Inspector
Testing and evaluation platform to chat, inspect, and debug MCP servers, MCP apps, and ChatGPT apps.
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No install snippet on purpose. A working MCP config is a command, its arguments and an environment block — the last two are where API keys live, so this catalogue never stores them and cannot publish them. Follow the link above for the authors' own instructions.
The Inspector allows testing and debugging MCP servers locally. It includes an OAuth and EMA debugger to identify the exact step where authentication breaks. It can be launched from the terminal using a single npx command.
The Swarms feature runs agent personas across every client to test user journeys. It allows inviting real people to test the same scenarios via User Testing. It provides evaluation capabilities to set a quality bar across every AI client.
The Inspector, CLI, SDK, local evals, and conformance checks are open source and free.
Summary drafted from the project's own website. Every sentence is backed by text on that page and was reviewed before publishing.