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MCP server bridging GitHub webhooks via Cloudflare Worker for real-time event streaming
About
MCP server bridging GitHub webhooks via Cloudflare Worker for real-time event streaming
Security Report
7.7
Moderate7.7Low RiskValid MCP server (2 strong, 4 medium validity signals). 2 known CVEs in dependencies (0 critical, 2 high severity) ⚠️ Package registry links to a different repository than scanned source. Imported from the Official MCP Registry. 1 finding(s) downgraded by scanner intelligence.
7 files analyzed · 3 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
What You'll Need
Set these up before or after installing:
URL of your deployed Cloudflare Worker endpoint (default: https://github-webhook.smgjp.com)
Environment variable: WEBHOOK_WORKER_URL
Set to '0' to disable SSE channel notifications (default: enabled)
Environment variable: WEBHOOK_CHANNEL
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-liplus-project-github-webhook-mcp": {
"env": {
"WEBHOOK_CHANNEL": "your-webhook-channel-here",
"WEBHOOK_WORKER_URL": "your-webhook-worker-url-here"
},
"args": [
"-y",
"@github-webhook-mcp/local-bridge"
],
"command": "npx"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
github-webhook-mcp
Real-time GitHub webhook notifications for Claude via Cloudflare Worker + Durable Object.
Architecture
GitHub ──POST──▶ Cloudflare Worker ──▶ Durable Object (SQLite)
│
├── MCP tools (Streamable HTTP)
├── WebSocket real-time stream
│
┌────────────────┘
│
Desktop / Codex: .mcpb local bridge ──▶ polling via MCP tools
Claude Code CLI: .mcpb local bridge ──▶ WebSocket → channel notifications
- Cloudflare Worker receives GitHub webhooks, verifies signatures, stores events in a Durable Object with SQLite.
- Local MCP bridge (.mcpb) proxies tool calls to the Worker and optionally connects via WebSocket for real-time channel notifications.
- No local webhook receiver or tunnel required.
Prerequisites
| Component | Required |
|---|---|
| Node.js 18+ | MCP server |
| Cloudflare account | Worker deployment (self-hosting) |
Getting Started
1. Install the GitHub App
Install the GitHub Webhook MCP app on your GitHub organization or account:
- Visit the GitHub App installation page
- Select the organization or account to install on
- Choose which repositories to grant access to (or all repositories)
- Approve the requested permissions
Note: When the app requests new permissions after an update, you must approve them in your GitHub notification or the app's installation settings. Webhooks will not be delivered until permissions are accepted.
Important: Do not create a separate repository webhook for the same endpoint. The GitHub App handles all webhook delivery — a repository webhook would cause duplicate or malformed requests.
2. Set up the MCP client
Continue to the Installation guide to connect your AI assistant to the webhook service.
Installation
See the Installation wiki page for the full setup guide, including:
- Quick Start with the preview instance
- MCP Client Setup for Claude Desktop, Claude Code CLI, and Codex
- Self-Hosting Guide for Cloudflare Workers deployment
Usage Examples
Example 1: Check pending webhook status
User prompt:
"Are there any new GitHub notifications?"
Expected output:
The AI calls get_pending_status and returns a summary:
You have 3 pending webhook events:
- 2 push events
- 1 pull_request event
Example 2: Inspect a specific event
User prompt:
"Show me the details of the latest pull request event."
Expected output:
The AI calls list_pending_events to find the PR event, then get_event with the event ID to retrieve the full payload:
PR #42 "Fix login timeout" was opened by @alice in repo acme/web-app
Branch: fix/login-timeout → main
Status: open
Changed files: 3
Example 3: Process events after review
User prompt:
"I've reviewed all the push notifications, mark them as done."
Expected output:
The AI calls list_pending_events to find push events, then mark_processed for each one:
Marked 2 push events as processed:
- Push to main by @bob (3 commits)
- Push to develop by @alice (1 commit)
Example 4: Monitor CI status via webhooks
User prompt:
"Did the CI checks pass on my latest PR?"
Expected output:
The AI calls list_pending_events to find check_run events related to the PR, then get_event for details:
CI results for PR #42 "Fix login timeout":
- build (ubuntu-latest): ✓ passed
- lint: ✓ passed
- test (node-18): ✓ passed
All checks passed.
MCP Tools
| Tool | Description |
|---|---|
get_pending_status | Lightweight snapshot of pending event counts by type |
list_pending_events | Summaries of pending events (no full payloads) |
get_event | Full payload for a single event by ID |
get_webhook_events | Full payloads for all pending events |
mark_processed | Mark an event as processed |
Monorepo Structure
worker/ — Cloudflare Worker + Durable Objects
local-mcp/ — Local stdio MCP bridge (TypeScript, dev)
mcp-server/ — .mcpb package for Claude Desktop
shared/ — Shared types and utilities
Privacy Policy
Events are stored in a Cloudflare Durable Object (edge storage). The local MCP bridge proxies tool calls to the Worker and does not store event data locally.
- Extension privacy policy: https://smgjp.com/privacy-policy-github-webhook-mcp/
Support
- GitHub Issues: https://github.com/Liplus-Project/github-webhook-mcp/issues
- Wiki (EN / JA)
- Requirements: docs/0-requirements.md
Related
- Liplus-Project/liplus-language — Li+ language specification
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