io.github.apollographql/graphos-mcp-server
GraphOS MCP Server
Search Apollo docs, specs, and best practices
alive probed 2026-10-05 · HTTP 200
32tools
16ktokens in Claude Opus 5.5
16ktokens in Claude Code
7.9 %of a 200k context window
9.2ko200k_base estimate
289 msto initialize
93 msto list tools
- Endpoint
- https://mcp.apollographql.com (streamable-http)
- Host
- mcp.apollographql.com
- Protocol
- 2025-11-25
- Reports itself as
- graphos-mcp-server 1.20.0
- Capabilities
- tools
- Instructions
- 1 516 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Website
- https://www.apollographql.com/docs/graphos/platform/graphos-mcp-tools
- Registry
- active, updated 2026-08-03 · registry entry
- Reachable
- 6 of the last 6 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| GetSubgraphMetrics | 1 258 | 14 % |
| GetOperationMetrics | 1 053 | 11 % |
| GetClientMetrics | 1 029 | 11 % |
| PublishPersistedQueries | 710 | 8 % |
| GetCheckResults | 402 | 4 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-05 14:32 | alive | 289 ms | 32 | 16k | 9.2k |
| 2026-10-05 00:32 | alive | 139 ms | 32 | 9.2k | |
| 2026-10-04 10:03 | alive | 786 ms | 32 | 9.2k | |
| 2026-10-04 07:57 | alive | 1.3 s | 32 | 9.2k | |
| 2026-10-03 20:36 | alive | 842 ms | 32 | 9.2k | |
| 2026-10-03 17:52 | alive | 437 ms | 32 | 9.2k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.apollographql/graphos-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.