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Frequently Asked Questions

What is mpak?

mpak (mpak.dev) is an open-source registry for MCP servers. Search for servers, check their trust score, install with one command. Every server is security-scanned and packaged as a reproducible MCPB bundle.

What is an MCPB bundle?

MCPB (MCP Bundle) is a packaging format for distributing MCP servers. A bundle includes the server code, vendored dependencies, a manifest describing capabilities, and runtime configuration. Same artifact in dev, CI, and production, no dependency drift.

Is mpak free?

Yes. Fully open-source and free to use, search, install, and publish. NimbleBrain built mpak as ecosystem infrastructure, not a revenue product.

Ready to go deeper?

Or email directly: hello@nimblebrain.ai