io.github.reticlehq/reticle
Reticle
Verify a running web app from the inside over MCP: look, act, observe, assert. No screenshots.
alive probed 2026-10-15
10tools
8.2ktokens in Claude Opus 5.5
8.3ktokens in Claude Code
4.1 %of a 200k context window
4.8ko200k_base estimate
3.8 sto initialize
22 msto list tools
- Run it
- npx -y @reticlehq/server@3.7.0 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- reticle 3.7.0
- Capabilities
- tools
- Instructions
- 3 739 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-15. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/reticlehq/reticle
- Website
- https://www.reticle.sh
- Registry
- active, updated 2026-10-13 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| reticle_act_and_wait | 767 | 16 % |
| reticle_look | 699 | 15 % |
| reticle_session | 674 | 14 % |
| reticle_verify | 655 | 14 % |
| reticle_act | 543 | 11 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.reticlehq/reticle)
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.