io.github.gaozhao1989/pyjab-mcp
pyjab_mcp
Drive Java desktop apps from an AI agent, through the JVM's own accessibility tree
alive probed 2026-10-14
16tools
11ktokens in Claude Opus 5.5
11ktokens in Claude Code
5.3 %of a 200k context window
7.0ko200k_base estimate
3.3 sto initialize
10 msto list tools
- Run it
- uvx pyjab-mcp==0.3.1 (stdio, probed in a container with the network off)
- Host
- pypi.org
- Reports itself as
- pyjab_mcp 0.3.1
- Capabilities
- prompts, resources, tools
- Instructions
- 500 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-14. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/gaozhao1989/pyjab-mcp
- Registry
- active, updated 2026-10-12 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| java_snapshot | 646 | 9 % |
| java_send_keys | 622 | 9 % |
| java_wait_for | 608 | 9 % |
| java_focus_window | 581 | 8 % |
| java_find | 551 | 8 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.gaozhao1989/pyjab-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.