io.github.cyanheads/ensembl-mcp-server

io.github.cyanheads/ensembl-mcp-server

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

View repository →

Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "ensembl-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/ensembl-mcp-server@0.7.1"
      ],
      "env": {
        "ENSEMBL_BASE_URL": "https://rest.ensembl.org",
        "MCP_LOG_LEVEL": "info"
      }
    }
  }
}
Environment variables
  • ENSEMBL_BASE_URLEnsembl REST API base URL. Override to use GRCh37 endpoint or a local mirror.
  • MCP_LOG_LEVELSets the minimum log level for output (e.g., 'debug', 'info', 'warn').

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
0.7.1
Registry
active
Published
10/29/2026

Remotes

  • streamable-httphttps://ensembl.caseyjhand.com/mcp

More Developer Tools servers

Browse all Developer Tools →

io.github.cyanheads/epa-drinking-water-mcp-server

cyanheads

Search EPA drinking water systems, violations, enforcement, and contaminant measurements.

Developer ToolsAdded 1 week ago

io.github.cyanheads/epa-mcp-server

cyanheads

Search EPA compliance, TRI, Superfund, drinking-water, EJScreen, and AirNow data.

Developer ToolsAdded 1 week ago

io.github.cyanheads/eu-parliament-mcp-server

cyanheads

Track European Parliament procedures, MEPs, votes, documents, speeches, and questions.

Developer ToolsAdded 1 week ago

io.github.cyanheads/eur-lex-mcp-server

cyanheads

Search EU legislation, CJEU case law, and treaties; traverse CELLAR graph; browse EuroVoc concepts.

Developer ToolsAdded 1 week ago

io.github.cyanheads/eurostat-mcp-server

cyanheads

Search and query the Eurostat catalogue — EU economy, demography, trade, and NUTS regional data.

Developer ToolsAdded 1 week ago

io.github.cyanheads/evals-mcp-server

cyanheads

Author verifiable eval records through a draft→review→revise→submit loop with enforced graders.

Developer ToolsAdded 4 weeks ago

Add the badge to your site

Show visitors that io.github.cyanheads/ensembl-mcp-server is listed here — it’s also the link we check for a free listing.

io.github.cyanheads/ensembl-mcp-server — listed on Serverdex

HTML — for your website

<a href="https://serverdex.io/server/io-github-cyanheads-ensembl-mcp-server?utm_source=badge"><img src="https://serverdex.io/brand/badge.svg" alt="io.github.cyanheads/ensembl-mcp-server — listed on Serverdex" width="123" height="40" loading="lazy"></a>

Recommended. A dofollow link from your own domain is the one that counts for search engines, and it's the link we check for a free listing.

Markdown — for your README

[![io.github.cyanheads/ensembl-mcp-server — listed on Serverdex](https://serverdex.io/brand/badge.svg)](https://serverdex.io/server/io-github-cyanheads-ensembl-mcp-server?utm_source=badge)

Nice for visibility, but GitHub marks README links nofollow, so it doesn't pass authority. Use the HTML badge on your site as well.