diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index b1ad5bc47..4c00c7502 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -79,3 +79,20 @@ repos:
   - id: codespell
     args: ["-L", "sur", "-w"]
     exclude: ^docs/working-examples\.md$  # Autogenerated
+
+
+- repo: https://github.com/python-jsonschema/check-jsonschema
+  rev: 0.27.0
+  hooks:
+    - id: check-dependabot
+    - id: check-github-actions
+    - id: check-github-workflows
+    - id: check-gitlab-ci
+    - id: check-readthedocs
+    - id: check-travis
+    - id: check-jsonschema
+      name: Check projects
+      args: [--schemafile, docs/data/projects.schema.json]
+      files: '^docs/data/projects.yml$'
+    - id: check-metaschema
+      files: '^docs/data/projects.schema.json$'
diff --git a/docs/data/projects.schema.json b/docs/data/projects.schema.json
new file mode 100644
index 000000000..ba12ccb9e
--- /dev/null
+++ b/docs/data/projects.schema.json
@@ -0,0 +1,37 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "https://github.com/pypa/cibuildwheel/blob/main/cibuildwheel/docs/data/projects.schema.json",
+  "type": "array",
+  "description": "The projects file for cibuildwheel",
+  "items": {
+    "type": "object",
+    "additionalProperties": false,
+    "properties": {
+      "name": { "type": "string" },
+      "gh": { "type": "string", "pattern": "[^/]*/[^/]*" },
+      "stars": { "$ref": "#/items/properties/gh" },
+      "pypi": { "type": "string" },
+      "notes": { "type": "string" },
+      "ci": {
+        "type": "array",
+        "items": {
+          "enum": [
+            "github",
+            "travisci",
+            "appveyor",
+            "circleci",
+            "gitlab",
+            "cirrusci",
+            "azurepipelines"
+          ]
+        }
+      },
+      "ci_config": { "type": "string" },
+      "os": {
+        "type": "array",
+        "items": { "enum": ["windows", "apple", "linux"] }
+      }
+    },
+    "required": ["name", "gh", "ci", "os"]
+  }
+}
diff --git a/docs/data/projects.yml b/docs/data/projects.yml
index df0e85e4b..6dc23b87b 100644
--- a/docs/data/projects.yml
+++ b/docs/data/projects.yml
@@ -603,13 +603,13 @@
   gh: tensorchord/envd
   ci: [github]
   os: [apple, linux, windows]
-  note: A machine learning development environment build tool
+  notes: A machine learning development environment build tool
 
 - name: mosec
   gh: mosecorg/mosec
   ci: [github]
   os: [linux, apple]
-  note: A machine learning model serving framework powered by Rust
+  notes: A machine learning model serving framework powered by Rust
 
 - name: ril
   gh: Cryptex-github/ril-py