diff --git a/.forgejo/workflows/lint.yml b/.forgejo/workflows/lint.yml
new file mode 100644
index 000000000..a376cb4f7
--- /dev/null
+++ b/.forgejo/workflows/lint.yml
@@ -0,0 +1,83 @@
+name: Lint
+
+on:
+  push:
+    branches:
+      - master
+      - develop
+    paths:
+      - packages/**
+  pull_request:
+
+jobs:
+  pnpm_install:
+    runs-on: docker
+    steps:
+    - uses: actions/checkout@v4.1.1
+      with:
+        fetch-depth: 0
+        submodules: true
+    - uses: https://github.com/pnpm/action-setup@v2
+      with:
+        version: 8
+        run_install: false
+    - uses: https://code.forgejo.org/actions/setup-node@v4
+      with:
+        node-version-file: '.node-version'
+        cache: 'pnpm'
+    - run: corepack enable
+    - run: pnpm i --frozen-lockfile
+
+  lint:
+    needs: [pnpm_install]
+    runs-on: docker
+    continue-on-error: true
+    strategy:
+      matrix:
+        workspace:
+        - backend
+        - frontend
+        - sw
+        - misskey-js
+    steps:
+    - uses: actions/checkout@v4.1.1
+      with:
+        fetch-depth: 0
+        submodules: true
+    - uses: https://github.com/pnpm/action-setup@v2
+      with:
+        version: 7
+        run_install: false
+    - uses: https://code.forgejo.org/actions/setup-node@v4
+      with:
+        node-version-file: '.node-version'
+		cache: 'pnpm'
+    - run: corepack enable
+    - run: pnpm i --frozen-lockfile
+    - run: pnpm --filter ${{ matrix.workspace }} run eslint
+
+  typecheck:
+    needs: [pnpm_install]
+    runs-on: docker
+    continue-on-error: true
+    strategy:
+      matrix:
+        workspace:
+        - backend
+        - misskey-js
+    steps:
+    - uses: actions/checkout@v4.1.1
+      with:
+        fetch-depth: 0
+        submodules: true
+    - uses: https://github.com/pnpm/action-setup@v2
+      with:
+        version: 7
+        run_install: false
+    - uses: https://code.forgejo.org/actions/setup-node@v4
+      with:
+        node-version-file: '.node-version'
+		cache: 'pnpm'
+    - run: corepack enable
+    - run: pnpm i --frozen-lockfile
+    - run: pnpm --filter ${{ matrix.workspace }} run typecheck