diff --git a/.changeset/breezy-parrots-fold.md b/.changeset/breezy-parrots-fold.md
new file mode 100644
index 000000000000..505ad176e059
--- /dev/null
+++ b/.changeset/breezy-parrots-fold.md
@@ -0,0 +1,5 @@
+---
+"@biomejs/biome": patch
+---
+
+Fixed an issue where the JSON reporter didn't contain the duration of the command.
diff --git a/crates/biome_cli/src/reporter/json.rs b/crates/biome_cli/src/reporter/json.rs
index dac8fe9f2c60..220714907aa9 100644
--- a/crates/biome_cli/src/reporter/json.rs
+++ b/crates/biome_cli/src/reporter/json.rs
@@ -10,10 +10,8 @@ use biome_diagnostics::{
 use biome_json_factory::make::*;
 use biome_json_syntax::{AnyJsonMemberName, AnyJsonValue, JsonRoot, JsonSyntaxKind, T};
 use camino::{Utf8Path, Utf8PathBuf};
-use serde::Serialize;
 
-#[derive(Debug, Default, Serialize)]
-#[serde(rename_all = "camelCase")]
+#[derive(Debug, Default)]
 pub(crate) struct JsonReporterVisitor {
     summary: TraversalSummary,
     diagnostics: Vec<JsonReport>,
@@ -212,13 +210,6 @@ fn report_to_json(report: &JsonReport) -> AnyJsonValue {
     ))
 }
 
-impl Display for JsonReporterVisitor {
-    fn fmt(&self, fmt: &mut Formatter) -> std::io::Result<()> {
-        let content = serde_json::to_string(&self)?;
-        fmt.write_str(content.as_str())
-    }
-}
-
 pub struct JsonReporter<'a> {
     pub execution: &'a dyn Execution,
     pub diagnostics_payload: &'a DiagnosticsPayload,
@@ -344,34 +335,29 @@ fn to_location(location: &Location) -> Option<LocationReport> {
     })
 }
 
-#[derive(Debug, Serialize)]
-#[serde(rename_all = "camelCase")]
+#[derive(Debug)]
 struct JsonReport {
     category: Option<&'static Category>,
     severity: Severity,
     message: String,
     advices: Vec<JsonSuggestion>,
-    #[serde(skip_serializing_if = "Option::is_none")]
     location: Option<LocationReport>,
 }
 
-#[derive(Debug, Serialize)]
-#[serde(rename_all = "camelCase")]
+#[derive(Debug)]
 struct LocationReport {
     path: String,
     start: LocationSpan,
     end: LocationSpan,
 }
 
-#[derive(Debug, Serialize)]
-#[serde(rename_all = "camelCase")]
+#[derive(Debug)]
 struct LocationSpan {
     column: usize,
     line: usize,
 }
 
-#[derive(Debug, Serialize)]
-#[serde(rename_all = "camelCase")]
+#[derive(Debug)]
 struct JsonSuggestion {
     start: LocationSpan,
     end: LocationSpan,
diff --git a/crates/biome_cli/src/reporter/mod.rs b/crates/biome_cli/src/reporter/mod.rs
index 0e019eeb8437..8fb61aa0c653 100644
--- a/crates/biome_cli/src/reporter/mod.rs
+++ b/crates/biome_cli/src/reporter/mod.rs
@@ -16,7 +16,7 @@ use biome_diagnostics::{Diagnostic, Error, Severity};
 use biome_fs::BiomePath;
 use biome_json_factory::make::{
     json_member, json_member_list, json_member_name, json_number_literal, json_number_value,
-    json_object_value, json_string_literal, token,
+    json_object_value, json_string_literal, json_string_value, token,
 };
 use biome_json_syntax::{AnyJsonMemberName, AnyJsonValue, JsonMember, T};
 use camino::Utf8Path;
@@ -55,7 +55,15 @@ pub struct TraversalSummary {
 
 impl TraversalSummary {
     pub(crate) fn json_member(&self) -> JsonMember {
-        let members = vec![
+        #[cfg(debug_assertions)]
+        let duration_value =
+            AnyJsonValue::JsonStringValue(json_string_value(json_string_literal("<TIME>")));
+        #[cfg(not(debug_assertions))]
+        let duration_value = AnyJsonValue::JsonNumberValue(json_number_value(json_number_literal(
+            self.duration.as_millis(),
+        )));
+
+        let mut members = vec![
             json_member(
                 AnyJsonMemberName::JsonMemberName(json_member_name(json_string_literal("changed"))),
                 token(T![:]),
@@ -75,6 +83,13 @@ impl TraversalSummary {
                 token(T![:]),
                 AnyJsonValue::JsonNumberValue(json_number_value(json_number_literal(self.matches))),
             ),
+            json_member(
+                AnyJsonMemberName::JsonMemberName(json_member_name(json_string_literal(
+                    "duration",
+                ))),
+                token(T![:]),
+                duration_value,
+            ),
             json_member(
                 AnyJsonMemberName::JsonMemberName(json_member_name(json_string_literal("errors"))),
                 token(T![:]),
@@ -119,6 +134,24 @@ impl TraversalSummary {
             ),
         ];
 
+        if let Some(_scanner_duration) = self.scanner_duration {
+            #[cfg(debug_assertions)]
+            let scanner_duration_value =
+                AnyJsonValue::JsonStringValue(json_string_value(json_string_literal("<TIME>")));
+            #[cfg(not(debug_assertions))]
+            let scanner_duration_value = AnyJsonValue::JsonNumberValue(json_number_value(
+                json_number_literal(_scanner_duration.as_millis()),
+            ));
+
+            members.push(json_member(
+                AnyJsonMemberName::JsonMemberName(json_member_name(json_string_literal(
+                    "scannerDuration",
+                ))),
+                token(T![:]),
+                scanner_duration_value,
+            ));
+        }
+
         let separators = vec![token(T![,]); members.len() - 1];
 
         json_member(
diff --git a/crates/biome_cli/tests/cases/mod.rs b/crates/biome_cli/tests/cases/mod.rs
index 8af05df0949a..d2c76bbc0d6b 100644
--- a/crates/biome_cli/tests/cases/mod.rs
+++ b/crates/biome_cli/tests/cases/mod.rs
@@ -36,6 +36,7 @@ mod regression_tests;
 mod reporter_checkstyle;
 mod reporter_github;
 mod reporter_gitlab;
+mod reporter_json;
 mod reporter_junit;
 mod reporter_rdjson;
 mod reporter_sarif;
diff --git a/crates/biome_cli/tests/cases/reporter_json.rs b/crates/biome_cli/tests/cases/reporter_json.rs
new file mode 100644
index 000000000000..a0111ece2db3
--- /dev/null
+++ b/crates/biome_cli/tests/cases/reporter_json.rs
@@ -0,0 +1,207 @@
+use crate::run_cli;
+use crate::snap_test::{SnapshotPayload, assert_cli_snapshot};
+use biome_console::BufferConsole;
+use biome_fs::MemoryFileSystem;
+use bpaf::Args;
+use camino::Utf8Path;
+
+const MAIN_1: &str = r#"import { z} from "z"
+import { z, b , a} from "lodash"
+
+a ==b
+
+debugger
+
+let f;
+		let f;"#;
+
+const MAIN_2: &str = r#"import { z} from "z"
+import { z, b , a} from "lodash"
+
+a ==b
+
+debugger
+
+let f;
+		let f;"#;
+
+#[test]
+fn reports_diagnostics_json_check_command() {
+    let fs = MemoryFileSystem::default();
+    let mut console = BufferConsole::default();
+
+    let file_path1 = Utf8Path::new("main.ts");
+    fs.insert(file_path1.into(), MAIN_1.as_bytes());
+
+    let file_path2 = Utf8Path::new("index.ts");
+    fs.insert(file_path2.into(), MAIN_2.as_bytes());
+
+    let (fs, result) = run_cli(
+        fs,
+        &mut console,
+        Args::from(
+            [
+                "check",
+                "--reporter=json-pretty",
+                file_path1.as_str(),
+                file_path2.as_str(),
+            ]
+            .as_slice(),
+        ),
+    );
+
+    assert!(result.is_err(), "run_cli returned {result:?}");
+
+    assert_cli_snapshot(SnapshotPayload::new(
+        module_path!(),
+        "reports_diagnostics_json_check_command",
+        fs,
+        console,
+        result,
+    ));
+}
+
+#[test]
+fn reports_diagnostics_json_ci_command() {
+    let fs = MemoryFileSystem::default();
+    let mut console = BufferConsole::default();
+
+    let file_path1 = Utf8Path::new("main.ts");
+    fs.insert(file_path1.into(), MAIN_1.as_bytes());
+
+    let file_path2 = Utf8Path::new("index.ts");
+    fs.insert(file_path2.into(), MAIN_2.as_bytes());
+
+    let (fs, result) = run_cli(
+        fs,
+        &mut console,
+        Args::from(
+            [
+                "ci",
+                "--reporter=json-pretty",
+                file_path1.as_str(),
+                file_path2.as_str(),
+            ]
+            .as_slice(),
+        ),
+    );
+
+    assert!(result.is_err(), "run_cli returned {result:?}");
+
+    assert_cli_snapshot(SnapshotPayload::new(
+        module_path!(),
+        "reports_diagnostics_json_ci_command",
+        fs,
+        console,
+        result,
+    ));
+}
+
+#[test]
+fn reports_diagnostics_json_lint_command() {
+    let fs = MemoryFileSystem::default();
+    let mut console = BufferConsole::default();
+
+    let file_path1 = Utf8Path::new("main.ts");
+    fs.insert(file_path1.into(), MAIN_1.as_bytes());
+
+    let file_path2 = Utf8Path::new("index.ts");
+    fs.insert(file_path2.into(), MAIN_2.as_bytes());
+
+    let (fs, result) = run_cli(
+        fs,
+        &mut console,
+        Args::from(
+            [
+                "lint",
+                "--reporter=json-pretty",
+                file_path1.as_str(),
+                file_path2.as_str(),
+            ]
+            .as_slice(),
+        ),
+    );
+
+    assert!(result.is_err(), "run_cli returned {result:?}");
+
+    assert_cli_snapshot(SnapshotPayload::new(
+        module_path!(),
+        "reports_diagnostics_json_lint_command",
+        fs,
+        console,
+        result,
+    ));
+}
+
+#[test]
+fn reports_diagnostics_json_format_command() {
+    let fs = MemoryFileSystem::default();
+    let mut console = BufferConsole::default();
+
+    let file_path1 = Utf8Path::new("main.ts");
+    fs.insert(file_path1.into(), MAIN_1.as_bytes());
+
+    let file_path2 = Utf8Path::new("index.ts");
+    fs.insert(file_path2.into(), MAIN_2.as_bytes());
+
+    let (fs, result) = run_cli(
+        fs,
+        &mut console,
+        Args::from(
+            [
+                "format",
+                "--reporter=json-pretty",
+                file_path1.as_str(),
+                file_path2.as_str(),
+            ]
+            .as_slice(),
+        ),
+    );
+
+    assert!(result.is_err(), "run_cli returned {result:?}");
+
+    assert_cli_snapshot(SnapshotPayload::new(
+        module_path!(),
+        "reports_diagnostics_json_format_command",
+        fs,
+        console,
+        result,
+    ));
+}
+
+#[test]
+fn reports_diagnostics_json_check_command_file() {
+    let fs = MemoryFileSystem::default();
+    let mut console = BufferConsole::default();
+
+    let file_path1 = Utf8Path::new("main.ts");
+    fs.insert(file_path1.into(), MAIN_1.as_bytes());
+
+    let file_path2 = Utf8Path::new("index.ts");
+    fs.insert(file_path2.into(), MAIN_2.as_bytes());
+
+    let (fs, result) = run_cli(
+        fs,
+        &mut console,
+        Args::from(
+            [
+                "check",
+                "--reporter=json-pretty",
+                "--reporter-file=file.json",
+                file_path1.as_str(),
+                file_path2.as_str(),
+            ]
+            .as_slice(),
+        ),
+    );
+
+    assert!(result.is_err(), "run_cli returned {result:?}");
+
+    assert_cli_snapshot(SnapshotPayload::new(
+        module_path!(),
+        "reports_diagnostics_json_check_command_file",
+        fs,
+        console,
+        result,
+    ));
+}
diff --git a/crates/biome_cli/tests/snapshots/main_cases_reporter_json/reports_diagnostics_json_check_command.snap b/crates/biome_cli/tests/snapshots/main_cases_reporter_json/reports_diagnostics_json_check_command.snap
new file mode 100644
index 000000000000..8b0434abd132
--- /dev/null
+++ b/crates/biome_cli/tests/snapshots/main_cases_reporter_json/reports_diagnostics_json_check_command.snap
@@ -0,0 +1,358 @@
+---
+source: crates/biome_cli/tests/snap_test.rs
+expression: redactor(content)
+---
+## `index.ts`
+
+```ts
+import { z} from "z"
+import { z, b , a} from "lodash"
+
+a ==b
+
+debugger
+
+let f;
+		let f;
+```
+
+## `main.ts`
+
+```ts
+import { z} from "z"
+import { z, b , a} from "lodash"
+
+a ==b
+
+debugger
+
+let f;
+		let f;
+```
+
+# Termination Message
+
+```block
+check ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
+
+  × Some errors were emitted while running checks.
+  
+
+
+```
+
+# Emitted Messages
+
+```block
+The --json option is unstable/experimental and its output might change between patches/minor releases.
+```
+
+```block
+{
+	"summary": {
+		"changed": 0,
+		"unchanged": 2,
+		"matches": 0,
+		"duration": "<TIME>",
+		"errors": 16,
+		"warnings": 8,
+		"infos": 0,
+		"skipped": 0,
+		"suggestedFixesSkipped": 0,
+		"diagnosticsNotPrinted": 0,
+		"scannerDuration": "<TIME>"
+	},
+	"diagnostics": [
+		{
+			"severity": "warning",
+			"message": "This import is unused.",
+			"category": "lint/correctness/noUnusedImports",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 1, "column": 8 },
+				"end": { "line": 1, "column": 12 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "warning",
+			"message": "Several of these imports are unused.",
+			"category": "lint/correctness/noUnusedImports",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 2, "column": 10 },
+				"end": { "line": 2, "column": 11 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "warning",
+			"message": "This variable f is unused.",
+			"category": "lint/correctness/noUnusedVariables",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 8, "column": 5 },
+				"end": { "line": 8, "column": 6 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "warning",
+			"message": "This variable f is unused.",
+			"category": "lint/correctness/noUnusedVariables",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 9, "column": 7 },
+				"end": { "line": 9, "column": 8 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "warning",
+			"message": "This import is unused.",
+			"category": "lint/correctness/noUnusedImports",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 1, "column": 8 },
+				"end": { "line": 1, "column": 12 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "warning",
+			"message": "Several of these imports are unused.",
+			"category": "lint/correctness/noUnusedImports",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 2, "column": 10 },
+				"end": { "line": 2, "column": 11 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "warning",
+			"message": "This variable f is unused.",
+			"category": "lint/correctness/noUnusedVariables",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 8, "column": 5 },
+				"end": { "line": 8, "column": 6 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "warning",
+			"message": "This variable f is unused.",
+			"category": "lint/correctness/noUnusedVariables",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 9, "column": 7 },
+				"end": { "line": 9, "column": 8 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "The imports and exports are not sorted.",
+			"category": "assist/source/organizeImports",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 1, "column": 1 },
+				"end": { "line": 1, "column": 21 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "Using == may be unsafe if you are relying on type coercion.",
+			"category": "lint/suspicious/noDoubleEquals",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 4, "column": 3 },
+				"end": { "line": 4, "column": 5 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "This is an unexpected use of the debugger statement.",
+			"category": "lint/suspicious/noDebugger",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 6, "column": 1 },
+				"end": { "line": 6, "column": 9 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "This variable implicitly has the any type.",
+			"category": "lint/suspicious/noImplicitAnyLet",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 8, "column": 5 },
+				"end": { "line": 8, "column": 6 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "This variable implicitly has the any type.",
+			"category": "lint/suspicious/noImplicitAnyLet",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 9, "column": 7 },
+				"end": { "line": 9, "column": 8 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "Shouldn't redeclare 'z'. Consider to delete it or rename it.",
+			"category": "lint/suspicious/noRedeclare",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 2, "column": 10 },
+				"end": { "line": 2, "column": 11 }
+			},
+			"advices": [
+				{
+					"start": { "line": 1, "column": 10 },
+					"end": { "line": 1, "column": 11 },
+					"text": "'z' is defined here:"
+				}
+			]
+		},
+		{
+			"severity": "error",
+			"message": "Shouldn't redeclare 'f'. Consider to delete it or rename it.",
+			"category": "lint/suspicious/noRedeclare",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 9, "column": 7 },
+				"end": { "line": 9, "column": 8 }
+			},
+			"advices": [
+				{
+					"start": { "line": 8, "column": 5 },
+					"end": { "line": 8, "column": 6 },
+					"text": "'f' is defined here:"
+				}
+			]
+		},
+		{
+			"severity": "error",
+			"message": "Formatter would have printed the following content:",
+			"category": "format",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 0, "column": 0 },
+				"end": { "line": 0, "column": 0 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "The imports and exports are not sorted.",
+			"category": "assist/source/organizeImports",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 1, "column": 1 },
+				"end": { "line": 1, "column": 21 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "Using == may be unsafe if you are relying on type coercion.",
+			"category": "lint/suspicious/noDoubleEquals",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 4, "column": 3 },
+				"end": { "line": 4, "column": 5 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "This is an unexpected use of the debugger statement.",
+			"category": "lint/suspicious/noDebugger",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 6, "column": 1 },
+				"end": { "line": 6, "column": 9 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "This variable implicitly has the any type.",
+			"category": "lint/suspicious/noImplicitAnyLet",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 8, "column": 5 },
+				"end": { "line": 8, "column": 6 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "This variable implicitly has the any type.",
+			"category": "lint/suspicious/noImplicitAnyLet",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 9, "column": 7 },
+				"end": { "line": 9, "column": 8 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "Shouldn't redeclare 'z'. Consider to delete it or rename it.",
+			"category": "lint/suspicious/noRedeclare",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 2, "column": 10 },
+				"end": { "line": 2, "column": 11 }
+			},
+			"advices": [
+				{
+					"start": { "line": 1, "column": 10 },
+					"end": { "line": 1, "column": 11 },
+					"text": "'z' is defined here:"
+				}
+			]
+		},
+		{
+			"severity": "error",
+			"message": "Shouldn't redeclare 'f'. Consider to delete it or rename it.",
+			"category": "lint/suspicious/noRedeclare",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 9, "column": 7 },
+				"end": { "line": 9, "column": 8 }
+			},
+			"advices": [
+				{
+					"start": { "line": 8, "column": 5 },
+					"end": { "line": 8, "column": 6 },
+					"text": "'f' is defined here:"
+				}
+			]
+		},
+		{
+			"severity": "error",
+			"message": "Formatter would have printed the following content:",
+			"category": "format",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 0, "column": 0 },
+				"end": { "line": 0, "column": 0 }
+			},
+			"advices": []
+		}
+	],
+	"command": "check"
+}
+
+```
diff --git a/crates/biome_cli/tests/snapshots/main_cases_reporter_json/reports_diagnostics_json_check_command_file.snap b/crates/biome_cli/tests/snapshots/main_cases_reporter_json/reports_diagnostics_json_check_command_file.snap
new file mode 100644
index 000000000000..d2340ef9e38d
--- /dev/null
+++ b/crates/biome_cli/tests/snapshots/main_cases_reporter_json/reports_diagnostics_json_check_command_file.snap
@@ -0,0 +1,364 @@
+---
+source: crates/biome_cli/tests/snap_test.rs
+expression: redactor(content)
+---
+## `file.json`
+
+```json
+
+```
+
+## `index.ts`
+
+```ts
+import { z} from "z"
+import { z, b , a} from "lodash"
+
+a ==b
+
+debugger
+
+let f;
+		let f;
+```
+
+## `main.ts`
+
+```ts
+import { z} from "z"
+import { z, b , a} from "lodash"
+
+a ==b
+
+debugger
+
+let f;
+		let f;
+```
+
+# Termination Message
+
+```block
+check ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
+
+  × Some errors were emitted while running checks.
+  
+
+
+```
+
+# Emitted Messages
+
+```block
+The --json option is unstable/experimental and its output might change between patches/minor releases.
+```
+
+```block
+{
+	"summary": {
+		"changed": 0,
+		"unchanged": 2,
+		"matches": 0,
+		"duration": "<TIME>",
+		"errors": 16,
+		"warnings": 8,
+		"infos": 0,
+		"skipped": 0,
+		"suggestedFixesSkipped": 0,
+		"diagnosticsNotPrinted": 0,
+		"scannerDuration": "<TIME>"
+	},
+	"diagnostics": [
+		{
+			"severity": "warning",
+			"message": "This import is unused.",
+			"category": "lint/correctness/noUnusedImports",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 1, "column": 8 },
+				"end": { "line": 1, "column": 12 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "warning",
+			"message": "Several of these imports are unused.",
+			"category": "lint/correctness/noUnusedImports",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 2, "column": 10 },
+				"end": { "line": 2, "column": 11 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "warning",
+			"message": "This variable f is unused.",
+			"category": "lint/correctness/noUnusedVariables",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 8, "column": 5 },
+				"end": { "line": 8, "column": 6 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "warning",
+			"message": "This variable f is unused.",
+			"category": "lint/correctness/noUnusedVariables",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 9, "column": 7 },
+				"end": { "line": 9, "column": 8 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "warning",
+			"message": "This import is unused.",
+			"category": "lint/correctness/noUnusedImports",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 1, "column": 8 },
+				"end": { "line": 1, "column": 12 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "warning",
+			"message": "Several of these imports are unused.",
+			"category": "lint/correctness/noUnusedImports",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 2, "column": 10 },
+				"end": { "line": 2, "column": 11 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "warning",
+			"message": "This variable f is unused.",
+			"category": "lint/correctness/noUnusedVariables",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 8, "column": 5 },
+				"end": { "line": 8, "column": 6 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "warning",
+			"message": "This variable f is unused.",
+			"category": "lint/correctness/noUnusedVariables",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 9, "column": 7 },
+				"end": { "line": 9, "column": 8 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "The imports and exports are not sorted.",
+			"category": "assist/source/organizeImports",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 1, "column": 1 },
+				"end": { "line": 1, "column": 21 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "Using == may be unsafe if you are relying on type coercion.",
+			"category": "lint/suspicious/noDoubleEquals",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 4, "column": 3 },
+				"end": { "line": 4, "column": 5 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "This is an unexpected use of the debugger statement.",
+			"category": "lint/suspicious/noDebugger",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 6, "column": 1 },
+				"end": { "line": 6, "column": 9 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "This variable implicitly has the any type.",
+			"category": "lint/suspicious/noImplicitAnyLet",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 8, "column": 5 },
+				"end": { "line": 8, "column": 6 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "This variable implicitly has the any type.",
+			"category": "lint/suspicious/noImplicitAnyLet",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 9, "column": 7 },
+				"end": { "line": 9, "column": 8 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "Shouldn't redeclare 'z'. Consider to delete it or rename it.",
+			"category": "lint/suspicious/noRedeclare",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 2, "column": 10 },
+				"end": { "line": 2, "column": 11 }
+			},
+			"advices": [
+				{
+					"start": { "line": 1, "column": 10 },
+					"end": { "line": 1, "column": 11 },
+					"text": "'z' is defined here:"
+				}
+			]
+		},
+		{
+			"severity": "error",
+			"message": "Shouldn't redeclare 'f'. Consider to delete it or rename it.",
+			"category": "lint/suspicious/noRedeclare",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 9, "column": 7 },
+				"end": { "line": 9, "column": 8 }
+			},
+			"advices": [
+				{
+					"start": { "line": 8, "column": 5 },
+					"end": { "line": 8, "column": 6 },
+					"text": "'f' is defined here:"
+				}
+			]
+		},
+		{
+			"severity": "error",
+			"message": "Formatter would have printed the following content:",
+			"category": "format",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 0, "column": 0 },
+				"end": { "line": 0, "column": 0 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "The imports and exports are not sorted.",
+			"category": "assist/source/organizeImports",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 1, "column": 1 },
+				"end": { "line": 1, "column": 21 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "Using == may be unsafe if you are relying on type coercion.",
+			"category": "lint/suspicious/noDoubleEquals",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 4, "column": 3 },
+				"end": { "line": 4, "column": 5 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "This is an unexpected use of the debugger statement.",
+			"category": "lint/suspicious/noDebugger",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 6, "column": 1 },
+				"end": { "line": 6, "column": 9 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "This variable implicitly has the any type.",
+			"category": "lint/suspicious/noImplicitAnyLet",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 8, "column": 5 },
+				"end": { "line": 8, "column": 6 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "This variable implicitly has the any type.",
+			"category": "lint/suspicious/noImplicitAnyLet",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 9, "column": 7 },
+				"end": { "line": 9, "column": 8 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "Shouldn't redeclare 'z'. Consider to delete it or rename it.",
+			"category": "lint/suspicious/noRedeclare",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 2, "column": 10 },
+				"end": { "line": 2, "column": 11 }
+			},
+			"advices": [
+				{
+					"start": { "line": 1, "column": 10 },
+					"end": { "line": 1, "column": 11 },
+					"text": "'z' is defined here:"
+				}
+			]
+		},
+		{
+			"severity": "error",
+			"message": "Shouldn't redeclare 'f'. Consider to delete it or rename it.",
+			"category": "lint/suspicious/noRedeclare",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 9, "column": 7 },
+				"end": { "line": 9, "column": 8 }
+			},
+			"advices": [
+				{
+					"start": { "line": 8, "column": 5 },
+					"end": { "line": 8, "column": 6 },
+					"text": "'f' is defined here:"
+				}
+			]
+		},
+		{
+			"severity": "error",
+			"message": "Formatter would have printed the following content:",
+			"category": "format",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 0, "column": 0 },
+				"end": { "line": 0, "column": 0 }
+			},
+			"advices": []
+		}
+	],
+	"command": "check"
+}
+
+```
diff --git a/crates/biome_cli/tests/snapshots/main_cases_reporter_json/reports_diagnostics_json_ci_command.snap b/crates/biome_cli/tests/snapshots/main_cases_reporter_json/reports_diagnostics_json_ci_command.snap
new file mode 100644
index 000000000000..669560bc5089
--- /dev/null
+++ b/crates/biome_cli/tests/snapshots/main_cases_reporter_json/reports_diagnostics_json_ci_command.snap
@@ -0,0 +1,358 @@
+---
+source: crates/biome_cli/tests/snap_test.rs
+expression: redactor(content)
+---
+## `index.ts`
+
+```ts
+import { z} from "z"
+import { z, b , a} from "lodash"
+
+a ==b
+
+debugger
+
+let f;
+		let f;
+```
+
+## `main.ts`
+
+```ts
+import { z} from "z"
+import { z, b , a} from "lodash"
+
+a ==b
+
+debugger
+
+let f;
+		let f;
+```
+
+# Termination Message
+
+```block
+ci ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
+
+  × Some errors were emitted while running checks.
+  
+
+
+```
+
+# Emitted Messages
+
+```block
+The --json option is unstable/experimental and its output might change between patches/minor releases.
+```
+
+```block
+{
+	"summary": {
+		"changed": 0,
+		"unchanged": 2,
+		"matches": 0,
+		"duration": "<TIME>",
+		"errors": 16,
+		"warnings": 8,
+		"infos": 0,
+		"skipped": 0,
+		"suggestedFixesSkipped": 0,
+		"diagnosticsNotPrinted": 0,
+		"scannerDuration": "<TIME>"
+	},
+	"diagnostics": [
+		{
+			"severity": "warning",
+			"message": "This import is unused.",
+			"category": "lint/correctness/noUnusedImports",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 1, "column": 8 },
+				"end": { "line": 1, "column": 12 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "warning",
+			"message": "Several of these imports are unused.",
+			"category": "lint/correctness/noUnusedImports",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 2, "column": 10 },
+				"end": { "line": 2, "column": 11 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "warning",
+			"message": "This variable f is unused.",
+			"category": "lint/correctness/noUnusedVariables",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 8, "column": 5 },
+				"end": { "line": 8, "column": 6 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "warning",
+			"message": "This variable f is unused.",
+			"category": "lint/correctness/noUnusedVariables",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 9, "column": 7 },
+				"end": { "line": 9, "column": 8 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "warning",
+			"message": "This import is unused.",
+			"category": "lint/correctness/noUnusedImports",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 1, "column": 8 },
+				"end": { "line": 1, "column": 12 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "warning",
+			"message": "Several of these imports are unused.",
+			"category": "lint/correctness/noUnusedImports",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 2, "column": 10 },
+				"end": { "line": 2, "column": 11 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "warning",
+			"message": "This variable f is unused.",
+			"category": "lint/correctness/noUnusedVariables",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 8, "column": 5 },
+				"end": { "line": 8, "column": 6 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "warning",
+			"message": "This variable f is unused.",
+			"category": "lint/correctness/noUnusedVariables",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 9, "column": 7 },
+				"end": { "line": 9, "column": 8 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "The imports and exports are not sorted.",
+			"category": "assist/source/organizeImports",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 1, "column": 1 },
+				"end": { "line": 1, "column": 21 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "Using == may be unsafe if you are relying on type coercion.",
+			"category": "lint/suspicious/noDoubleEquals",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 4, "column": 3 },
+				"end": { "line": 4, "column": 5 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "This is an unexpected use of the debugger statement.",
+			"category": "lint/suspicious/noDebugger",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 6, "column": 1 },
+				"end": { "line": 6, "column": 9 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "This variable implicitly has the any type.",
+			"category": "lint/suspicious/noImplicitAnyLet",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 8, "column": 5 },
+				"end": { "line": 8, "column": 6 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "This variable implicitly has the any type.",
+			"category": "lint/suspicious/noImplicitAnyLet",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 9, "column": 7 },
+				"end": { "line": 9, "column": 8 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "Shouldn't redeclare 'z'. Consider to delete it or rename it.",
+			"category": "lint/suspicious/noRedeclare",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 2, "column": 10 },
+				"end": { "line": 2, "column": 11 }
+			},
+			"advices": [
+				{
+					"start": { "line": 1, "column": 10 },
+					"end": { "line": 1, "column": 11 },
+					"text": "'z' is defined here:"
+				}
+			]
+		},
+		{
+			"severity": "error",
+			"message": "Shouldn't redeclare 'f'. Consider to delete it or rename it.",
+			"category": "lint/suspicious/noRedeclare",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 9, "column": 7 },
+				"end": { "line": 9, "column": 8 }
+			},
+			"advices": [
+				{
+					"start": { "line": 8, "column": 5 },
+					"end": { "line": 8, "column": 6 },
+					"text": "'f' is defined here:"
+				}
+			]
+		},
+		{
+			"severity": "error",
+			"message": "File content differs from formatting output",
+			"category": "format",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 0, "column": 0 },
+				"end": { "line": 0, "column": 0 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "The imports and exports are not sorted.",
+			"category": "assist/source/organizeImports",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 1, "column": 1 },
+				"end": { "line": 1, "column": 21 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "Using == may be unsafe if you are relying on type coercion.",
+			"category": "lint/suspicious/noDoubleEquals",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 4, "column": 3 },
+				"end": { "line": 4, "column": 5 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "This is an unexpected use of the debugger statement.",
+			"category": "lint/suspicious/noDebugger",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 6, "column": 1 },
+				"end": { "line": 6, "column": 9 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "This variable implicitly has the any type.",
+			"category": "lint/suspicious/noImplicitAnyLet",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 8, "column": 5 },
+				"end": { "line": 8, "column": 6 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "This variable implicitly has the any type.",
+			"category": "lint/suspicious/noImplicitAnyLet",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 9, "column": 7 },
+				"end": { "line": 9, "column": 8 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "Shouldn't redeclare 'z'. Consider to delete it or rename it.",
+			"category": "lint/suspicious/noRedeclare",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 2, "column": 10 },
+				"end": { "line": 2, "column": 11 }
+			},
+			"advices": [
+				{
+					"start": { "line": 1, "column": 10 },
+					"end": { "line": 1, "column": 11 },
+					"text": "'z' is defined here:"
+				}
+			]
+		},
+		{
+			"severity": "error",
+			"message": "Shouldn't redeclare 'f'. Consider to delete it or rename it.",
+			"category": "lint/suspicious/noRedeclare",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 9, "column": 7 },
+				"end": { "line": 9, "column": 8 }
+			},
+			"advices": [
+				{
+					"start": { "line": 8, "column": 5 },
+					"end": { "line": 8, "column": 6 },
+					"text": "'f' is defined here:"
+				}
+			]
+		},
+		{
+			"severity": "error",
+			"message": "File content differs from formatting output",
+			"category": "format",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 0, "column": 0 },
+				"end": { "line": 0, "column": 0 }
+			},
+			"advices": []
+		}
+	],
+	"command": "ci"
+}
+
+```
diff --git a/crates/biome_cli/tests/snapshots/main_cases_reporter_json/reports_diagnostics_json_format_command.snap b/crates/biome_cli/tests/snapshots/main_cases_reporter_json/reports_diagnostics_json_format_command.snap
new file mode 100644
index 000000000000..9abda2b91ef2
--- /dev/null
+++ b/crates/biome_cli/tests/snapshots/main_cases_reporter_json/reports_diagnostics_json_format_command.snap
@@ -0,0 +1,92 @@
+---
+source: crates/biome_cli/tests/snap_test.rs
+expression: redactor(content)
+---
+## `index.ts`
+
+```ts
+import { z} from "z"
+import { z, b , a} from "lodash"
+
+a ==b
+
+debugger
+
+let f;
+		let f;
+```
+
+## `main.ts`
+
+```ts
+import { z} from "z"
+import { z, b , a} from "lodash"
+
+a ==b
+
+debugger
+
+let f;
+		let f;
+```
+
+# Termination Message
+
+```block
+format ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
+
+  × Some errors were emitted while running checks.
+  
+
+
+```
+
+# Emitted Messages
+
+```block
+The --json option is unstable/experimental and its output might change between patches/minor releases.
+```
+
+```block
+{
+	"summary": {
+		"changed": 0,
+		"unchanged": 2,
+		"matches": 0,
+		"duration": "<TIME>",
+		"errors": 2,
+		"warnings": 0,
+		"infos": 0,
+		"skipped": 0,
+		"suggestedFixesSkipped": 0,
+		"diagnosticsNotPrinted": 0,
+		"scannerDuration": "<TIME>"
+	},
+	"diagnostics": [
+		{
+			"severity": "error",
+			"message": "Formatter would have printed the following content:",
+			"category": "format",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 0, "column": 0 },
+				"end": { "line": 0, "column": 0 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "Formatter would have printed the following content:",
+			"category": "format",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 0, "column": 0 },
+				"end": { "line": 0, "column": 0 }
+			},
+			"advices": []
+		}
+	],
+	"command": "format"
+}
+
+```
diff --git a/crates/biome_cli/tests/snapshots/main_cases_reporter_json/reports_diagnostics_json_lint_command.snap b/crates/biome_cli/tests/snapshots/main_cases_reporter_json/reports_diagnostics_json_lint_command.snap
new file mode 100644
index 000000000000..539fc1ea2070
--- /dev/null
+++ b/crates/biome_cli/tests/snapshots/main_cases_reporter_json/reports_diagnostics_json_lint_command.snap
@@ -0,0 +1,314 @@
+---
+source: crates/biome_cli/tests/snap_test.rs
+expression: redactor(content)
+---
+## `index.ts`
+
+```ts
+import { z} from "z"
+import { z, b , a} from "lodash"
+
+a ==b
+
+debugger
+
+let f;
+		let f;
+```
+
+## `main.ts`
+
+```ts
+import { z} from "z"
+import { z, b , a} from "lodash"
+
+a ==b
+
+debugger
+
+let f;
+		let f;
+```
+
+# Termination Message
+
+```block
+lint ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
+
+  × Some errors were emitted while running checks.
+  
+
+
+```
+
+# Emitted Messages
+
+```block
+The --json option is unstable/experimental and its output might change between patches/minor releases.
+```
+
+```block
+{
+	"summary": {
+		"changed": 0,
+		"unchanged": 2,
+		"matches": 0,
+		"duration": "<TIME>",
+		"errors": 12,
+		"warnings": 8,
+		"infos": 0,
+		"skipped": 0,
+		"suggestedFixesSkipped": 0,
+		"diagnosticsNotPrinted": 0,
+		"scannerDuration": "<TIME>"
+	},
+	"diagnostics": [
+		{
+			"severity": "warning",
+			"message": "This import is unused.",
+			"category": "lint/correctness/noUnusedImports",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 1, "column": 8 },
+				"end": { "line": 1, "column": 12 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "warning",
+			"message": "Several of these imports are unused.",
+			"category": "lint/correctness/noUnusedImports",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 2, "column": 10 },
+				"end": { "line": 2, "column": 11 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "warning",
+			"message": "This variable f is unused.",
+			"category": "lint/correctness/noUnusedVariables",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 8, "column": 5 },
+				"end": { "line": 8, "column": 6 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "warning",
+			"message": "This variable f is unused.",
+			"category": "lint/correctness/noUnusedVariables",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 9, "column": 7 },
+				"end": { "line": 9, "column": 8 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "warning",
+			"message": "This import is unused.",
+			"category": "lint/correctness/noUnusedImports",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 1, "column": 8 },
+				"end": { "line": 1, "column": 12 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "warning",
+			"message": "Several of these imports are unused.",
+			"category": "lint/correctness/noUnusedImports",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 2, "column": 10 },
+				"end": { "line": 2, "column": 11 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "warning",
+			"message": "This variable f is unused.",
+			"category": "lint/correctness/noUnusedVariables",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 8, "column": 5 },
+				"end": { "line": 8, "column": 6 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "warning",
+			"message": "This variable f is unused.",
+			"category": "lint/correctness/noUnusedVariables",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 9, "column": 7 },
+				"end": { "line": 9, "column": 8 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "Using == may be unsafe if you are relying on type coercion.",
+			"category": "lint/suspicious/noDoubleEquals",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 4, "column": 3 },
+				"end": { "line": 4, "column": 5 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "This is an unexpected use of the debugger statement.",
+			"category": "lint/suspicious/noDebugger",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 6, "column": 1 },
+				"end": { "line": 6, "column": 9 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "This variable implicitly has the any type.",
+			"category": "lint/suspicious/noImplicitAnyLet",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 8, "column": 5 },
+				"end": { "line": 8, "column": 6 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "This variable implicitly has the any type.",
+			"category": "lint/suspicious/noImplicitAnyLet",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 9, "column": 7 },
+				"end": { "line": 9, "column": 8 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "Shouldn't redeclare 'z'. Consider to delete it or rename it.",
+			"category": "lint/suspicious/noRedeclare",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 2, "column": 10 },
+				"end": { "line": 2, "column": 11 }
+			},
+			"advices": [
+				{
+					"start": { "line": 1, "column": 10 },
+					"end": { "line": 1, "column": 11 },
+					"text": "'z' is defined here:"
+				}
+			]
+		},
+		{
+			"severity": "error",
+			"message": "Shouldn't redeclare 'f'. Consider to delete it or rename it.",
+			"category": "lint/suspicious/noRedeclare",
+			"location": {
+				"path": "index.ts",
+				"start": { "line": 9, "column": 7 },
+				"end": { "line": 9, "column": 8 }
+			},
+			"advices": [
+				{
+					"start": { "line": 8, "column": 5 },
+					"end": { "line": 8, "column": 6 },
+					"text": "'f' is defined here:"
+				}
+			]
+		},
+		{
+			"severity": "error",
+			"message": "Using == may be unsafe if you are relying on type coercion.",
+			"category": "lint/suspicious/noDoubleEquals",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 4, "column": 3 },
+				"end": { "line": 4, "column": 5 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "This is an unexpected use of the debugger statement.",
+			"category": "lint/suspicious/noDebugger",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 6, "column": 1 },
+				"end": { "line": 6, "column": 9 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "This variable implicitly has the any type.",
+			"category": "lint/suspicious/noImplicitAnyLet",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 8, "column": 5 },
+				"end": { "line": 8, "column": 6 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "This variable implicitly has the any type.",
+			"category": "lint/suspicious/noImplicitAnyLet",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 9, "column": 7 },
+				"end": { "line": 9, "column": 8 }
+			},
+			"advices": []
+		},
+		{
+			"severity": "error",
+			"message": "Shouldn't redeclare 'z'. Consider to delete it or rename it.",
+			"category": "lint/suspicious/noRedeclare",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 2, "column": 10 },
+				"end": { "line": 2, "column": 11 }
+			},
+			"advices": [
+				{
+					"start": { "line": 1, "column": 10 },
+					"end": { "line": 1, "column": 11 },
+					"text": "'z' is defined here:"
+				}
+			]
+		},
+		{
+			"severity": "error",
+			"message": "Shouldn't redeclare 'f'. Consider to delete it or rename it.",
+			"category": "lint/suspicious/noRedeclare",
+			"location": {
+				"path": "main.ts",
+				"start": { "line": 9, "column": 7 },
+				"end": { "line": 9, "column": 8 }
+			},
+			"advices": [
+				{
+					"start": { "line": 8, "column": 5 },
+					"end": { "line": 8, "column": 6 },
+					"text": "'f' is defined here:"
+				}
+			]
+		}
+	],
+	"command": "lint"
+}
+
+```
diff --git a/crates/biome_cli/tests/snapshots/main_commands_check/print_json.snap b/crates/biome_cli/tests/snapshots/main_commands_check/print_json.snap
index 7eac323b61a9..17944b9b50f1 100644
--- a/crates/biome_cli/tests/snapshots/main_commands_check/print_json.snap
+++ b/crates/biome_cli/tests/snapshots/main_commands_check/print_json.snap
@@ -17,5 +17,5 @@ The --json option is unstable/experimental and its output might change between p
 ```
 
 ```block
-{"summary":{"changed":1,"unchanged":0,"matches":0,"errors":0,"warnings":0,"infos":0,"skipped":0,"suggestedFixesSkipped":0,"diagnosticsNotPrinted":0},"diagnostics":[],"command":"check"}
+{"summary":{"changed":1,"unchanged":0,"matches":0,"duration":"<TIME>","errors":0,"warnings":0,"infos":0,"skipped":0,"suggestedFixesSkipped":0,"diagnosticsNotPrinted":0,"scannerDuration":"<TIME>"},"diagnostics":[],"command":"check"}
 ```
diff --git a/crates/biome_cli/tests/snapshots/main_commands_check/print_json_pretty.snap b/crates/biome_cli/tests/snapshots/main_commands_check/print_json_pretty.snap
index 57520284fa41..5d7489799c20 100644
--- a/crates/biome_cli/tests/snapshots/main_commands_check/print_json_pretty.snap
+++ b/crates/biome_cli/tests/snapshots/main_commands_check/print_json_pretty.snap
@@ -22,12 +22,14 @@ The --json option is unstable/experimental and its output might change between p
 		"changed": 1,
 		"unchanged": 0,
 		"matches": 0,
+		"duration": "<TIME>",
 		"errors": 0,
 		"warnings": 0,
 		"infos": 0,
 		"skipped": 0,
 		"suggestedFixesSkipped": 0,
-		"diagnosticsNotPrinted": 0
+		"diagnosticsNotPrinted": 0,
+		"scannerDuration": "<TIME>"
 	},
 	"diagnostics": [],
 	"command": "check"
diff --git a/crates/biome_cli/tests/snapshots/main_commands_format/print_json.snap b/crates/biome_cli/tests/snapshots/main_commands_format/print_json.snap
index 4cbf70a1f05a..9eebbe83315d 100644
--- a/crates/biome_cli/tests/snapshots/main_commands_format/print_json.snap
+++ b/crates/biome_cli/tests/snapshots/main_commands_format/print_json.snap
@@ -26,5 +26,5 @@ The --json option is unstable/experimental and its output might change between p
 ```
 
 ```block
-{"summary":{"changed":0,"unchanged":1,"matches":0,"errors":1,"warnings":0,"infos":0,"skipped":0,"suggestedFixesSkipped":0,"diagnosticsNotPrinted":0},"diagnostics":[{"severity":"error","message":"Formatter would have printed the following content:","category":"format","location":{"path":"format.js","start":{"line":0,"column":0},"end":{"line":0,"column":0}},"advices":[]}],"command":"format"}
+{"summary":{"changed":0,"unchanged":1,"matches":0,"duration":"<TIME>","errors":1,"warnings":0,"infos":0,"skipped":0,"suggestedFixesSkipped":0,"diagnosticsNotPrinted":0,"scannerDuration":"<TIME>"},"diagnostics":[{"severity":"error","message":"Formatter would have printed the following content:","category":"format","location":{"path":"format.js","start":{"line":0,"column":0},"end":{"line":0,"column":0}},"advices":[]}],"command":"format"}
 ```
diff --git a/crates/biome_cli/tests/snapshots/main_commands_format/print_json_pretty.snap b/crates/biome_cli/tests/snapshots/main_commands_format/print_json_pretty.snap
index ea937d2e5fd7..1aef41a27361 100644
--- a/crates/biome_cli/tests/snapshots/main_commands_format/print_json_pretty.snap
+++ b/crates/biome_cli/tests/snapshots/main_commands_format/print_json_pretty.snap
@@ -31,12 +31,14 @@ The --json option is unstable/experimental and its output might change between p
 		"changed": 0,
 		"unchanged": 1,
 		"matches": 0,
+		"duration": "<TIME>",
 		"errors": 1,
 		"warnings": 0,
 		"infos": 0,
 		"skipped": 0,
 		"suggestedFixesSkipped": 0,
-		"diagnosticsNotPrinted": 0
+		"diagnosticsNotPrinted": 0,
+		"scannerDuration": "<TIME>"
 	},
 	"diagnostics": [
 		{