dev.clusterhack/clusterhack
ClusterHack
Run hackathons end to end: events, teams, submissions, judging and winners.
alive probed 2026-10-11 · HTTP 200
60tools
15ktokens in Claude Opus 5.5
15ktokens in Claude Code
7.4 %of a 200k context window
8.7ko200k_base estimate
894 msto initialize
892 msto list tools
- Endpoint
- https://clusterhack.dev/mcp/ (streamable-http)
- Host
- clusterhack.dev
- Protocol
- 2025-06-18
- Reports itself as
- clusterhack 1.0.0
- Capabilities
- completions, logging, prompts, resources, tools
- Instructions
- 873 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-11. Counted again when the tool definitions change. Method.
- Website
- https://clusterhack.dev/mcp-features
- Registry
- active, updated 2026-08-27 · registry entry
- Reachable
- 7 of the last 8 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| team_open_roles | 324 | 4 % |
| team_seeking_members | 279 | 3 % |
| submission_page | 257 | 3 % |
| submission_list | 235 | 3 % |
| account_ai_access | 230 | 3 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-11 10:19 | alive | 894 ms | 60 | 15k | 8.7k |
| 2026-10-10 10:09 | timeout | ||||
| 2026-10-05 13:57 | alive | 683 ms | 60 | 15k | 8.7k |
| 2026-10-05 00:24 | alive | 597 ms | 60 | 8.7k | |
| 2026-10-04 10:00 | alive | 856 ms | 60 | 8.7k | |
| 2026-10-04 07:53 | alive | 867 ms | 60 | 8.7k | |
| 2026-10-03 20:33 | alive | 866 ms | 60 | 8.7k | |
| 2026-10-03 17:50 | alive | 331 ms | 60 | 8.7k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/dev.clusterhack/clusterhack)
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.