diff --git a/lefthook.yml b/lefthook.yml
new file mode 100644
index 00000000..04158edf
--- /dev/null
+++ b/lefthook.yml
@@ -0,0 +1,51 @@
+# lefthook.yml
+# Configuration reference: https://lefthook.dev/configuration/
+
+assert_lefthook_installed: true
+
+output:
+    - meta # Print lefthook version
+    - summary # Print summary block (successful and failed steps)
+    - empty_summary # Print summary heading when there are no steps to run
+    - success # Print successful steps
+    - failure # Print failed steps printing
+    - execution # Print any execution logs (but prints if the execution failed)
+    - execution_out # Print execution output (but still prints failed commands output)
+    - execution_info # Print `EXECUTE > ...` logging
+    - skips # Print "skip" (i.e. no files matched)
+
+pre-push:
+    follow: true
+    parallel: true
+    jobs:
+        - name: 'Lint'
+          run: npx --no-install eslint --fix "{staged_files}"
+          glob:
+              - '*.ts'
+              - '*.js'
+              - '*.tsx'
+              - '*.jsx'
+          stage_fixed: true
+
+        - name: 'Code Formatting'
+          run: npx --no-install prettier --write --ignore-unknown "{staged_files}"
+          stage_fixed: true
+
+        - name: 'Build'
+          run: npm run build
+          stage_fixed: true
+
+        - name: 'Test'
+          run: npm run fetch:spec-types && npx --no-install jest --passWithNoTests "{staged_files}"
+          glob: '*.{ts,js,json}'
+          stage_fixed: true
+
+post-checkout:
+    jobs:
+        - name: 'Install Dependencies'
+          run: npm install
+
+post-merge:
+    jobs:
+        - name: 'Install Dependencies'
+          run: npm install
diff --git a/package-lock.json b/package-lock.json
index f400735f..3e1368e5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -38,6 +38,7 @@
                 "eslint": "^9.8.0",
                 "eslint-config-prettier": "^10.1.8",
                 "jest": "^29.7.0",
+                "lefthook": "^1.13.6",
                 "prettier": "3.6.2",
                 "supertest": "^7.0.0",
                 "ts-jest": "^29.2.4",
@@ -4956,6 +4957,169 @@
                 "node": ">=6"
             }
         },
+        "node_modules/lefthook": {
+            "version": "1.13.6",
+            "resolved": "https://registry.npmjs.org/lefthook/-/lefthook-1.13.6.tgz",
+            "integrity": "sha512-ojj4/4IJ29Xn4drd5emqVgilegAPN3Kf0FQM2p/9+lwSTpU+SZ1v4Ig++NF+9MOa99UKY8bElmVrLhnUUNFh5g==",
+            "dev": true,
+            "hasInstallScript": true,
+            "license": "MIT",
+            "bin": {
+                "lefthook": "bin/index.js"
+            },
+            "optionalDependencies": {
+                "lefthook-darwin-arm64": "1.13.6",
+                "lefthook-darwin-x64": "1.13.6",
+                "lefthook-freebsd-arm64": "1.13.6",
+                "lefthook-freebsd-x64": "1.13.6",
+                "lefthook-linux-arm64": "1.13.6",
+                "lefthook-linux-x64": "1.13.6",
+                "lefthook-openbsd-arm64": "1.13.6",
+                "lefthook-openbsd-x64": "1.13.6",
+                "lefthook-windows-arm64": "1.13.6",
+                "lefthook-windows-x64": "1.13.6"
+            }
+        },
+        "node_modules/lefthook-darwin-arm64": {
+            "version": "1.13.6",
+            "resolved": "https://registry.npmjs.org/lefthook-darwin-arm64/-/lefthook-darwin-arm64-1.13.6.tgz",
+            "integrity": "sha512-m6Lb77VGc84/Qo21Lhq576pEvcgFCnvloEiP02HbAHcIXD0RTLy9u2yAInrixqZeaz13HYtdDaI7OBYAAdVt8A==",
+            "cpu": [
+                "arm64"
+            ],
+            "dev": true,
+            "license": "MIT",
+            "optional": true,
+            "os": [
+                "darwin"
+            ]
+        },
+        "node_modules/lefthook-darwin-x64": {
+            "version": "1.13.6",
+            "resolved": "https://registry.npmjs.org/lefthook-darwin-x64/-/lefthook-darwin-x64-1.13.6.tgz",
+            "integrity": "sha512-CoRpdzanu9RK3oXR1vbEJA5LN7iB+c7hP+sONeQJzoOXuq4PNKVtEaN84Gl1BrVtCNLHWFAvCQaZPPiiXSy8qg==",
+            "cpu": [
+                "x64"
+            ],
+            "dev": true,
+            "license": "MIT",
+            "optional": true,
+            "os": [
+                "darwin"
+            ]
+        },
+        "node_modules/lefthook-freebsd-arm64": {
+            "version": "1.13.6",
+            "resolved": "https://registry.npmjs.org/lefthook-freebsd-arm64/-/lefthook-freebsd-arm64-1.13.6.tgz",
+            "integrity": "sha512-X4A7yfvAJ68CoHTqP+XvQzdKbyd935sYy0bQT6Ajz7FL1g7hFiro8dqHSdPdkwei9hs8hXeV7feyTXbYmfjKQQ==",
+            "cpu": [
+                "arm64"
+            ],
+            "dev": true,
+            "license": "MIT",
+            "optional": true,
+            "os": [
+                "freebsd"
+            ]
+        },
+        "node_modules/lefthook-freebsd-x64": {
+            "version": "1.13.6",
+            "resolved": "https://registry.npmjs.org/lefthook-freebsd-x64/-/lefthook-freebsd-x64-1.13.6.tgz",
+            "integrity": "sha512-ai2m+Sj2kGdY46USfBrCqLKe9GYhzeq01nuyDYCrdGISePeZ6udOlD1k3lQKJGQCHb0bRz4St0r5nKDSh1x/2A==",
+            "cpu": [
+                "x64"
+            ],
+            "dev": true,
+            "license": "MIT",
+            "optional": true,
+            "os": [
+                "freebsd"
+            ]
+        },
+        "node_modules/lefthook-linux-arm64": {
+            "version": "1.13.6",
+            "resolved": "https://registry.npmjs.org/lefthook-linux-arm64/-/lefthook-linux-arm64-1.13.6.tgz",
+            "integrity": "sha512-cbo4Wtdq81GTABvikLORJsAWPKAJXE8Q5RXsICFUVznh5PHigS9dFW/4NXywo0+jfFPCT6SYds2zz4tCx6DA0Q==",
+            "cpu": [
+                "arm64"
+            ],
+            "dev": true,
+            "license": "MIT",
+            "optional": true,
+            "os": [
+                "linux"
+            ]
+        },
+        "node_modules/lefthook-linux-x64": {
+            "version": "1.13.6",
+            "resolved": "https://registry.npmjs.org/lefthook-linux-x64/-/lefthook-linux-x64-1.13.6.tgz",
+            "integrity": "sha512-uJl9vjCIIBTBvMZkemxCE+3zrZHlRO7Oc+nZJ+o9Oea3fu+W82jwX7a7clw8jqNfaeBS+8+ZEQgiMHWCloTsGw==",
+            "cpu": [
+                "x64"
+            ],
+            "dev": true,
+            "license": "MIT",
+            "optional": true,
+            "os": [
+                "linux"
+            ]
+        },
+        "node_modules/lefthook-openbsd-arm64": {
+            "version": "1.13.6",
+            "resolved": "https://registry.npmjs.org/lefthook-openbsd-arm64/-/lefthook-openbsd-arm64-1.13.6.tgz",
+            "integrity": "sha512-7r153dxrNRQ9ytRs2PmGKKkYdvZYFPre7My7XToSTiRu5jNCq++++eAKVkoyWPduk97dGIA+YWiEr5Noe0TK2A==",
+            "cpu": [
+                "arm64"
+            ],
+            "dev": true,
+            "license": "MIT",
+            "optional": true,
+            "os": [
+                "openbsd"
+            ]
+        },
+        "node_modules/lefthook-openbsd-x64": {
+            "version": "1.13.6",
+            "resolved": "https://registry.npmjs.org/lefthook-openbsd-x64/-/lefthook-openbsd-x64-1.13.6.tgz",
+            "integrity": "sha512-Z+UhLlcg1xrXOidK3aLLpgH7KrwNyWYE3yb7ITYnzJSEV8qXnePtVu8lvMBHs/myzemjBzeIr/U/+ipjclR06g==",
+            "cpu": [
+                "x64"
+            ],
+            "dev": true,
+            "license": "MIT",
+            "optional": true,
+            "os": [
+                "openbsd"
+            ]
+        },
+        "node_modules/lefthook-windows-arm64": {
+            "version": "1.13.6",
+            "resolved": "https://registry.npmjs.org/lefthook-windows-arm64/-/lefthook-windows-arm64-1.13.6.tgz",
+            "integrity": "sha512-Uxef6qoDxCmUNQwk8eBvddYJKSBFglfwAY9Y9+NnnmiHpWTjjYiObE9gT2mvGVpEgZRJVAatBXc+Ha5oDD/OgQ==",
+            "cpu": [
+                "arm64"
+            ],
+            "dev": true,
+            "license": "MIT",
+            "optional": true,
+            "os": [
+                "win32"
+            ]
+        },
+        "node_modules/lefthook-windows-x64": {
+            "version": "1.13.6",
+            "resolved": "https://registry.npmjs.org/lefthook-windows-x64/-/lefthook-windows-x64-1.13.6.tgz",
+            "integrity": "sha512-mOZoM3FQh3o08M8PQ/b3IYuL5oo36D9ehczIw1dAgp1Ly+Tr4fJ96A+4SEJrQuYeRD4mex9bR7Ps56I73sBSZA==",
+            "cpu": [
+                "x64"
+            ],
+            "dev": true,
+            "license": "MIT",
+            "optional": true,
+            "os": [
+                "win32"
+            ]
+        },
         "node_modules/leven": {
             "version": "3.1.0",
             "resolved": "https://registry.npmjs.org/leven/-/leven-3.1.0.tgz",
diff --git a/package.json b/package.json
index cda66abe..80434200 100644
--- a/package.json
+++ b/package.json
@@ -57,6 +57,7 @@
         "prepack": "npm run build:esm && npm run build:cjs",
         "lint": "eslint src/ && prettier --check .",
         "lint:fix": "eslint src/ --fix && prettier --write .",
+        "prepare": "npx --no-install lefthook install",
         "test": "npm run fetch:spec-types && jest",
         "start": "npm run server",
         "server": "tsx watch --clear-screen=false src/cli.ts server",
@@ -91,8 +92,9 @@
         "@types/ws": "^8.5.12",
         "eslint": "^9.8.0",
         "eslint-config-prettier": "^10.1.8",
-        "prettier": "3.6.2",
         "jest": "^29.7.0",
+        "lefthook": "^1.13.6",
+        "prettier": "3.6.2",
         "supertest": "^7.0.0",
         "ts-jest": "^29.2.4",
         "tsx": "^4.16.5",