whobuildsit — space & defence hardware suppliers

com.whobuildsit/catalogVersion 1.0.0

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

Status

Responds134 msNov 14, 2026, 14:23 UTCAnswered our handshake without sign-in.

Registry data may be out of date

We could not refresh it, so this page shows the last copy.

Last checked: Nov 14, 2026, 14:23 UTC
Latency: 134 ms
Remotes responding: 1 of 1
Sign-in: No sign-in
Hosting: Hosted outside the EU (detected)
Registry data as of: Nov 14, 2026, 22:14 UTC

Data from the official MCP Registry, checked by run.zero. How we check

Connect

Streamable HTTP

https://whobuildsit.com/mcpResponds134 msNov 14, 2026, 14:23 UTC

No sign-in

Claude Code

claude mcp add --transport http catalog https://whobuildsit.com/mcp

Claude Desktop and claude.ai

1
2
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Settings > Connectors > Add custom connector
Name: catalog
Remote MCP server URL: https://whobuildsit.com/mcp

Cursor

{
  "mcpServers": {
    "catalog": {
      "url": "https://whobuildsit.com/mcp"
    }
  }
}

VS Code

code --add-mcp '{"name":"catalog","type":"http","url":"https://whobuildsit.com/mcp"}'

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Tools

7 tools

Tools of whobuildsit — space & defence hardware suppliers
	Description		Read-only	Idempotent	Open world
`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.	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.	Not declared	Yes	Not declared	No
`get_part`All specifications for one part, whether the manufacturer confirmed them, and the supplier.	All specifications for one part, whether the manufacturer confirmed them, and the supplier.	Not declared	Yes	Not declared	No
`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.	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.	Not declared	Yes	Not declared	No
`list_categories`The part tree (segment → assembly → component) with supplier counts. Use to see what the index covers and where it has gaps.	The part tree (segment → assembly → component) with supplier counts. Use to see what the index covers and where it has gaps.	Not declared	Yes	Not declared	No
`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.	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.	No	No	No	Yes
`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.	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.	Not declared	Yes	Not declared	No
`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.	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.	Not declared	Yes	Not declared	No

Details

Registry status: Active
Published: Oct 8, 2026
Updated: Oct 8, 2026
Website: https://whobuildsit.com/ai⁠ (opens in a new tab)
Repository: Not given
Categories (suggested): Search and webSuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR: Not declared

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