github-mcp-server/.github/workflows/mcp-diff.yml at 48f08a893829e077eb3c165beaefc9f3f34ad049 · github/github-mcp-server · GitHub

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name: MCP Server Diff

on:
  pull_request:
  push:
    branches: [main]
    tags: ['v*']

permissions:
  contents: read

jobs:
  mcp-diff:
    runs-on: ubuntu-latest

    steps:
      - name: Check out code
        uses: actions/checkout@v6
        with:
          fetch-depth: 0

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version-file: go.mod

      - name: Build UI
        uses: ./.github/actions/build-ui

      - name: Generate diff configurations
        id: configs
        # The generator imports pkg/github so any new entry in
        # AllowedFeatureFlags is automatically diffed without touching this
        # workflow. See script/print-mcp-diff-configs/main.go.
        run: |
          {
            echo 'configurations<<MCP_DIFF_EOF'
            go run ./script/print-mcp-diff-configs
            echo 'MCP_DIFF_EOF'
          } >> "$GITHUB_OUTPUT"

      - name: Run MCP Server Diff
        uses: SamMorrowDrums/mcp-server-diff@v2.3.5
        with:
          setup_go: "false"
          install_command: go mod download
          start_command: go run ./cmd/github-mcp-server stdio
          env_vars: |
            GITHUB_PERSONAL_ACCESS_TOKEN=test-token
          configurations: ${{ steps.configs.outputs.configurations }}

      - name: Add interpretation note
        if: always()
        run: |
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "---" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "ℹ️ **Note:** Differences may be intentional improvements." >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "Common expected differences:" >> $GITHUB_STEP_SUMMARY
          echo "- New tools/toolsets added" >> $GITHUB_STEP_SUMMARY
          echo "- Tool descriptions updated" >> $GITHUB_STEP_SUMMARY
          echo "- Capability changes (intentional improvements)" >> $GITHUB_STEP_SUMMARY