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Generate MCP Manifest workflow (pathintegral-institute/mcpm.sh)

The Generate MCP Manifest workflow from pathintegral-institute/mcpm.sh, explained and optimized by Latchkey.

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Source: pathintegral-institute/mcpm.sh.github/workflows/generate-manifest.ymlLicense MITView source

What it does

This is the Generate MCP Manifest workflow from the pathintegral-institute/mcpm.sh repository, a real project running GitHub Actions. It is shown here with attribution under its MIT license.

Below, Latchkey shows a faster, safer version produced by its optimization engine.

The workflow

workflow (.yml)
name: Generate MCP Manifest

on:
  workflow_dispatch:
    inputs:
      repo_url:
        description: 'Repository URL to generate manifest for'
        required: true
        type: string
  repository_dispatch:
    types: [generate-manifest]
  issues:
    types: [opened, labeled]

jobs:
  generate-manifest:
    runs-on: ubuntu-latest
    if: ${{ github.event_name != 'issues' || contains(github.event.issue.labels.*.name, 'server submission') }}
    permissions:
      contents: write
      pull-requests: write

    steps:
      - name: Generate GitHub App token
        id: app-token
        uses: actions/create-github-app-token@v1
        with:
          app-id: ${{ secrets.MCPM_REGISTRY_BOT_APP_ID }}
          private-key: ${{ secrets.MCPM_REGISTRY_BOT_PRIVATE_KEY }}

      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          token: ${{ steps.app-token.outputs.token }}

      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: '3.11'

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          pip install requests

      - name: Extract repository URL from issue
        id: extract-url
        if: github.event_name == 'issues'
        env:
          ISSUE_BODY: ${{ github.event.issue.body }}
        run: |
          # Extract the repository URL from the GitHub issue form
          # The form renders the repository field as a URL line after the label
          REPO_URL=$(echo "$ISSUE_BODY" | grep -oP 'https://github\.com/[^\s]+' | head -1)
          if [ -z "$REPO_URL" ]; then
            echo "No GitHub repository URL found in issue body"
            echo "Issue body: $ISSUE_BODY"
            exit 1
          fi
          echo "Found repository URL: $REPO_URL"
          echo "repo_url=$REPO_URL" >> $GITHUB_OUTPUT

      - name: Generate manifest
        env:
          ANYON_API_KEY: ${{ secrets.ANYON_API_KEY }}
        run: |
          REPO_URL="${{ github.event.inputs.repo_url || github.event.client_payload.repo_url || steps.extract-url.outputs.repo_url }}"
          python scripts/get_manifest.py "$REPO_URL"

      - name: Extract repo name for branch
        id: repo-info
        run: |
          REPO_URL="${{ github.event.inputs.repo_url || github.event.client_payload.repo_url || steps.extract-url.outputs.repo_url }}"
          REPO_NAME=$(echo "$REPO_URL" | sed 's/.*github\.com[:/]//' | sed 's/\.git$//' | tr '/' '-')
          echo "repo_name=$REPO_NAME" >> $GITHUB_OUTPUT
          echo "branch_name=add-manifest-$REPO_NAME" >> $GITHUB_OUTPUT

      - name: Create Pull Request
        uses: peter-evans/create-pull-request@v5
        with:
          token: ${{ steps.app-token.outputs.token }}
          commit-message: |
            feat: add manifest for ${{ steps.repo-info.outputs.repo_name }}
            
            Generated manifest JSON for repository: ${{ github.event.inputs.repo_url || github.event.client_payload.repo_url || steps.extract-url.outputs.repo_url }}
            
            Co-Authored-By: Lucien
          title: "feat: Add MCP manifest for ${{ steps.repo-info.outputs.repo_name }}"
          body: |
            ## Summary
            
            This PR adds a new MCP server manifest generated from the repository: ${{ github.event.inputs.repo_url || github.event.client_payload.repo_url || steps.extract-url.outputs.repo_url }}
            
            ## Changes
            
            - Added new manifest JSON file in `mcp-registry/servers/`
            - Manifest was automatically generated using the chatxiv.org API
            
            ## Test plan
            
            - [ ] Verify the generated JSON is valid
            - [ ] Check that all required fields are present
            - [ ] Validate installation instructions work correctly
            
            ---
            
            🤖 Generated with [Claude Code](https://claude.ai/code)
          branch: ${{ steps.repo-info.outputs.branch_name }}
          delete-branch: true

The same workflow, on Latchkey

Estimated ~20% faster on cache hits, plus fewer wasted runs and a safer supply chain. Added and changed lines are highlighted.

name: Generate MCP Manifest
 
on:
  workflow_dispatch:
    inputs:
      repo_url:
        description: 'Repository URL to generate manifest for'
        required: true
        type: string
  repository_dispatch:
    types: [generate-manifest]
  issues:
    types: [opened, labeled]
 
jobs:
  generate-manifest:
    timeout-minutes: 30
    runs-on: latchkey-small
    if: ${{ github.event_name != 'issues' || contains(github.event.issue.labels.*.name, 'server submission') }}
    permissions:
      contents: write
      pull-requests: write
 
    steps:
      - name: Generate GitHub App token
        id: app-token
        uses: actions/create-github-app-token@v1
        with:
          app-id: ${{ secrets.MCPM_REGISTRY_BOT_APP_ID }}
          private-key: ${{ secrets.MCPM_REGISTRY_BOT_PRIVATE_KEY }}
 
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          token: ${{ steps.app-token.outputs.token }}
 
      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          cache: 'pip'
          python-version: '3.11'
 
      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          pip install requests
 
      - name: Extract repository URL from issue
        id: extract-url
        if: github.event_name == 'issues'
        env:
          ISSUE_BODY: ${{ github.event.issue.body }}
        run: |
          # Extract the repository URL from the GitHub issue form
          # The form renders the repository field as a URL line after the label
          REPO_URL=$(echo "$ISSUE_BODY" | grep -oP 'https://github\.com/[^\s]+' | head -1)
          if [ -z "$REPO_URL" ]; then
            echo "No GitHub repository URL found in issue body"
            echo "Issue body: $ISSUE_BODY"
            exit 1
          fi
          echo "Found repository URL: $REPO_URL"
          echo "repo_url=$REPO_URL" >> $GITHUB_OUTPUT
 
      - name: Generate manifest
        env:
          ANYON_API_KEY: ${{ secrets.ANYON_API_KEY }}
        run: |
          REPO_URL="${{ github.event.inputs.repo_url || github.event.client_payload.repo_url || steps.extract-url.outputs.repo_url }}"
          python scripts/get_manifest.py "$REPO_URL"
 
      - name: Extract repo name for branch
        id: repo-info
        run: |
          REPO_URL="${{ github.event.inputs.repo_url || github.event.client_payload.repo_url || steps.extract-url.outputs.repo_url }}"
          REPO_NAME=$(echo "$REPO_URL" | sed 's/.*github\.com[:/]//' | sed 's/\.git$//' | tr '/' '-')
          echo "repo_name=$REPO_NAME" >> $GITHUB_OUTPUT
          echo "branch_name=add-manifest-$REPO_NAME" >> $GITHUB_OUTPUT
 
      - name: Create Pull Request
        uses: peter-evans/create-pull-request@v5
        with:
          token: ${{ steps.app-token.outputs.token }}
          commit-message: |
            feat: add manifest for ${{ steps.repo-info.outputs.repo_name }}
            
            Generated manifest JSON for repository: ${{ github.event.inputs.repo_url || github.event.client_payload.repo_url || steps.extract-url.outputs.repo_url }}
            
            Co-Authored-By: Lucien
          title: "feat: Add MCP manifest for ${{ steps.repo-info.outputs.repo_name }}"
          body: |
            ## Summary
            
            This PR adds a new MCP server manifest generated from the repository: ${{ github.event.inputs.repo_url || github.event.client_payload.repo_url || steps.extract-url.outputs.repo_url }}
            
            ## Changes
            
            - Added new manifest JSON file in `mcp-registry/servers/`
            - Manifest was automatically generated using the chatxiv.org API
            
            ## Test plan
            
            - [ ] Verify the generated JSON is valid
            - [ ] Check that all required fields are present
            - [ ] Validate installation instructions work correctly
            
            ---
            
            🤖 Generated with [Claude Code](https://claude.ai/code)
          branch: ${{ steps.repo-info.outputs.branch_name }}
          delete-branch: true
 

What changed

1 third-party action is referenced by a movable tag. Pin it to the commit SHA (Latchkey resolves and applies this automatically) so a repointed tag cannot change what runs.

What Latchkey heals here

This workflow has steps that commonly fail on transient issues (network, registries, flaky browsers). On Latchkey managed runners they are detected, retried, and self-healed instead of failing your build:

This workflow runs 1 job per trigger. On Latchkey the same minutes cost up to 58% less than GitHub-hosted, with zero queue time.

Actions used in this workflow