io.github.nauman/builtonrails
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alive probed 2026-10-05 · HTTP 200
18tools
7.0ktokens in Claude Opus 5.5
7.1ktokens in Claude Code
3.5 %of a 200k context window
4.1ko200k_base estimate
1.6 sto initialize
589 msto list tools
- Endpoint
- https://builtonrails.com/mcp/sse (sse)
- Host
- builtonrails.com
- Reports itself as
- builtonrails 1.0.0
- Capabilities
- resources, tools
- Instructions
- none
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Website
- https://builtonrails.com
- Registry
- active, updated 2026-08-31 · registry entry
- Reachable
- 5 of the last 6 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| my_product | 488 | 12 % |
| admin_sponsors | 452 | 11 % |
| admin_newsletters | 429 | 11 % |
| admin_changelog | 341 | 8 % |
| submit_product | 321 | 8 % |
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 15:22 | alive | 1.6 s | 18 | 7.0k | 4.1k |
| 2026-10-05 00:43 | alive | 1.8 s | 18 | 4.1k | |
| 2026-10-04 10:06 | alive | 4.0 s | 18 | 4.1k | |
| 2026-10-04 07:59 | alive | 3.9 s | 18 | 4.1k | |
| 2026-10-03 20:39 | alive | 3.1 s | 18 | 4.1k | |
| 2026-10-03 17:54 | timeout |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.nauman/builtonrails)
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.