MCPChecker is a testing framework for MCP (Model Context Protocol) servers. It helps you verify that:

• Your tools are discoverable by AI agents
• Tool descriptions are clear and actionable
• Agents can correctly use your tools
• Your server handles edge cases properly

Think of it as integration testing for AI tool use.

Check out our quickstarts to dive right in and try out the framework!

mcpchecker supports extensions to the core framework, allowing you to create domain specific operations for your evaluations. Check out the official extensions created by the community below:

• Kubernetes Extension

To create your own, feel free to read up on the protocol docs or to use any of the available SDKs listed below:

• Go SDK
• Extension Protocol Docs