Ensembl
Rank #8,126io.github.cyanheads/ensembl-mcp-server
Query genes, sequences, variant consequences, orthologs, and cross-references via the Ensembl REST API.
Ensembl is a Model Context Protocol (MCP) server published by cyanheads. It ranks #8,126 of 77,308 servers tracked on MCP Toplist, and its repository has 2 GitHub stars. Ensembl is listed across 2 registries — Official MCP and PulseMCP, with 2 tracked versions. It was first listed on Jun 5, 2026 and most recently updated on Jun 20, 2026.
Ranks ahead of 69,182 of 77,308 servers on MCP Toplist.
Use Ensembl
Add Ensembl to any MCP client (Claude, Cursor, VS Code, …) with one of the configs below.
{
"mcpServers": {
"ensembl-mcp-server": {
"url": "https://ensembl.caseyjhand.com/mcp"
}
}
}{
"mcpServers": {
"ensembl-mcp-server": {
"command": "npx",
"args": [
"-y",
"@cyanheads/ensembl-mcp-server"
],
"env": {
"ENSEMBL_BASE_URL": "<your ENSEMBL_BASE_URL>",
"MCP_LOG_LEVEL": "<your MCP_LOG_LEVEL>"
}
}
}
}Replace each placeholder with your own value before saving.
{
"mcpServers": {
"ensembl-mcp-server": {
"command": "npx",
"args": [
"-y",
"@cyanheads/ensembl-mcp-server"
],
"env": {
"ENSEMBL_BASE_URL": "<your ENSEMBL_BASE_URL>",
"MCP_HTTP_HOST": "<your MCP_HTTP_HOST>",
"MCP_HTTP_PORT": "<your MCP_HTTP_PORT>",
"MCP_HTTP_ENDPOINT_PATH": "<your MCP_HTTP_ENDPOINT_PATH>",
"MCP_AUTH_MODE": "<your MCP_AUTH_MODE>",
"MCP_LOG_LEVEL": "<your MCP_LOG_LEVEL>"
}
}
}
}Replace each placeholder with your own value before saving.
Show your rank
Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.
[](https://mcptoplist.com/server/io.github.cyanheads%2Fensembl-mcp-server)<a href="https://mcptoplist.com/server/io.github.cyanheads%2Fensembl-mcp-server"><img src="https://mcptoplist.com/badge/io.github.cyanheads%2Fensembl-mcp-server.svg" alt="MCP Toplist: Top 25% of 77,308" /></a>Variants: append ?metric=score or ?metric=stars to the image URL.
Listed on 2 registries
cyanheads
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Available versions (2)
| Version | Published |
|---|---|
| 0.1.5 | Jun 20, 2026 |
| 0.1.1 | Jun 5, 2026 |
Frequently asked questions
- Who maintains Ensembl?
- Ensembl is maintained by cyanheads, which publishes 129 MCP servers (821 total versions) tracked on MCP Toplist.
- Is Ensembl listed on the Official MCP Registry?
- Yes — Ensembl is listed on the Official MCP Registry, alongside PulseMCP.
- How many versions does Ensembl have?
- MCP Toplist tracks 2 versions of Ensembl, most recently published on Jun 20, 2026.
- Where can I find the source code for Ensembl?
- The source code for Ensembl is hosted at github.com/cyanheads/ensembl-mcp-server.