com.onlyharness/registry
SuperSkill Registry
Find, inspect and install reviewed reusable AI-agent capabilities from superskill.sh.
alive probed 2026-10-05 · HTTP 200
12tools
2.8ktokens in Claude Opus 5.5
2.9ktokens in Claude Code
1.4 %of a 200k context window
1.5ko200k_base estimate
1.6 sto initialize
139 msto list tools
- Endpoint
- https://superskill.sh/mcp (streamable-http)
- Host
- superskill.sh
- Protocol
- 2025-11-25
- Reports itself as
- superskill 0.3.1
- Capabilities
- tools
- Instructions
- none
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/elvismusli/onlyharness
- Website
- https://superskill.sh
- Registry
- active, updated 2026-07-27 · registry entry
- Reachable
- 6 of the last 6 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| publish_resource_package | 336 | 22 % |
| resource_use_instructions | 198 | 13 % |
| resource_detail | 188 | 12 % |
| search_resources | 184 | 12 % |
| search_harnesses | 94 | 6 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-05 13:30 | alive | 1.6 s | 12 | 2.8k | 1.5k |
| 2026-10-05 00:18 | alive | 778 ms | 12 | 1.5k | |
| 2026-10-04 09:57 | alive | 3.3 s | 12 | 1.5k | |
| 2026-10-04 07:51 | alive | 2.5 s | 12 | 1.5k | |
| 2026-10-03 20:31 | alive | 2.6 s | 12 | 1.5k | |
| 2026-10-03 17:49 | alive | 694 ms | 12 | 1.5k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/com.onlyharness/registry)
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.