io.github.entropy0dev/mcp
entropy0
Entropy0 MCP server — source trust and URL safety tools for AI agents
alive probed 2026-10-15
6tools
2.1ktokens in Claude Opus 5.5
2.2ktokens in Claude Code
1.1 %of a 200k context window
1.2ko200k_base estimate
227 msto initialize
7 msto list tools
- Run it
- npx -y @entropy0/mcp@0.1.3 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- entropy0 0.1.0
- Capabilities
- tools
- Instructions
- none
- Claude count
- Claude Opus 5.5, measured 2026-10-15. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/entropy0dev/sdk
- Registry
- active, updated 2026-05-22 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| entropy0_decide_url | 300 | 25 % |
| entropy0_decide_domain | 286 | 24 % |
| entropy0_create_trust_receipt | 199 | 17 % |
| entropy0_filter_urls | 146 | 12 % |
| entropy0_get_fetch_policy | 141 | 12 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.entropy0dev/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.