io.github.DeepSleuth/deepsleuth
Deepsleuth
Deterministic, no-LLM security scanner for MCP servers, plus an inline proxy gate.
alive probed 2026-10-19
3tools
≈ 298tokens, estimate
≈ 0.1 %of Claude's 200k window
0.2×the median server
1.0 sto initialize
4 msto list tools
- Run it
- uvx security-scanner-deepsleuth-mcp==1.0.4 (stdio, probed in a container with the network off)
- Host
- pypi.org
- Reports itself as
- deepsleuth 1.0.4
- Capabilities
- tools
- Instructions
- none
- Of a 1M window
- ≈ <0.1 % 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/DeepSleuth/deepsleuth-mcp
- Website
- https://github.com/DeepSleuth/deepsleuth-mcp
- Registry
- active, updated 2026-10-07 · 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 |
|---|---|---|
| scan_target | 131 | 44 % |
| check_listing | 119 | 40 % |
| list_detectors | 48 | 16 % |
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.