claude-code-action/base-action/examples/issue-triage.yml

name: Claude Issue Triage Example
description: Run Claude Code for issue triage in GitHub Actions
on:
  issues:
    types: [opened]

jobs:
  triage-issue:
    runs-on: ubuntu-latest
    timeout-minutes: 10
    permissions:
      contents: read
      issues: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
        with:
          fetch-depth: 0

      - name: Setup GitHub MCP Server
        run: |
          mkdir -p /tmp/mcp-config
          cat > /tmp/mcp-config/mcp-servers.json << 'EOF'
          {
            "mcpServers": {
              "github": {
                "command": "docker",
                "args": [
                  "run",
                  "-i",
                  "--rm",
                  "-e",
                  "GITHUB_PERSONAL_ACCESS_TOKEN",
                  "ghcr.io/github/github-mcp-server:sha-7aced2b"
                ],
                "env": {
                  "GITHUB_PERSONAL_ACCESS_TOKEN": "${{ secrets.GITHUB_TOKEN }}"
                }
              }
            }
          }
          EOF

      - name: Create triage prompt
        run: |
          mkdir -p /tmp/claude-prompts
          cat > /tmp/claude-prompts/triage-prompt.txt << 'EOF'
          You're an issue triage assistant for GitHub issues. Your task is to analyze the issue and select appropriate labels from the provided list.

          IMPORTANT: Don't post any comments or messages to the issue. Your only action should be to apply labels.

          Issue Information:
          - REPO: ${GITHUB_REPOSITORY}
          - ISSUE_NUMBER: ${{ github.event.issue.number }}

          TASK OVERVIEW:

          1. First, fetch the list of labels available in this repository by running: `gh label list`. Run exactly this command with nothing else.

          2. Next, use the GitHub tools to get context about the issue:
             - You have access to these tools:
               - mcp__github__get_issue: Use this to retrieve the current issue's details including title, description, and existing labels
               - mcp__github__get_issue_comments: Use this to read any discussion or additional context provided in the comments
               - mcp__github__update_issue: Use this to apply labels to the issue (do not use this for commenting)
               - mcp__github__search_issues: Use this to find similar issues that might provide context for proper categorization and to identify potential duplicate issues
               - mcp__github__list_issues: Use this to understand patterns in how other issues are labeled
             - Start by using mcp__github__get_issue to get the issue details

          3. Analyze the issue content, considering:
             - The issue title and description
             - The type of issue (bug report, feature request, question, etc.)
             - Technical areas mentioned
             - Severity or priority indicators
             - User impact
             - Components affected

          4. Select appropriate labels from the available labels list provided above:
             - Choose labels that accurately reflect the issue's nature
             - Be specific but comprehensive
             - Select priority labels if you can determine urgency (high-priority, med-priority, or low-priority)
             - Consider platform labels (android, ios) if applicable
             - If you find similar issues using mcp__github__search_issues, consider using a "duplicate" label if appropriate. Only do so if the issue is a duplicate of another OPEN issue.

          5. Apply the selected labels:
             - Use mcp__github__update_issue to apply your selected labels
             - DO NOT post any comments explaining your decision
             - DO NOT communicate directly with users
             - If no labels are clearly applicable, do not apply any labels

          IMPORTANT GUIDELINES:
          - Be thorough in your analysis
          - Only select labels from the provided list above
          - DO NOT post any comments to the issue
          - Your ONLY action should be to apply labels using mcp__github__update_issue
          - It's okay to not add any labels if none are clearly applicable
          EOF
        env:
          GITHUB_REPOSITORY: ${{ github.repository }}

      - name: Run Claude Code for Issue Triage
        uses: anthropics/claude-code-base-action@beta
        with:
          prompt_file: /tmp/claude-prompts/triage-prompt.txt
          allowed_tools: "Bash(gh label list),mcp__github__get_issue,mcp__github__get_issue_comments,mcp__github__update_issue,mcp__github__search_issues,mcp__github__list_issues"
          claude_args: |
            --mcp-config /tmp/mcp-config/mcp-servers.json
          anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}