The MCP Guide
Reference

MCP SDKs, tooling, and resources

Where to go next, grouped by what you are trying to do. Not exhaustive, but enough to get productive.

Specification and docs #

SDKs #

Servers, testing, and environments #

  • Reference servers: ready-to-run servers and reference implementations.
  • MCP Inspector: test and debug a server without a full client.
  • Arga Labs: stands in for the services an MCP server wraps, so the server and the agent can be tested end to end.

Resources & further reading

  • modelcontextprotocol.io MCPThe official Model Context Protocol site: concepts, quickstarts, and client list.
  • Python SDK GitHubThe official Python SDK for building MCP servers and clients.
  • TypeScript SDK GitHubThe official TypeScript SDK for building MCP servers and clients.
  • Reference servers GitHubA collection of official and community MCP servers you can install and learn from.
  • MCP Inspector GitHubA visual tool for testing and debugging an MCP server without wiring up a full client.