Announcing Mastra's MCP Registry Registry

Mastra's MCP Registry Registry simplifies the process of finding MCP registries.

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Apr 10, 2025

MCP (Model Context Protocol) has been getting a lot of love recently — and for good reason. With MCP, your agents can directly interface with other applications and autonomously complete tasks like sending emails, posting on social media, fetching GitHub issues, etc.

Mastra supports MCP and even has its own MCP documentation server. But, unlike our peer group, we aren’t launching our own MCP registry.

Since there are already so many great MCP registries out there, we instead built The MCP Registry Registry.

How the registry came to life

A couple weeks ago, a groupchat we were in started sharing lists of MCP servers.

Daniel Chalef from Zep started the thread. Tod from Pipedream shared a few. Others jumped in. Our response:

Over the weeks, the idea slowly grew on us and, voila, the meta registry was born.

If you choose to make your own MCP registry registry, let us know so we can also ship the first MCP registry registry registry — but remember:

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Sam Bhagwat

Sam Bhagwat is the founder and CEO of Mastra. He co-founded Gatsby, which was used by hundreds of thousands of developers. A Stanford graduate and veteran of web development, he authored 'Principles of Building AI Agents' (2025).

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