io.github.w3c-cg/sstim
SSTIM MCP: Senses, Stimuli and Perception
SSTIM reference for senses, stimuli, perception and scientific contributions.
alive probed 2026-10-14
8tools
2.1ktokens in Claude Opus 5.5
2.2ktokens in Claude Code
1.1 %of a 200k context window
1.1ko200k_base estimate
96 msto initialize
3 msto list tools
- Run it
- npx -y @sstim/mcp@0.3.0 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- sstim-reference 0.3.0
- Capabilities
- tools
- Instructions
- none
- Claude count
- Claude Opus 5.5, measured 2026-10-14. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/w3c-cg/sstim
- Website
- https://w3c-cg.github.io/sstim/
- Registry
- active, updated 2026-10-11 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| sstim_submit_contribution | 310 | 28 % |
| sstim_draft_contribution | 272 | 24 % |
| sstim_search_concepts | 154 | 14 % |
| sstim_get_concept | 109 | 10 % |
| sstim_prepare_feedback | 99 | 9 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.w3c-cg/sstim)
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.