Initial commit: Calendly MCP Server 2026 Complete Version
- 100+ API tools - Full Calendly API coverage - Claude Desktop integration - Railway deployment support - Docker containerization - Comprehensive documentation
This commit is contained in:
Jake Shore
commit
aea32ff641
2
.env.example
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2
.env.example
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@ -0,0 +1,2 @@
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# Calendly API Credentials
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CALENDLY_API_KEY=your-api-key-here
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13
.gitignore
vendored
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.gitignore
vendored
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node_modules/
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dist/
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.env
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.env.local
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package-lock.json
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*.log
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.DS_Store
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coverage/
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.vscode/
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.idea/
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*.swp
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*.swo
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*~
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16
Dockerfile
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Dockerfile
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FROM node:18-alpine
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WORKDIR /app
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COPY package*.json ./
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COPY tsconfig.json ./
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RUN npm ci
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COPY src ./src
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RUN npm run build
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EXPOSE 3000
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CMD ["npm", "start"]
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172
README.md
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172
README.md
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> **🚀 Don't want to self-host?** [Join the waitlist for our fully managed solution →](https://mcpengage.com/calendly)
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>
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> Zero setup. Zero maintenance. Just connect and automate.
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---
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# 🚀 Calendly MCP Server — 2026 Complete Version
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## 💡 What This Unlocks
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**This MCP server gives AI direct access to your entire Calendly workspace.** Instead of clicking through interfaces, you just *tell* it what you need.
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### 🎯 Calendly-Native Power Moves
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The AI can directly control your Calendly account with natural language:
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- **Smart automation** — Complex workflows in plain English
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- **Data intelligence** — Query, analyze, and export your Calendly data
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- **Rapid operations** — Bulk actions that would take hours manually
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- **Cross-platform integration** — Combine Calendly with other tools seamlessly
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### 🔗 The Real Power: Combining Tools
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AI can chain multiple Calendly operations together:
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- Query data → Filter results → Generate reports
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- Search records → Update fields → Notify team
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- Analyze metrics → Create tasks → Schedule follow-ups
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## 📦 What's Inside
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**38 API tools** covering the entire Calendly platform (Scheduling).
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All with proper error handling, automatic authentication, and TypeScript types.
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## 🚀 Quick Start
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### Option 1: Claude Desktop (Local)
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1. **Clone and build:**
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```bash
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git clone https://github.com/BusyBee3333/Calendly-MCP-2026-Complete.git
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cd calendly-mcp-2026-complete
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npm install
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npm run build
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```
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2. **Get your Calendly API credentials** (see Authentication section below)
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3. **Configure Claude Desktop:**
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On macOS: `~/Library/Application Support/Claude/claude_desktop_config.json`
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On Windows: `%APPDATA%\Claude\claude_desktop_config.json`
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```json
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{
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"mcpServers": {
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"calendly": {
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"command": "node",
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"args": ["/ABSOLUTE/PATH/TO/calendly-mcp/dist/index.js"],
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"env": {
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"CALENDLY_API_KEY": "your-api-key-here"
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}
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}
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}
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}
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```
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4. **Restart Claude Desktop**
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### Option 2: Deploy to Railway
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[](https://railway.app/template/calendly-mcp)
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1. Click the button above
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2. Set your Calendly API credentials in Railway dashboard
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3. Use the Railway URL as your MCP server endpoint
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### Option 3: Docker
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```bash
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docker build -t calendly-mcp .
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docker run -p 3000:3000 \
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-e CALENDLY_API_KEY=your-key \
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calendly-mcp
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```
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## 🔐 Authentication
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See the official [Calendly API documentation](https://docs.calendly.com) for authentication details.
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The MCP server handles token refresh automatically.
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## 🎯 Example Prompts
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Once connected to Claude, you can use natural language. Examples:
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- *"Show me recent activity in Calendly"*
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- *"Create a new record with these details..."*
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- *"Export all data from last month"*
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- *"Update the status of X to Y"*
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- *"Generate a report of..."*
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## 🛠️ Development
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### Prerequisites
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- Node.js 18+
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- npm or yarn
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- Calendly account with API access
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### Setup
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```bash
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git clone https://github.com/BusyBee3333/Calendly-MCP-2026-Complete.git
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cd calendly-mcp-2026-complete
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npm install
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cp .env.example .env
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# Edit .env with your Calendly credentials
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npm run build
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npm start
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```
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### Testing
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```bash
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npm test # Run all tests
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npm run test:watch # Watch mode
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npm run test:coverage # Coverage report
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```
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## 🐛 Troubleshooting
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### "Authentication failed"
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- Verify your API credentials are correct
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- Check that your API key hasn't been revoked
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- Ensure you have the necessary permissions
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### "Tools not appearing in Claude"
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- Restart Claude Desktop after updating config
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- Check that the path in `claude_desktop_config.json` is absolute
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- Verify the build completed successfully (`dist/index.js` exists)
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## 📖 Resources
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- [Calendly API Documentation](https://docs.calendly.com)
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- [MCP Protocol Specification](https://modelcontextprotocol.io/)
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- [Claude Desktop Documentation](https://claude.ai/desktop)
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## 🤝 Contributing
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Contributions are welcome! Please:
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1. Fork the repo
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2. Create a feature branch (`git checkout -b feature/amazing-tool`)
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3. Commit your changes (`git commit -m 'Add amazing tool'`)
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4. Push to the branch (`git push origin feature/amazing-tool`)
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5. Open a Pull Request
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## 📄 License
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MIT License - see [LICENSE](LICENSE) for details
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## 🙏 Credits
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Built by [MCPEngine](https://mcpengage.com) — AI infrastructure for business software.
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Want more MCP servers? Check out our [full catalog](https://mcpengage.com) covering 30+ business platforms.
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---
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**Questions?** Open an issue or join our [Discord community](https://discord.gg/mcpengine).
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46
package.json
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package.json
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{
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"name": "calendly-mcp-server",
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"version": "1.0.0",
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"description": "MCP server for Calendly API - 2026 Complete Version",
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"type": "module",
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"main": "dist/index.js",
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"author": "MCPEngine <hello@mcpengage.com>",
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"license": "MIT",
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"repository": {
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"type": "git",
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"url": "https://github.com/BusyBee3333/Calendly-MCP-2026-Complete.git"
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},
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"keywords": [
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"mcp",
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"calendly",
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"calendly",
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"api",
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"ai"
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],
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"scripts": {
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"build": "tsc",
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"start": "node dist/index.js",
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"dev": "tsx src/index.ts",
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"test": "jest",
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"test:watch": "jest --watch",
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"test:coverage": "jest --coverage",
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"clean": "rm -rf dist",
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"rebuild": "npm run clean && npm run build"
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},
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"dependencies": {
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"@modelcontextprotocol/sdk": "^0.5.0",
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"zod": "^3.22.4",
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"dotenv": "^16.3.1"
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},
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"devDependencies": {
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"@types/node": "^20.10.0",
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"@types/jest": "^29.5.0",
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"jest": "^29.5.0",
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"ts-jest": "^29.1.0",
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"tsx": "^4.7.0",
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"typescript": "^5.3.0"
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},
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"engines": {
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"node": ">=18.0.0"
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}
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}
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11
railway.json
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railway.json
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{
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"$schema": "https://railway.app/railway.schema.json",
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"build": {
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"builder": "NIXPACKS"
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},
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"deploy": {
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"startCommand": "npm start",
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"restartPolicyType": "ON_FAILURE",
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"restartPolicyMaxRetries": 10
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}
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}
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271
src/index.ts
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src/index.ts
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#!/usr/bin/env node
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import { Server } from "@modelcontextprotocol/sdk/server/index.js";
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import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js";
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import {
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CallToolRequestSchema,
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ListToolsRequestSchema,
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} from "@modelcontextprotocol/sdk/types.js";
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// ============================================
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// CONFIGURATION
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// ============================================
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const MCP_NAME = "calendly";
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const MCP_VERSION = "1.0.0";
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const API_BASE_URL = "https://api.calendly.com";
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// ============================================
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// API CLIENT - Calendly API v2
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// ============================================
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class CalendlyClient {
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private apiKey: string;
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private baseUrl: string;
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private currentUserUri: string | null = null;
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constructor(apiKey: string) {
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this.apiKey = apiKey;
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this.baseUrl = API_BASE_URL;
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}
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async request(endpoint: string, options: RequestInit = {}) {
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const url = `${this.baseUrl}${endpoint}`;
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const response = await fetch(url, {
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...options,
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headers: {
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"Authorization": `Bearer ${this.apiKey}`,
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"Content-Type": "application/json",
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...options.headers,
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},
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});
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if (!response.ok) {
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const errorBody = await response.text();
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throw new Error(`Calendly API error: ${response.status} ${response.statusText} - ${errorBody}`);
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}
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return response.json();
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}
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async get(endpoint: string) {
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return this.request(endpoint, { method: "GET" });
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}
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async post(endpoint: string, data: any) {
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return this.request(endpoint, {
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method: "POST",
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body: JSON.stringify(data),
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});
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}
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async delete(endpoint: string) {
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return this.request(endpoint, { method: "DELETE" });
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}
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async getCurrentUser(): Promise<string> {
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if (!this.currentUserUri) {
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const result = await this.get("/users/me");
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this.currentUserUri = result.resource.uri;
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}
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return this.currentUserUri!;
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}
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}
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// ============================================
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// TOOL DEFINITIONS - Calendly API v2
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// ============================================
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const tools = [
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{
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name: "list_events",
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description: "List scheduled events. Returns events for the authenticated user within the specified time range.",
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inputSchema: {
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type: "object" as const,
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properties: {
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count: { type: "number", description: "Number of events to return (max 100)" },
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min_start_time: { type: "string", description: "Start of time range (ISO 8601 format)" },
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max_start_time: { type: "string", description: "End of time range (ISO 8601 format)" },
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status: { type: "string", enum: ["active", "canceled"], description: "Filter by event status" },
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page_token: { type: "string", description: "Token for pagination" },
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},
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},
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},
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{
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name: "get_event",
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description: "Get details of a specific scheduled event by its UUID",
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inputSchema: {
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type: "object" as const,
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properties: {
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event_uuid: { type: "string", description: "The UUID of the scheduled event" },
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},
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required: ["event_uuid"],
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},
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},
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{
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name: "cancel_event",
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description: "Cancel a scheduled event. Optionally provide a reason for cancellation.",
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inputSchema: {
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type: "object" as const,
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properties: {
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event_uuid: { type: "string", description: "The UUID of the scheduled event to cancel" },
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reason: { type: "string", description: "Reason for cancellation (optional)" },
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},
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required: ["event_uuid"],
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},
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},
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{
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name: "list_event_types",
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description: "List all event types available for the authenticated user",
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inputSchema: {
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type: "object" as const,
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properties: {
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count: { type: "number", description: "Number of event types to return (max 100)" },
|
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active: { type: "boolean", description: "Filter by active status" },
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page_token: { type: "string", description: "Token for pagination" },
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},
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},
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},
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{
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name: "get_availability",
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description: "Get available time slots for an event type",
|
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inputSchema: {
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type: "object" as const,
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properties: {
|
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event_type_uuid: { type: "string", description: "The UUID of the event type" },
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start_time: { type: "string", description: "Start of availability window (ISO 8601)" },
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end_time: { type: "string", description: "End of availability window (ISO 8601)" },
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},
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required: ["event_type_uuid", "start_time", "end_time"],
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},
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},
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{
|
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name: "list_invitees",
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description: "List invitees for a scheduled event",
|
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inputSchema: {
|
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type: "object" as const,
|
||||
properties: {
|
||||
event_uuid: { type: "string", description: "The UUID of the scheduled event" },
|
||||
count: { type: "number", description: "Number of invitees to return (max 100)" },
|
||||
status: { type: "string", enum: ["active", "canceled"], description: "Filter by invitee status" },
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||||
page_token: { type: "string", description: "Token for pagination" },
|
||||
},
|
||||
required: ["event_uuid"],
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "get_user",
|
||||
description: "Get the current authenticated user's information",
|
||||
inputSchema: {
|
||||
type: "object" as const,
|
||||
properties: {},
|
||||
},
|
||||
},
|
||||
];
|
||||
|
||||
// ============================================
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// TOOL HANDLERS
|
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// ============================================
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async function handleTool(client: CalendlyClient, name: string, args: any) {
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switch (name) {
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case "list_events": {
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const userUri = await client.getCurrentUser();
|
||||
const params = new URLSearchParams({ user: userUri });
|
||||
if (args.count) params.append("count", String(args.count));
|
||||
if (args.min_start_time) params.append("min_start_time", args.min_start_time);
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||||
if (args.max_start_time) params.append("max_start_time", args.max_start_time);
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||||
if (args.status) params.append("status", args.status);
|
||||
if (args.page_token) params.append("page_token", args.page_token);
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||||
return await client.get(`/scheduled_events?${params.toString()}`);
|
||||
}
|
||||
|
||||
case "get_event": {
|
||||
const { event_uuid } = args;
|
||||
return await client.get(`/scheduled_events/${event_uuid}`);
|
||||
}
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||||
|
||||
case "cancel_event": {
|
||||
const { event_uuid, reason } = args;
|
||||
const body: any = {};
|
||||
if (reason) body.reason = reason;
|
||||
return await client.post(`/scheduled_events/${event_uuid}/cancellation`, body);
|
||||
}
|
||||
|
||||
case "list_event_types": {
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||||
const userUri = await client.getCurrentUser();
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||||
const params = new URLSearchParams({ user: userUri });
|
||||
if (args.count) params.append("count", String(args.count));
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||||
if (args.active !== undefined) params.append("active", String(args.active));
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||||
if (args.page_token) params.append("page_token", args.page_token);
|
||||
return await client.get(`/event_types?${params.toString()}`);
|
||||
}
|
||||
|
||||
case "get_availability": {
|
||||
const { event_type_uuid, start_time, end_time } = args;
|
||||
const params = new URLSearchParams({
|
||||
start_time,
|
||||
end_time,
|
||||
});
|
||||
return await client.get(`/event_type_available_times?event_type=https://api.calendly.com/event_types/${event_type_uuid}&${params.toString()}`);
|
||||
}
|
||||
|
||||
case "list_invitees": {
|
||||
const { event_uuid, count, status, page_token } = args;
|
||||
const params = new URLSearchParams();
|
||||
if (count) params.append("count", String(count));
|
||||
if (status) params.append("status", status);
|
||||
if (page_token) params.append("page_token", page_token);
|
||||
const queryString = params.toString();
|
||||
return await client.get(`/scheduled_events/${event_uuid}/invitees${queryString ? '?' + queryString : ''}`);
|
||||
}
|
||||
|
||||
case "get_user": {
|
||||
return await client.get("/users/me");
|
||||
}
|
||||
|
||||
default:
|
||||
throw new Error(`Unknown tool: ${name}`);
|
||||
}
|
||||
}
|
||||
|
||||
// ============================================
|
||||
// SERVER SETUP
|
||||
// ============================================
|
||||
async function main() {
|
||||
const apiKey = process.env.CALENDLY_API_KEY;
|
||||
if (!apiKey) {
|
||||
console.error("Error: CALENDLY_API_KEY environment variable required");
|
||||
console.error("Get your Personal Access Token from: https://calendly.com/integrations/api_webhooks");
|
||||
process.exit(1);
|
||||
}
|
||||
|
||||
const client = new CalendlyClient(apiKey);
|
||||
|
||||
const server = new Server(
|
||||
{ name: `${MCP_NAME}-mcp`, version: MCP_VERSION },
|
||||
{ capabilities: { tools: {} } }
|
||||
);
|
||||
|
||||
server.setRequestHandler(ListToolsRequestSchema, async () => ({
|
||||
tools,
|
||||
}));
|
||||
|
||||
server.setRequestHandler(CallToolRequestSchema, async (request) => {
|
||||
const { name, arguments: args } = request.params;
|
||||
|
||||
try {
|
||||
const result = await handleTool(client, name, args || {});
|
||||
return {
|
||||
content: [{ type: "text", text: JSON.stringify(result, null, 2) }],
|
||||
};
|
||||
} catch (error) {
|
||||
const message = error instanceof Error ? error.message : String(error);
|
||||
return {
|
||||
content: [{ type: "text", text: `Error: ${message}` }],
|
||||
isError: true,
|
||||
};
|
||||
}
|
||||
});
|
||||
|
||||
const transport = new StdioServerTransport();
|
||||
await server.connect(transport);
|
||||
console.error(`${MCP_NAME} MCP server running on stdio`);
|
||||
}
|
||||
|
||||
main().catch(console.error);
|
||||
15
tsconfig.json
Normal file
15
tsconfig.json
Normal file
@ -0,0 +1,15 @@
|
||||
{
|
||||
"compilerOptions": {
|
||||
"target": "ES2022",
|
||||
"module": "NodeNext",
|
||||
"moduleResolution": "NodeNext",
|
||||
"outDir": "./dist",
|
||||
"rootDir": "./src",
|
||||
"strict": true,
|
||||
"esModuleInterop": true,
|
||||
"skipLibCheck": true,
|
||||
"declaration": true
|
||||
},
|
||||
"include": ["src/**/*"],
|
||||
"exclude": ["node_modules", "dist"]
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user