io.github.robinlidberg-dot/cap-shield
cap-shield
Context selection and compression for AI agents - recall measured, not claimed.
alive probed 2026-10-15
5tools
1.0ktokens in Claude Opus 5.5
1.1ktokens in Claude Code
0.5 %of a 200k context window
595o200k_base estimate
290 msto initialize
4 msto list tools
- Run it
- uvx cap-shield==0.4.1 (stdio, probed in a container with the network off)
- Host
- pypi.org
- Reports itself as
- cap-shield 0.1.0
- Capabilities
- tools
- Instructions
- none
- Claude count
- Claude Opus 5.5, measured 2026-10-15. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/robinlidberg-dot/cap-shield-mcp
- Website
- https://cap-shield-robin.fly.dev
- Registry
- active, updated 2026-08-26 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| measure_traffic | 178 | 30 % |
| assemble_context | 145 | 24 % |
| remember | 112 | 19 % |
| get_account | 92 | 15 % |
| list_packages | 68 | 11 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.robinlidberg-dot/cap-shield)
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.