diff --git a/package-lock.json b/package-lock.json
index f77cae3..0b9bb34 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,6 +16,7 @@
       },
       "devDependencies": {
         "@types/node": "^22.10.0",
+        "oxlint": "^1.62.0",
         "tsx": "^4.19.2",
         "typescript": "^6.0.3"
       }
@@ -462,6 +463,329 @@
         "node": ">=18"
       }
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+      "engines": {
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+        "x64"
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+      "license": "MIT",
+      "optional": true,
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+        "freebsd"
+      ],
+      "engines": {
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+      "engines": {
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+        "riscv64"
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+    "node_modules/@oxlint/binding-linux-x64-gnu": {
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+      }
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+    "node_modules/@oxlint/binding-openharmony-arm64": {
+      "version": "1.62.0",
+      "resolved": "https://registry.npmjs.org/@oxlint/binding-openharmony-arm64/-/binding-openharmony-arm64-1.62.0.tgz",
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+      "cpu": [
+        "arm64"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "openharmony"
+      ],
+      "engines": {
+        "node": "^20.19.0 || >=22.12.0"
+      }
+    },
+    "node_modules/@oxlint/binding-win32-arm64-msvc": {
+      "version": "1.62.0",
+      "resolved": "https://registry.npmjs.org/@oxlint/binding-win32-arm64-msvc/-/binding-win32-arm64-msvc-1.62.0.tgz",
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+      "cpu": [
+        "arm64"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "win32"
+      ],
+      "engines": {
+        "node": "^20.19.0 || >=22.12.0"
+      }
+    },
+    "node_modules/@oxlint/binding-win32-ia32-msvc": {
+      "version": "1.62.0",
+      "resolved": "https://registry.npmjs.org/@oxlint/binding-win32-ia32-msvc/-/binding-win32-ia32-msvc-1.62.0.tgz",
+      "integrity": "sha512-IgOFvL73li1bFgab+hThXYA0N2Xms2kV2MvZN95cebV+fmrZ9AVui1JSxfeeqRLo3CpPxKZlzhyq4G0cnaAvIw==",
+      "cpu": [
+        "ia32"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "win32"
+      ],
+      "engines": {
+        "node": "^20.19.0 || >=22.12.0"
+      }
+    },
+    "node_modules/@oxlint/binding-win32-x64-msvc": {
+      "version": "1.62.0",
+      "resolved": "https://registry.npmjs.org/@oxlint/binding-win32-x64-msvc/-/binding-win32-x64-msvc-1.62.0.tgz",
+      "integrity": "sha512-6hMpyDWQ2zGA1OXFKBrdYMUveUCO8UJhkO6JdwZPd78xIdHZNhjx+pib+4fC2Cljuhjyl0QwA2F3df/bs4Bp6A==",
+      "cpu": [
+        "x64"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "win32"
+      ],
+      "engines": {
+        "node": "^20.19.0 || >=22.12.0"
+      }
+    },
     "node_modules/@types/node": {
       "version": "22.19.17",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-22.19.17.tgz",
@@ -542,6 +866,51 @@
         "url": "https://github.com/privatenumber/get-tsconfig?sponsor=1"
       }
     },
+    "node_modules/oxlint": {
+      "version": "1.62.0",
+      "resolved": "https://registry.npmjs.org/oxlint/-/oxlint-1.62.0.tgz",
+      "integrity": "sha512-1uFkg6HakjsGIpW9wNdeW4/2LOHW9MEkoWjZUTUfQtIHyLIZPYt00w3Sg+H3lH+206FgBPHBbW5dVE5l2ExECQ==",
+      "dev": true,
+      "license": "MIT",
+      "bin": {
+        "oxlint": "bin/oxlint"
+      },
+      "engines": {
+        "node": "^20.19.0 || >=22.12.0"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/Boshen"
+      },
+      "optionalDependencies": {
+        "@oxlint/binding-android-arm-eabi": "1.62.0",
+        "@oxlint/binding-android-arm64": "1.62.0",
+        "@oxlint/binding-darwin-arm64": "1.62.0",
+        "@oxlint/binding-darwin-x64": "1.62.0",
+        "@oxlint/binding-freebsd-x64": "1.62.0",
+        "@oxlint/binding-linux-arm-gnueabihf": "1.62.0",
+        "@oxlint/binding-linux-arm-musleabihf": "1.62.0",
+        "@oxlint/binding-linux-arm64-gnu": "1.62.0",
+        "@oxlint/binding-linux-arm64-musl": "1.62.0",
+        "@oxlint/binding-linux-ppc64-gnu": "1.62.0",
+        "@oxlint/binding-linux-riscv64-gnu": "1.62.0",
+        "@oxlint/binding-linux-riscv64-musl": "1.62.0",
+        "@oxlint/binding-linux-s390x-gnu": "1.62.0",
+        "@oxlint/binding-linux-x64-gnu": "1.62.0",
+        "@oxlint/binding-linux-x64-musl": "1.62.0",
+        "@oxlint/binding-openharmony-arm64": "1.62.0",
+        "@oxlint/binding-win32-arm64-msvc": "1.62.0",
+        "@oxlint/binding-win32-ia32-msvc": "1.62.0",
+        "@oxlint/binding-win32-x64-msvc": "1.62.0"
+      },
+      "peerDependencies": {
+        "oxlint-tsgolint": ">=0.18.0"
+      },
+      "peerDependenciesMeta": {
+        "oxlint-tsgolint": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/resolve-pkg-maps": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/resolve-pkg-maps/-/resolve-pkg-maps-1.0.0.tgz",
diff --git a/package.json b/package.json
index c84fdfb..aa8b915 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,9 @@
   "private": true,
   "description": "LSP tools for pi: hover, definition, references, completions, symbols, diagnostics.",
   "pi": {
-    "extensions": ["./index.ts"]
+    "extensions": [
+      "./index.ts"
+    ]
   },
   "type": "module",
   "bin": {
@@ -12,7 +14,8 @@
   },
   "scripts": {
     "lsp": "tsx ./cli.ts",
-    "typecheck": "tsc --noEmit"
+    "typecheck": "tsc --noEmit",
+    "lint": "oxlint . --ignore-pattern=.direnv/**"
   },
   "dependencies": {
     "vscode-jsonrpc": "^8.2.1",
@@ -20,6 +23,7 @@
   },
   "devDependencies": {
     "@types/node": "^22.10.0",
+    "oxlint": "^1.62.0",
     "tsx": "^4.19.2",
     "typescript": "^6.0.3"
   }