claude-mentions.yml

name: Claude Mentions Handler

on:
  issue_comment:
    types: [created]
  pull_request_review_comment:
    types: [created]
  issues:
    types: [opened]
  pull_request:
    types: [opened]

jobs:
  claude-mention:
    # Only run if the comment mentions @claude
    if: |
      (github.event_name == 'issue_comment' && contains(github.event.comment.body, '@claude')) ||
      (github.event_name == 'pull_request_review_comment' && contains(github.event.comment.body, '@claude')) ||
      (github.event_name == 'issues' && contains(github.event.issue.body, '@claude')) ||
      (github.event_name == 'pull_request' && contains(github.event.pull_request.body, '@claude'))
    
    runs-on: ubuntu-latest
    permissions:
      contents: read
      pull-requests: write
      issues: write
      id-token: write
    
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 1

      - name: Respond to Claude mention
        id: claude-response
        uses: anthropics/claude-code-action@beta
        with:
          claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
          
          # Optional: Specify model (defaults to Claude Sonnet 4, uncomment for Claude Opus 4.1)
          # model: "claude-opus-4-1-20250805"
          
          # Enable interactive mode for mentions
          mention_mode: true
          
          # Optional: Allow Claude to use specific tools when responding
          # allowed_tools: "Read,Grep,Bash(ls),Bash(cat)"
          
          # Optional: Custom system prompt for mentions
          system_prompt: |
            You are Claude, an AI assistant helping with code and technical questions.
            When mentioned with @claude, respond helpfully to the user's question or request.
            Be concise but thorough in your responses.
            If asked to review code, provide constructive feedback.
            If asked technical questions, provide clear explanations with examples when helpful.