io.github.godarg/practonaut
Practonaut
Local practice gym for AI agents on real apps: practice Excalidraw tasks, get a reproducible score.
alive probed 2026-10-19
7tools
≈ 2.1ktokens, estimate
≈ 1.0 %of Claude's 200k window
1.4×the median server
3.3 sto initialize
23 msto list tools
- Run it
- npx -y practonaut@0.2.0 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- practonaut 0.2.0
- Capabilities
- prompts, resources, tools
- Instructions
- 642 characters
- Of a 1M window
- ≈ 0.2 % of a 1M context window, estimate
- Claude count
- The count_tokens endpoint refused the tool schemas: invalid x-api-key. The estimate stands in.
- Repository
- https://github.com/godarg/practonaut
- Website
- https://github.com/godarg/practonaut#readme
- Registry
- active, updated 2026-10-16 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
Estimates with the o200k_base tokenizer.
| Tool | o200k estimate | Share of this server |
|---|---|---|
| act | 1 271 | 61 % |
| observe | 207 | 10 % |
| check_result | 169 | 8 % |
| reset | 130 | 6 % |
| undo | 106 | 5 % |
Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
A mail when this server changes
Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.
For the publisher
- The Anthropic count_tokens endpoint refused the tool schemas (invalid x-api-key). A client that validates schemas can refuse them too.