io.github.mrfentmen/sleeper-mcp
sleeper-mcp
Is the io.github.mrfentmen/sleeper-mcp MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-09.
Sleeper: live NFL season and week state for fantasy football - keyless.
alive probed 2026-11-14 · unchanged since 2026-11-09
- Run it
- npx -y @mrfentmen/sleeper-mcp@1.0.0 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- sleeper-mcp 1.0.0
- Capabilities
- tools
- Instructions
- none
- Of a 1M window
- <0.1 % of a 1M context window
- Count
- 77 tokens in Claude Opus 5.5, exact, measured 2026-11-09. With the Claude Code prefix mcp__…__ on each tool name: 90. The o200k_base estimate is 43. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/mrfentmen/awesome-servers
- Registry
- active, updated 2026-11-08 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.79×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| league_state | 77 | 43 | 100 % |
Compare this server with others.
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
- io.github.mrfentmen/skip-mcp · alive
- io.github.mrfentmen/slack-mcp · alive
- io.github.mrfentmen/slang-mcp · alive
- io.github.mrfentmen/slash-mcp · alive
- io.github.mrfentmen/slice-mcp · alive
- io.github.mrfentmen/smali-mcp · alive
- io.github.mrfentmen/smalltalk-mcp · alive
- io.github.mrfentmen/smartrecruiters-mcp · alive
Servers that mention sleeper.
- Muffed — verified NFL stats and fantasy context ai.muffed/muffed · alive
- Flaim Fantasy app.flaim/mcp · alive
- League Loom com.leagueloom/league-loom · needs auth
- Fantasy Football MCP — Draft, Start/Sit, Waivers com.predictionmarketspicks/fantasy-draft · alive
- Sleeper Hit Studio studio.sleeperhit/podcast-audio-video-production-studio · needs auth
- Sleeper Hit Studio — Public Discovery studio.sleeperhit/public-discovery · alive
- Sleeper Fantasy MCP by UnClick io.github.malamutemayhem/sleeper · alive
- io.github.dachhack/stathead-mcp · alive
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 server answers initialize and tools/list. Nothing to fix.