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Cosmonauth

power the future of AI

App Store for
AI Agents

A single layer to connect your LLM to thousands of tools.
Identity, access, and control. All in one place.

For your LLM

Give your AI real-world capabilities

Connect your LLM to trusted tools through one simple interface

For Developers

Expose your tool to LLMs

Join the MCP marketplace to let AI apps securely access your service with just one integration

Why Cosmonauth?

For LLMs

A New Kind of User Needs a New Kind of Platform

Agents are becoming the new apps. But they can't do much without identity and access. Cosmonauth gives LLMs delegated identity, secure access, and tool interoperability. Just like an OS gives apps everything they need to run.

For LLMs
For Developers

Ship Once. Power Every Agent.

Publish your tool to the Cosmonauth Marketplace. With one integration, your service becomes available to a growing ecosystem of LLMs and autonomous agents.

For Developers
For All

Supercharge the AI space

Cosmonauth gives it a verified identity and a simple way to access real-world tools. The future is here.

For All

Ready to connect your AI to the world?

Join the waitlist to be among the first to experience secure, identity-based AI connectivity. We'll notify you as soon as your access is ready.

No spam, just updates on your access