claude-code-review.yml

name: Claude Code - Automated PR Review

on:
  pull_request:
    types: [opened, synchronize, ready_for_review, reopened]

jobs:
  claude-review:
    if: >-
      contains(fromJSON('["OWNER","MEMBER","COLLABORATOR"]'),
      github.event.pull_request.author_association)

    runs-on: ubuntu-latest

    permissions:
      contents: write
      pull-requests: write
      issues: write
      actions: read

    steps:
      - name: Checkout repository
        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
        with:
          fetch-depth: 0

      - name: Check run count
        id: check-runs
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          REPO: ${{ github.repository }}
          HEAD_SHA: ${{ github.event.pull_request.head.sha }}
          EVENT_ACTION: ${{ github.event.action }}
          PR_NUMBER: ${{ github.event.pull_request.number }}
        run: |
          WORKFLOW_FILE="claude-code-review.yml"

          RUN_COUNT=$(gh api \
            -H "Accept: application/vnd.github+json" \
            -H "X-GitHub-Api-Version: 2022-11-28" \
            "repos/${REPO}/actions/workflows/${WORKFLOW_FILE}/runs?head_sha=${HEAD_SHA}&status=completed" \
            --jq '[.workflow_runs[] | select(.event == "pull_request")] | length' || echo "")

          RUN_COUNT=${RUN_COUNT:-0}
          if ! echo "$RUN_COUNT" | grep -qE '^[0-9]+$'; then
            echo "[WARN] Invalid RUN_COUNT value ('$RUN_COUNT') from GitHub API. Defaulting to 0."
            RUN_COUNT=0
          fi

          RUN_COUNT=$((RUN_COUNT + 1))

          echo "This is run #$RUN_COUNT for this PR (event: $EVENT_ACTION)"

          if [ "$RUN_COUNT" -le 3 ]; then
            echo "should_run=true" >> $GITHUB_OUTPUT
            echo "[OK] Will run Claude review (run $RUN_COUNT of 3)"
          else
            echo "should_run=false" >> $GITHUB_OUTPUT
            echo "[SKIP] Skipping Claude review (already ran 3 times)"
          fi

      - name: Run Claude Code Review
        if: steps.check-runs.outputs.should_run == 'true'
        uses: anthropics/claude-code-action@f64219702d7454cf29fe32a74104be6ed43dc637 # v1
        with:
          claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
          github_token: ${{ secrets.GITHUB_TOKEN }}
          model: claude-opus-4-6
          use_commit_signing: true

      - name: Comment on PR (skipped)
        if: steps.check-runs.outputs.should_run == 'false'
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          PR_NUMBER: ${{ github.event.pull_request.number }}
        run: |
          gh pr comment "$PR_NUMBER" --body "[INFO] Claude Code review was skipped as it has already run 3 times for this PR."