io.fairseal/mcp-server
fairseal-mcp-server
Verifiable entropy, provably-fair games, and receipt verification for AI agents (FairSeal API).
alive probed 2026-10-14
16tools
3.6ktokens in Claude Opus 5.5
3.8ktokens in Claude Code
1.8 %of a 200k context window
2.0ko200k_base estimate
399 msto initialize
17 msto list tools
- Run it
- npx -y @fairseal/mcp-server@0.2.4 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- fairseal-mcp-server 0.2.4
- 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/ned-del/fairseal
- Website
- https://fairseal.io
- Registry
- active, updated 2026-09-30 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| fairseal_notarize_decision | 352 | 18 % |
| fairseal_sicbo_bet | 225 | 11 % |
| fairseal_anchor_submit | 210 | 11 % |
| fairseal_dice_bet | 162 | 8 % |
| fairseal_notarize_status | 127 | 6 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.fairseal/mcp-server)
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.