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<p align="center"><img src="https://github.com/twilio-labs/mcp/blob/246f1b1cd1854d1343468af07a2dfa179dc30a16/docs/twilioAlphaLogoLight.png?raw=true#gh-dark-mode-only" height="70" alt="Twilio Alpha"/><img src="https://github.com/twilio-labs/mcp/blob/246f1b1cd1854d1343468af07a2dfa179dc30a16/docs/twilioAlphaLogoDark.png?raw=true#gh-light-mode-only" height="70" alt="Twilio Alpha"/></p> <h1 align="center">Twilio MCP Monorepo</h1>

This is a monorepo for the Model Context Protocol server that exposes all of Twilio APIs.

What is MCP?

The Model Context Protocol (MCP) is a protocol for exchanging model context information between AI tools and services. This implementation allows you to expose Twilio's APIs to AI assistants and other tools that support the MCP protocol.

Packages

This monorepo contains two main packages:

mcp - MCP Server for all of Twilio's Public API
openapi-mcp-server - An MCP server that serves the given OpenAPI spec

Each package has its own comprehensive README with detailed documentation:

Security Recommendations

To guard against injection attacks that may allow untrusted systems access to your Twilio data, the ETI team advises users of Twilio MCP servers to avoid installing or running any community MCP servers alongside our official ones. Doing so helps ensure that only trusted MCP servers have access to tools interacting with your Twilio account, reducing the risk of unauthorized data access.

Development

Copy & paste — that's it

# Run tests
npm test

# Run linting
npm run lint

# Fix linting issues
npm run lint:fix

Contributing

Contributions are welcome! Please feel free to submit a Pull Request.

License

This project is licensed under the ISC License - see the LICENSE file for details.

Quick Start

The easiest way to get started is by using npx:

Copy & paste — that's it

{
  "mcpServers": {
    "twilio": {
      "command": "npx",
      "args": [
        "-y",
        "@twilio-alpha/mcp",
        "YOUR_ACCOUNT_SID/YOUR_API_KEY:YOUR_API_SECRET"
      ]
    }
  }
}

Visit Twilio API Keys docs for information on how to find/create your API Key and Secret.

Basic Configuration Options

Both packages accept configuration parameters. Here's a brief overview:

MCP Server: Use --services and --tags to filter which APIs to expose
OpenAPI MCP Server: Use --apiPath to specify OpenAPI spec files location

For complete configuration details, refer to the package-specific documentation linked above.

Troubleshooting Common Issues

Context Size Limitations: Due to LLM context limits, load specific APIs using --services or --tags
Authentication Issues: Verify your Twilio API credentials format and permissions
API Versioning: Check you're using the correct API version (v1, v2, v3) for your needs

For detailed troubleshooting guidance, see the package-specific documentation.