Look up genes, fetch sequences, predict variant consequences, find orthologs, and retrieve cross-database xrefs from Ensembl REST via MCP. STDIO or Streamable HTTP.
Latest release v0.6.1 — v0.6.1: Preserve variant annotations and bounded lookup results · 19 Oct 2026
2 files for Codex, OpenCode and Claude Code: ensembl-mcp-server AGENTS.md, ensembl-mcp-server CLAUDE.md — 15,172 tokens loaded in every session.
AGENTS.md A 7,586 tok CLAUDE.md A 7,586 tok These files are cyanheads/ensembl-mcp-server's own configuration — they tell Codex, OpenCode and Claude Code how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.