io.github.mrfentmen/commoncrawl-mcp
commoncrawl-mcp
Use this MCP server to Common Crawl index discovery for historical web captures. Tools include...
alive probed 2026-10-14
3tools
501tokens in Claude Opus 5.5
546tokens in Claude Code
0.3 %of a 200k context window
270o200k_base estimate
253 msto initialize
6 msto list tools
- Run it
- npx -y commoncrawl-mcp@1.0.1 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- commoncrawl-mcp 1.0.0
- Capabilities
- tools
- Instructions
- none
- Claude count
- Claude Opus 5.5, measured 2026-10-14. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/mrfentmen/commoncrawl-mcp
- Registry
- active, updated 2026-09-21 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| search_captures | 169 | 63 % |
| list_indexes | 51 | 19 % |
| latest_index | 50 | 19 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.mrfentmen/commoncrawl-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.