r/mcp•
0xpsy

A MCP Server for Protein Design

I'm super excited about this one. I've been building subseq.bio, a protein design service hosting the latest state of the art models like RFdiffusion (including the just released RFD3!), BoltzGen, Alphafold, etc, pre-configured and easy to run via the web UI + API.

Well today all the main subseq endpoints are now also available on the brand new MCP server!
You'll need an API key, you can make one pretty quick on the site.

MCP URL: https://subseq.bio/mcp

OAuth is not implemented just yet, but you can use the API key via authorization bearer:
Authorization: Bearer <your_subseq_api_key>

Here's an example codex config:

export SUBSEQ_API_KEY=<subseq_api_key>

codex mcp add subseq --url <subseq_mcp_url> --bearer-token-env-var SUBSEQ_API_KEY

You might not know how to design proteins... but the LLM's do :)

(*note: It *is* pay per use, however you can run hours of runtime on all programs for free right now since there's free credits on new sign ins.)

If anyone has questions or needs help please let me know!

Posted Dec 6, 2025, 2:17 AM UTC

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