  ],
+  "ignorePatterns": [
+    "**/vendor/**",
+    "**/fixtures/**",
+    "**/generated/**"
+  ]
+}
diff --git a/crates/oxc_linter/tests/fixtures/schema_validation/valid/full_config.json b/crates/oxc_linter/tests/fixtures/schema_validation/valid/full_config.json
new file mode 100644
index 0000000000000..239d559dee821
--- /dev/null
+++ b/crates/oxc_linter/tests/fixtures/schema_validation/valid/full_config.json
@@ -0,0 +1,39 @@
+{
+  "plugins": [
+    "import",
+    "typescript",
+    "unicorn"
+  ],
+  "jsPlugins": [
+    "eslint-plugin-foo",
+    "eslint-plugin-bar"
+  ],
+  "env": {
+    "browser": true
+  },
+  "globals": {
+    "foo": "readonly"
+  },
+  "settings": {},
+  "rules": {
+    "eqeqeq": "warn",
+    "import/no-cycle": "error",
+    "react/self-closing-comp": [
+      "error",
+      {
+        "html": false
+      }
+    ]
+  },
+  "overrides": [
+    {
+      "files": [
+        "*.test.ts",
+        "*.spec.ts"
+      ],
+      "rules": {
+        "@typescript-eslint/no-explicit-any": "off"
+      }
+    }
+  ]
+}
diff --git a/crates/oxc_linter/tests/fixtures/schema_validation/valid/globals_config.json b/crates/oxc_linter/tests/fixtures/schema_validation/valid/globals_config.json
new file mode 100644
index 0000000000000..67cf3076bb7af
--- /dev/null
+++ b/crates/oxc_linter/tests/fixtures/schema_validation/valid/globals_config.json
@@ -0,0 +1,7 @@
+{
+  "globals": {
+    "Foo": "writable",
+    "Bar": "readonly",
+    "Baz": "off"
+  }
+}
diff --git a/crates/oxc_linter/tests/fixtures/schema_validation/valid/ignore_patterns.json b/crates/oxc_linter/tests/fixtures/schema_validation/valid/ignore_patterns.json
new file mode 100644
index 0000000000000..a8d64cb415d2e
--- /dev/null
+++ b/crates/oxc_linter/tests/fixtures/schema_validation/valid/ignore_patterns.json
@@ -0,0 +1,8 @@
+{
+  "ignorePatterns": [
+    "dist",
+    "node_modules",
+    "*.min.js",
+    "**/*.ts"
+  ]
+}
diff --git a/crates/oxc_linter/tests/fixtures/schema_validation/valid/rules_config.json b/crates/oxc_linter/tests/fixtures/schema_validation/valid/rules_config.json
new file mode 100644
index 0000000000000..1996555324806
--- /dev/null
+++ b/crates/oxc_linter/tests/fixtures/schema_validation/valid/rules_config.json
@@ -0,0 +1,7 @@
+{
+  "rules": {
+    "no-unused-vars": "error",
+    "eqeqeq": ["warn"],
+    "no-console": ["error", { "allow": ["warn", "error"] }]
+  }
+}
diff --git a/crates/oxc_linter/tests/fixtures/schema_validation/valid/valid_categories.json b/crates/oxc_linter/tests/fixtures/schema_validation/valid/valid_categories.json
new file mode 100644
index 0000000000000..2e75a9c280a56
--- /dev/null
+++ b/crates/oxc_linter/tests/fixtures/schema_validation/valid/valid_categories.json
@@ -0,0 +1,11 @@
+{
+  "categories": {
+    "correctness": "warn",
+    "suspicious": "error",
+    "pedantic": "off",
+    "style": "warn",
+    "perf": "error",
+    "nursery": "error",
+    "restriction": "off"
+  }
+}
diff --git a/crates/oxc_linter/tests/fixtures/schema_validation/valid/valid_settings.json b/crates/oxc_linter/tests/fixtures/schema_validation/valid/valid_settings.json
new file mode 100644
index 0000000000000..a37c588b294c6
--- /dev/null
+++ b/crates/oxc_linter/tests/fixtures/schema_validation/valid/valid_settings.json
@@ -0,0 +1,11 @@
+{
+  "$schema": "../../../../../../npm/oxlint/configuration_schema.json",
+  "plugins": [
+    "react"
+  ],
+  "settings": {
+    "react": {
+      "version": "19.1.0"
+    }
+  }
+}
diff --git a/crates/oxc_linter/tests/rule_configuration_test.rs b/crates/oxc_linter/tests/rule_configuration_test.rs
index 096f12680baca..0897f1dfe75a8 100644
--- a/crates/oxc_linter/tests/rule_configuration_test.rs
+++ b/crates/oxc_linter/tests/rule_configuration_test.rs
@@ -54,7 +54,6 @@ fn test_rule_default_matches_from_configuration_null() {
                 "Rule '{plugin_name}/{rule_name}' has different configurations between default() and from_configuration(null).\n\
                  Default: {default_debug}\n\
                  From null: {null_debug}",
-
             ));
         }
     }
diff --git a/crates/oxc_linter/tests/schema_validation_test.rs b/crates/oxc_linter/tests/schema_validation_test.rs
new file mode 100644
index 0000000000000..68b9362a0d7df
--- /dev/null
+++ b/crates/oxc_linter/tests/schema_validation_test.rs
@@ -0,0 +1,135 @@
+//! Test to ensure JSON Schema validation is working correctly
+//!
+//! This test validates that the generated JSON schema for oxlintrc configuration
+//! files correctly validates both valid and invalid configurations. This helps
+//! prevent regressions in the schema generation process.
+
+use std::fs;
+use std::path::PathBuf;
+
+use insta::assert_snapshot;
+use jsonschema::Validator;
+use project_root::get_project_root;
+
+/// Get the path to the test fixtures directory
+fn get_fixtures_path() -> PathBuf {
+    get_project_root().unwrap().join("crates/oxc_linter/tests/fixtures/schema_validation")
+}
+
+fn schema_content() -> String {
+    // Load the generated schema from the expected location
+    let schema_json = get_project_root().unwrap().join("npm/oxlint/configuration_schema.json");
+
+    fs::read_to_string(&schema_json).expect("Failed to read generated schema")
+}
+
+/// Load the JSON schema from 'npm/oxlint/configuration_schema.json'
+fn load_schema() -> Validator {
+    let schema: serde_json::Value =
+        serde_json::from_str(&schema_content()).expect("Failed to parse generated schema as JSON");
+
+    Validator::new(&schema).expect("Failed to compile JSON schema")
+}
+
+/// Return a sorted list of JSON files in `dir`
+fn list_json_files(dir: &PathBuf) -> Vec<std::path::PathBuf> {
+    let mut files: Vec<std::path::PathBuf> = fs::read_dir(dir)
+        .unwrap_or_else(|e| panic!("Failed to read dir {}: {e}", dir.display()))
+        .filter_map(|entry| entry.ok().map(|e| e.path()))
+        .filter(|p| p.extension().and_then(|s| s.to_str()) == Some("json"))
+        .collect();
+
+    files.sort_by_key(|p| p.file_name().map(|s| s.to_string_lossy().to_string()));
+    files
+}
+
+/// Test that valid configuration files pass schema validation
+#[test]
+fn test_valid_configs_pass_validation() {
+    let schema = load_schema();
+    let valid_dir = get_fixtures_path().join("valid");
+
+    // Get all json files in the valid fixture directory.
+    let test_files = list_json_files(&valid_dir);
+
+    for file_path in &test_files {
+        let file_name = file_path.file_name().and_then(|s| s.to_str()).unwrap();
+        let content = fs::read_to_string(file_path)
+            .unwrap_or_else(|e| panic!("Failed to read {file_name}: {e}"));
+
+        let instance: serde_json::Value = serde_json::from_str(&content)
+            .unwrap_or_else(|e| panic!("Failed to parse {file_name} as JSON: {e}"));
+
+        // Use iter_errors to get all validation errors
+        let errors: Vec<_> = schema.iter_errors(&instance).collect();
+
+        if !errors.is_empty() {
+            let error_messages: Vec<String> = errors.iter().map(|e| format!("  - {e}")).collect();
+            panic!(
+                "Valid config '{file_name}' failed schema validation:\n{}",
+                error_messages.join("\n")
+            );
+        }
+    }
+}
+
+/// Test that invalid configuration files fail schema validation
+#[test]
+fn test_invalid_configs_fail_validation() {
+    let schema = load_schema();
+    let invalid_dir = get_fixtures_path().join("invalid");
+
+    // TODO: Add another invalid test case to ensure that unknown fields are caught.
+    // `additionalProperties` needs to be set to false for this to work and we need
+    // to explicitly allow the "$schema" field.
+    // Get all json files in the invalid fixture directory.
+    let test_files = list_json_files(&invalid_dir);
+
+    for file_path in &test_files {
+        let file_name = file_path.file_name().and_then(|s| s.to_str()).unwrap();
+        let content = fs::read_to_string(file_path)
+            .unwrap_or_else(|e| panic!("Failed to read {file_name}: {e}"));
+
+        let instance: serde_json::Value = serde_json::from_str(&content)
+            .unwrap_or_else(|e| panic!("Failed to parse {file_name} as JSON: {e}"));
+
+        // Collect validation errors
+        let errors: Vec<_> = schema.iter_errors(&instance).collect();
+
+        // Ensure there are errors
+        assert!(
+            !errors.is_empty(),
+            "Invalid config '{file_name}' unexpectedly passed schema validation"
+        );
+
+        // Snapshot the invalid JSON content and human-readable error messages together
+        let error_messages: String =
+            errors.iter().map(|e| format!("- {e}")).collect::<Vec<_>>().join("\n");
+
+        let snapshot_body =
+            format!("File: {file_name}\n\n.oxlintrc.json:\n{content}\nErrors:\n{error_messages}\n");
+
+        // Name snapshots by file to keep them stable and readable
+        let snap_name = format!("invalid_{file_name}_errors");
+        insta::with_settings!({ prepend_module_to_snapshot => false }, {
+            assert_snapshot!(snap_name, snapshot_body);
+        });
+    }
+}
+
+/// Test that the schema itself is valid JSON Schema Draft 7
+#[test]
+fn test_schema_is_valid() {
+    let schema: serde_json::Value =
+        serde_json::from_str(&schema_content()).expect("Failed to parse generated schema as JSON");
+
+    // Check that the schema has the expected $schema field
+    assert_eq!(
+        schema.get("$schema").and_then(|v| v.as_str()),
+        Some("http://json-schema.org/draft-07/schema#"),
+        "Schema should declare JSON Schema Draft 7"
+    );
+
+    // Check that we can compile it (this validates the schema structure)
+    Validator::new(&schema).expect("Generated schema should be valid JSON Schema");
+}
diff --git a/crates/oxc_linter/tests/snapshots/invalid_env_wrong_type.json_errors.snap b/crates/oxc_linter/tests/snapshots/invalid_env_wrong_type.json_errors.snap
new file mode 100644
index 0000000000000..e06c79187016b
--- /dev/null
+++ b/crates/oxc_linter/tests/snapshots/invalid_env_wrong_type.json_errors.snap
@@ -0,0 +1,13 @@
+---
+source: crates/oxc_linter/tests/schema_validation_test.rs
+expression: snapshot_body
+---
+File: env_wrong_type.json
+
+.oxlintrc.json:
+{
+  "env": "not-an-object"
+}
+
+Errors:
+- "not-an-object" is not of type "object"
diff --git a/crates/oxc_linter/tests/snapshots/invalid_globals_writeable_not_allowed.json_errors.snap b/crates/oxc_linter/tests/snapshots/invalid_globals_writeable_not_allowed.json_errors.snap
new file mode 100644
index 0000000000000..7e154516574b6
--- /dev/null
+++ b/crates/oxc_linter/tests/snapshots/invalid_globals_writeable_not_allowed.json_errors.snap
@@ -0,0 +1,15 @@
+---
+source: crates/oxc_linter/tests/schema_validation_test.rs
+expression: snapshot_body
+---
+File: globals_writeable_not_allowed.json
+
+.oxlintrc.json:
+{
+  "globals": {
+    "Foo": "writeable"
+  }
+}
+
+Errors:
+- "writeable" is not one of "readonly", "writable" or "off"
diff --git a/crates/oxc_linter/tests/snapshots/invalid_globals_wrong_value.json_errors.snap b/crates/oxc_linter/tests/snapshots/invalid_globals_wrong_value.json_errors.snap
new file mode 100644
index 0000000000000..008e31106c9d6
--- /dev/null
+++ b/crates/oxc_linter/tests/snapshots/invalid_globals_wrong_value.json_errors.snap
@@ -0,0 +1,15 @@
+---
+source: crates/oxc_linter/tests/schema_validation_test.rs
+expression: snapshot_body
+---
+File: globals_wrong_value.json
+
+.oxlintrc.json:
+{
+  "globals": {
+    "Foo": "foobar"
+  }
+}
+
+Errors:
+- "foobar" is not one of "readonly", "writable" or "off"
diff --git a/crates/oxc_linter/tests/snapshots/invalid_invalid_category.json_errors.snap b/crates/oxc_linter/tests/snapshots/invalid_invalid_category.json_errors.snap
new file mode 100644
index 0000000000000..d13d5bd3c102e
--- /dev/null
+++ b/crates/oxc_linter/tests/snapshots/invalid_invalid_category.json_errors.snap
@@ -0,0 +1,15 @@
+---
+source: crates/oxc_linter/tests/schema_validation_test.rs
+expression: snapshot_body
+---
+File: invalid_category.json
+
+.oxlintrc.json:
+{
+  "categories": {
+    "invalid": "off"
+  }
+}
+
+Errors:
+- Additional properties are not allowed ('invalid' was unexpected)
diff --git a/crates/oxc_linter/tests/snapshots/invalid_invalid_overrides_with_categories.json_errors.snap b/crates/oxc_linter/tests/snapshots/invalid_invalid_overrides_with_categories.json_errors.snap
new file mode 100644
index 0000000000000..6d35a16ae58aa
--- /dev/null
+++ b/crates/oxc_linter/tests/snapshots/invalid_invalid_overrides_with_categories.json_errors.snap
@@ -0,0 +1,28 @@
+---
+source: crates/oxc_linter/tests/schema_validation_test.rs
+expression: snapshot_body
+---
+File: invalid_overrides_with_categories.json
+
+.oxlintrc.json:
+{
+  "rules": {
+    "curly": "off"
+  },
+  "overrides": [
+    {
+      "files": [
+        "**/*.js"
+      ],
+      "rules": {
+        "no-console": "error"
+      },
+      "categories": {
+        "perf": true
+      }
+    }
+  ]
+}
+
+Errors:
+- Additional properties are not allowed ('categories' was unexpected)
diff --git a/crates/oxc_linter/tests/snapshots/invalid_invalid_overrides_without_files.json_errors.snap b/crates/oxc_linter/tests/snapshots/invalid_invalid_overrides_without_files.json_errors.snap
new file mode 100644
index 0000000000000..37816667cf672
--- /dev/null
+++ b/crates/oxc_linter/tests/snapshots/invalid_invalid_overrides_without_files.json_errors.snap
@@ -0,0 +1,22 @@
+---
+source: crates/oxc_linter/tests/schema_validation_test.rs
+expression: snapshot_body
+---
+File: invalid_overrides_without_files.json
+
+.oxlintrc.json:
+{
+  "rules": {
+    "curly": "off"
+  },
+  "overrides": [
+    {
+      "rules": {
+        "no-console": "error"
+      }
+    }
+  ]
+}
+
+Errors:
+- "files" is a required property
diff --git a/crates/oxc_linter/tests/snapshots/invalid_invalid_plugin.json_errors.snap b/crates/oxc_linter/tests/snapshots/invalid_invalid_plugin.json_errors.snap
new file mode 100644
index 0000000000000..2e324c0ac0d9d
--- /dev/null
+++ b/crates/oxc_linter/tests/snapshots/invalid_invalid_plugin.json_errors.snap
@@ -0,0 +1,15 @@
+---
+source: crates/oxc_linter/tests/schema_validation_test.rs
+expression: snapshot_body
+---
+File: invalid_plugin.json
+
+.oxlintrc.json:
+{
+  "plugins": [
+    "invalid"
+  ]
+}
+
+Errors:
+- ["invalid"] is not valid under any of the schemas listed in the 'anyOf' keyword
diff --git a/crates/oxc_linter/tests/snapshots/invalid_invalid_settings.json_errors.snap b/crates/oxc_linter/tests/snapshots/invalid_invalid_settings.json_errors.snap
new file mode 100644
index 0000000000000..d6c770cd2add0
--- /dev/null
+++ b/crates/oxc_linter/tests/snapshots/invalid_invalid_settings.json_errors.snap
@@ -0,0 +1,21 @@
+---
+source: crates/oxc_linter/tests/schema_validation_test.rs
+expression: snapshot_body
+---
+File: invalid_settings.json
+
+.oxlintrc.json:
+{
+  "$schema": "../../../../../../npm/oxlint/configuration_schema.json",
+  "plugins": [
+    "react"
+  ],
+  "settings": {
+    "react": {
+      "version": "invalid"
+    }
+  }
+}
+
+Errors:
+- "invalid" does not match "^[1-9][0-9]*(\.(0|[1-9][0-9]*))?(\.(0|[1-9][0-9]*))?$"
diff --git a/crates/oxc_linter/tests/snapshots/invalid_invalid_settings_react_version.json_errors.snap b/crates/oxc_linter/tests/snapshots/invalid_invalid_settings_react_version.json_errors.snap
new file mode 100644
index 0000000000000..836f21d8c0b66
--- /dev/null
+++ b/crates/oxc_linter/tests/snapshots/invalid_invalid_settings_react_version.json_errors.snap
@@ -0,0 +1,21 @@
+---
+source: crates/oxc_linter/tests/schema_validation_test.rs
+expression: snapshot_body
+---
+File: invalid_settings_react_version.json
+
+.oxlintrc.json:
+{
+  "$schema": "../../../../../../npm/oxlint/configuration_schema.json",
+  "plugins": [
+    "react"
+  ],
+  "settings": {
+    "react": {
+      "version": "5.10.9.1"
+    }
+  }
+}
+
+Errors:
+- "5.10.9.1" does not match "^[1-9][0-9]*(\.(0|[1-9][0-9]*))?(\.(0|[1-9][0-9]*))?$"
diff --git a/crates/oxc_linter/tests/snapshots/invalid_invalid_severity.json_errors.snap b/crates/oxc_linter/tests/snapshots/invalid_invalid_severity.json_errors.snap
new file mode 100644
index 0000000000000..28dc220949c20
--- /dev/null
+++ b/crates/oxc_linter/tests/snapshots/invalid_invalid_severity.json_errors.snap
@@ -0,0 +1,15 @@
+---
+source: crates/oxc_linter/tests/schema_validation_test.rs
+expression: snapshot_body
+---
+File: invalid_severity.json
+
+.oxlintrc.json:
+{
+  "categories": {
+    "correctness": "invalid-severity"
+  }
+}
+
+Errors:
+- "invalid-severity" is not valid under any of the schemas listed in the 'oneOf' keyword
diff --git a/crates/oxc_linter/tests/snapshots/invalid_plugins_wrong_type.json_errors.snap b/crates/oxc_linter/tests/snapshots/invalid_plugins_wrong_type.json_errors.snap
new file mode 100644
index 0000000000000..95b8bbdd3d1d9
--- /dev/null
+++ b/crates/oxc_linter/tests/snapshots/invalid_plugins_wrong_type.json_errors.snap
@@ -0,0 +1,13 @@
+---
+source: crates/oxc_linter/tests/schema_validation_test.rs
+expression: snapshot_body
+---
+File: plugins_wrong_type.json
+
+.oxlintrc.json:
+{
+  "plugins": "not-an-array"
+}
+
+Errors:
+- "not-an-array" is not valid under any of the schemas listed in the 'anyOf' keyword
diff --git a/npm/oxlint/configuration_schema.json b/npm/oxlint/configuration_schema.json
index 46d66f94861c0..f78e3ddcac8e6 100644
--- a/npm/oxlint/configuration_schema.json
+++ b/npm/oxlint/configuration_schema.json
@@ -721,4 +721,4 @@
     }
   },
   "markdownDescription": "Oxlint Configuration File\n\nThis configuration is aligned with ESLint v8's configuration schema (`eslintrc.json`).\n\nUsage: `oxlint -c oxlintrc.json --import-plugin`\n\n::: danger NOTE\n\nOnly the `.json` format is supported. You can use comments in configuration files.\n\n:::\n\nExample\n\n`.oxlintrc.json`\n\n```json\n{\n\"$schema\": \"./node_modules/oxlint/configuration_schema.json\",\n\"plugins\": [\"import\", \"typescript\", \"unicorn\"],\n\"env\": {\n\"browser\": true\n},\n\"globals\": {\n\"foo\": \"readonly\"\n},\n\"settings\": {\n},\n\"rules\": {\n\"eqeqeq\": \"warn\",\n\"import/no-cycle\": \"error\",\n\"react/self-closing-comp\": [\"error\", { \"html\": false }]\n},\n\"overrides\": [\n{\n\"files\": [\"*.test.ts\", \"*.spec.ts\"],\n\"rules\": {\n\"@typescript-eslint/no-explicit-any\": \"off\"\n}\n}\n]\n}\n```"
-}
\ No newline at end of file
+}