com.whobuildsit/catalog
whobuildsit — space & defence hardware suppliers
Find space and defence hardware suppliers and parts by specification, process and certification.
alive probed 2026-10-09 · HTTP 200
7tools
1.6ktokens in Claude Opus 5.5
1.6ktokens in Claude Code
0.8 %of a 200k context window
875o200k_base estimate
647 msto initialize
548 msto list tools
- Endpoint
- https://whobuildsit.com/mcp (streamable-http)
- Host
- whobuildsit.com
- Protocol
- 2025-11-25
- Reports itself as
- whobuildsit 1.0.0
- Capabilities
- tools
- Instructions
- 768 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-09. Counted again when the tool definitions change. Method.
- Website
- https://whobuildsit.com/ai
- Registry
- active, updated 2026-10-08 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| request_quote | 294 | 34 % |
| search_suppliers | 178 | 20 % |
| search_parts | 147 | 17 % |
| explain_standard | 79 | 9 % |
| get_supplier | 76 | 9 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/com.whobuildsit/catalog)
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.