io.github.cyanheads/gnomad-genetics-mcp-server
gnomad-genetics-mcp-server
Ancestry allele frequencies, LoF constraint, variant lists, and coverage from gnomAD, with ClinVar.
alive probed 2026-10-15 · HTTP 200
7tools
6.8ktokens in Claude Opus 5.5
7.0ktokens in Claude Code
3.4 %of a 200k context window
4.2ko200k_base estimate
304 msto initialize
106 msto list tools
- Endpoint
- https://gnomad-genetics.caseyjhand.com/mcp (streamable-http)
- Host
- gnomad-genetics.caseyjhand.com
- Protocol
- 2025-11-25
- Reports itself as
- gnomad-genetics-mcp-server 0.4.1
- Capabilities
- logging, prompts, resources, tools
- Instructions
- 865 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-14. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/cyanheads/gnomad-genetics-mcp-server
- Registry
- active, updated 2026-10-14 · registry entry
- Reachable
- 8 of the last 8 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| gnomad_list_gene_variants | 939 | 23 % |
| gnomad_get_coverage | 786 | 19 % |
| gnomad_search_clinvar | 675 | 16 % |
| gnomad_get_gene_constraint | 596 | 14 % |
| gnomad_get_variant | 543 | 13 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-15 10:33 | alive | 208 ms | 7 | 6.8k | 4.2k |
| 2026-10-14 18:55 | alive | 1.4 s | 7 | 6.8k | 4.2k |
| 2026-10-05 14:39 | alive | 304 ms | 7 | 6.7k | 4.1k |
| 2026-10-05 00:33 | alive | 226 ms | 7 | 4.1k | |
| 2026-10-04 10:04 | alive | 301 ms | 7 | 4.1k | |
| 2026-10-04 07:57 | alive | 311 ms | 7 | 4.1k | |
| 2026-10-03 20:37 | alive | 838 ms | 7 | 4.1k | |
| 2026-10-03 17:53 | alive | 684 ms | 7 | 4.1k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.cyanheads/gnomad-genetics-mcp-server)
An entry for every probe that changed the result, the tool count or the token cost: Atom feed. Add it to a feed reader or a Slack RSS app to hear when the server stops answering or its tool set grows.