dev.gnosem/gnosem
Gnosem
Cross-vendor AI memory over MCP. One semantic store, readable and writeable from every MCP client.
alive probed 2026-10-05 · HTTP 200
6tools
2.6ktokens in Claude Opus 5.5
2.6ktokens in Claude Code
1.3 %of a 200k context window
1.5ko200k_base estimate
382 msto initialize
201 msto list tools
- Endpoint
- https://gnosem.dev/mcp (streamable-http)
- Host
- gnosem.dev
- Protocol
- 2025-06-18
- Reports itself as
- gnosem 0.1.0
- Capabilities
- tools
- Instructions
- none
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/gnosem/gnosem
- Website
- https://gnosem.dev
- Registry
- active, updated 2026-07-30 · registry entry
- Reachable
- 6 of the last 6 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| memory_search | 375 | 25 % |
| memory_write | 370 | 24 % |
| memory_write_bulk | 301 | 20 % |
| memory_list | 264 | 17 % |
| memory_supersede | 136 | 9 % |
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 13:58 | alive | 382 ms | 6 | 2.6k | 1.5k |
| 2026-10-05 00:24 | alive | 145 ms | 6 | 1.5k | |
| 2026-10-04 10:00 | alive | 245 ms | 6 | 1.5k | |
| 2026-10-04 07:53 | alive | 457 ms | 6 | 1.5k | |
| 2026-10-03 20:33 | alive | 337 ms | 6 | 1.5k | |
| 2026-10-03 17:50 | alive | 312 ms | 6 | 1.5k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/dev.gnosem/gnosem)
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.