io.github.jiawei686/jev-ultrafast-mcp
jev-ultrafast-mcp
Hand browser work off to a server-side agent: read the page as a table, act, then verify.
alive probed 2026-10-15
10tools
3.5ktokens in Claude Opus 5.5
3.7ktokens in Claude Code
1.7 %of a 200k context window
2.1ko200k_base estimate
3.6 sto initialize
7 msto list tools
- Run it
- uvx jev-ultrafast-mcp==0.1.5 (stdio, probed in a container with the network off)
- Host
- pypi.org
- Reports itself as
- jev-ultrafast-mcp 0.1.5
- Capabilities
- prompts, resources, tools
- Instructions
- 1 254 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-15. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/jiawei686/jev-ultrafast-mcp
- Website
- https://github.com/jiawei686/jev-ultrafast-mcp
- Registry
- active, updated 2026-09-19 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| browser_act | 447 | 22 % |
| browser_assert | 326 | 16 % |
| browser_goal | 288 | 14 % |
| browser_macro | 268 | 13 % |
| browser_tabs | 214 | 10 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.jiawei686/jev-ultrafast-mcp)
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.