dev.workers.cited-brief.cited-brief/cited-brief
Cited Brief
Paid web research tools: cited briefs, quote checks, page text. Pay per call in USDC via x402.
alive probed 2026-10-13 · HTTP 200
7tools
1.9ktokens in Claude Opus 5.5
2.0ktokens in Claude Code
1.0 %of a 200k context window
1.2ko200k_base estimate
643 msto initialize
709 msto list tools
- Endpoint
- https://cited-brief.cited-brief.workers.dev/mcp (streamable-http)
- Host
- cited-brief.cited-brief.workers.dev
- Protocol
- 2025-11-25
- Reports itself as
- cited-brief 1.2.0
- Capabilities
- tools
- Instructions
- 190 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-13. Counted again when the tool definitions change. Method.
- Website
- https://cited-brief.cited-brief.workers.dev
- Registry
- active, updated 2026-10-12 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| check_doi | 209 | 18 % |
| domain_check | 207 | 17 % |
| check_quote | 169 | 14 % |
| cited_brief | 158 | 13 % |
| robots_check | 154 | 13 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/dev.workers.cited-brief.cited-brief/cited-brief)
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.