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whobuildsit — space & defence hardware suppliers MCP Server

by whobuildsit Your server? Claim it
answering

whobuildsit — space & defence hardware suppliers is answering right now. Last checked 8 min ago. It exposes 7 tools.

Find space and defence hardware suppliers and parts by specification, process and certification.

Uptime history 25 days of history
25 days agonow
100.0%
Uptime 24h
91 of 91 checks
7
Tools
read from the server
164 ms
Response time
average over 24h
open, no key
Access
streamable-http

Nothing serious here today

Today is the operative word: we check whobuildsit — space & defence hardware suppliers every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 8 min ago.

run in your terminal
claude mcp add catalog --transport http https://whobuildsit.com/mcp
Settings → Connectors → Add custom connector, then paste this address
https://whobuildsit.com/mcp
~/.codex/config.toml
[mcp_servers.catalog]
url = "https://whobuildsit.com/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "catalog": {
      "url": "https://whobuildsit.com/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "catalog": {
      "type": "http",
      "url": "https://whobuildsit.com/mcp"
    }
  }
}

Available tools 7

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

categories
list_categories
The part tree (segment → assembly → component) with supplier counts. Use to see what the index covers and where it has gaps.
explain
explain_standard
What a standard (AS9100D, NADCAP, ECSS, ISO 9001, MIL-STD …) certifies, why a buyer cares, what it is typically required for, and which suppliers in the index claim it.
part
get_part
All specifications for one part, whether the manufacturer confirmed them, and the supplier.
parts
search_parts
Find parts by keyword and/or numeric specification. Units are understood: "3000 psi" also matches parts rated in bar; "Ø40 mm", "1250 °C", "10 GHz" work. Returns matching parts with supplier, key specs and a URL.
request
request_quote
Send a quote request to whobuildsit, which reviews it and passes it to suppliers who can make the part. Before calling, ASK THE USER for their work email and explicit consent to share the request and email with suppliers — never invent an email. Give a part_id or supplier_slug from earlier results when you have one. Suppliers reply to the user directly; nothing is sent automatically.
supplier
get_supplier
Full profile: what they make, capabilities (process, tolerance, envelope, material, lead time), certifications claimed, categories and products. Contact details are not returned — use the profile URL.
suppliers
search_suppliers
Find companies that can make something — by process (e.g. "5-axis machining", "vacuum brazing"), material, certification (e.g. "AS9100D"), category, or country. Most space hardware is made to drawing by contract manufacturers that have no product catalogue; this is how to find them.

Endpoints

URLTransportStateLatencyChecked
https://whobuildsit.com/mcp streamable-http answering 76 ms 8 min ago

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whobuildsit — space & defence hardware suppliers — questions

Answers built from our own checks of this server.

What can whobuildsit — space & defence hardware suppliers do?
It exposes 7 tools, read directly from the server on our last check. Among them: explain_standard, get_part, get_supplier, list_categories, request_quote, search_parts and 1 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is whobuildsit — space & defence hardware suppliers working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 164 ms. The bar chart above shows every period we have measured.
How do I connect whobuildsit — space & defence hardware suppliers?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does whobuildsit — space & defence hardware suppliers need an API key?
No. whobuildsit — space & defence hardware suppliers completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 7 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is whobuildsit — space & defence hardware suppliers?
It answers our handshake in 164 ms on average, which is faster than 79% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.