MCP Dev Tools

Frameworks and tools for building, testing and debugging your own MCP servers. Each page explains what the tool does, who it's for and how to set it up, checked against the official docs.

• Prefect

  FastMCP

  A Python framework for building MCP servers, clients and interactive apps. You write ordinary Python functions and FastMCP generates the tool schemas, validation and docs. FastMCP 1.0 was folded into the official MCP Python SDK in 2024; this is the actively maintained standalone project. Apache-2.0.

• Model Context Protocol

  MCP Inspector

  The official developer tool for testing MCP servers. It connects to a local or remote server and lets you list and call its tools, resources and prompts from a web UI, a scriptable CLI or a terminal UI. Version 2 needs Node 22.19 or newer.