# Ensembl MCP Server

Look up genes, sequences, variants, homologs, and cross\-database xrefs from Ensembl REST\.

Canonical: https://claudelist.com/listings/mcp-reg-io-github-cyanheads-ensembl-mcp-server-1c2b1faae1

Category: MCP Servers

Source: community · cyanheads

Source checked: 2026-10-14

Website: https://www.claudemcp.org/mcp/registry/io-github-cyanheads-ensembl-mcp-server-1c2b1faae19d.html

Publisher description: Look up genes, sequences, variants, homologs, and cross-database xrefs from Ensembl REST.

## Install or set up

1. Review the publisher repository and npm package `@cyanheads/ensembl-mcp-server@0.6.0` before running it. The MCP Registry declares this package as a stdio server.
2. Install Node.js, then run the command below in your Claude Code project. Check the publisher README for any account or configuration requirements.
3. Restart Claude Code and use `/mcp` to confirm the connection and review its tools and permissions.

```sh
claude mcp add mcp-io-github-cyanheads-ensembl-mcp-server-1c2b1f -- npx -y @cyanheads/ensembl-mcp-server@0.6.0
```

Installation guide: https://github.com/cyanheads/ensembl-mcp-server