diff --git a/.forgejo/workflows/lint.yml b/.forgejo/workflows/lint.yml
new file mode 100644
index 0000000000..90eb268dda
--- /dev/null
+++ b/.forgejo/workflows/lint.yml
@@ -0,0 +1,111 @@
+name: Lint
+
+on:
+  push:
+    branches:
+      - master
+      - develop
+    paths:
+      - packages/backend/**
+      - packages/frontend/**
+      - packages/frontend-shared/**
+      - packages/frontend-embed/**
+      - packages/sw/**
+      - packages/misskey-js/**
+      - packages/misskey-bubble-game/**
+      - packages/misskey-reversi/**
+      - packages/shared/eslint.config.js
+      - .github/workflows/lint.yml
+  pull_request:
+    paths:
+      - packages/backend/**
+      - packages/frontend/**
+      - packages/frontend-shared/**
+      - packages/frontend-embed/**
+      - packages/sw/**
+      - packages/misskey-js/**
+      - packages/misskey-bubble-game/**
+      - packages/misskey-reversi/**
+      - packages/shared/eslint.config.js
+      - .github/workflows/lint.yml
+jobs:
+  pnpm_install:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4.1.1
+      with:
+        fetch-depth: 0
+        submodules: true
+    - uses: pnpm/action-setup@v4
+    - uses: actions/setup-node@v4.0.4
+      with:
+        node-version-file: '.node-version'
+        cache: 'pnpm'
+    - run: corepack enable
+    - run: pnpm i --frozen-lockfile
+
+  lint:
+    needs: [pnpm_install]
+    runs-on: ubuntu-latest
+    continue-on-error: true
+    strategy:
+      matrix:
+        workspace:
+        - backend
+        - frontend
+        - frontend-shared
+        - frontend-embed
+        - sw
+        - misskey-js
+        - misskey-bubble-game
+        - misskey-reversi
+    env:
+      eslint-cache-version: v1
+      eslint-cache-path: ${{ github.workspace }}/node_modules/.cache/eslint-${{ matrix.workspace }}
+    steps:
+    - uses: actions/checkout@v4.1.1
+      with:
+        fetch-depth: 0
+        submodules: true
+    - uses: pnpm/action-setup@v4
+    - uses: actions/setup-node@v4.0.4
+      with:
+        node-version-file: '.node-version'
+        cache: 'pnpm'
+    - run: corepack enable
+    - run: pnpm i --frozen-lockfile
+    - name: Restore eslint cache
+      uses: actions/cache@v4.1.0
+      with:
+        path: ${{ env.eslint-cache-path }}
+        key: eslint-${{ env.eslint-cache-version }}-${{ matrix.workspace }}-${{ hashFiles('**/pnpm-lock.yaml') }}-${{ github.ref_name }}-${{ github.sha }}
+        restore-keys: eslint-${{ env.eslint-cache-version }}-${{ matrix.workspace }}-${{ hashFiles('**/pnpm-lock.yaml') }}-
+    - run: pnpm --filter ${{ matrix.workspace }} run eslint --cache --cache-location ${{ env.eslint-cache-path }} --cache-strategy content
+
+  typecheck:
+    needs: [pnpm_install]
+    runs-on: ubuntu-latest
+    continue-on-error: true
+    strategy:
+      matrix:
+        workspace:
+        - backend
+        - sw
+        - misskey-js
+    steps:
+    - uses: actions/checkout@v4.1.1
+      with:
+        fetch-depth: 0
+        submodules: true
+    - uses: pnpm/action-setup@v4
+    - uses: actions/setup-node@v4.0.4
+      with:
+        node-version-file: '.node-version'
+        cache: 'pnpm'
+    - run: corepack enable
+    - run: pnpm i --frozen-lockfile
+    - run: pnpm --filter misskey-js run build
+      if: ${{ matrix.workspace == 'backend' || matrix.workspace == 'sw' }}
+    - run: pnpm --filter misskey-reversi run build
+      if: ${{ matrix.workspace == 'backend' }}
+    - run: pnpm --filter ${{ matrix.workspace }} run typecheck