io.github.perzianhq/mantis
mantis
The web as short, numbered text for AI agents: a lean browser interface over Playwright.
alive probed 2026-10-21
16tools
≈ 1.4ktokens, estimate
≈ 0.7 %of Claude's 200k window
1.0×the median server
1.2 sto initialize
18 msto list tools
- Run it
- npx -y mantis-browser@0.1.2 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- mantis 0.1.1
- Capabilities
- tools
- Instructions
- none
- Of a 1M window
- ≈ 0.1 % of a 1M context window, estimate
- Repository
- https://github.com/perzianhq/mantis
- Registry
- active, updated 2026-10-16 · registry entry
Most expensive tools
Estimates with the o200k_base tokenizer.
| Tool | o200k estimate | Share of this server |
|---|---|---|
| read | 168 | 12 % |
| ask_human | 139 | 10 % |
| fill | 111 | 8 % |
| data | 102 | 7 % |
| scroll | 98 | 7 % |
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 server answers initialize and tools/list. Nothing to fix.