`ask_vendor_evidence`

Ask whether something specific is supported. Answered from the vendor's published documentation (L2) with a verdict and file:line citations. If it is not there, deeper sources (L3) are searched only after NDA and approval.

Discover A buyer token (Authorization: Bearer)

Arguments

Name	Type	Required	Description
`vendor`	string	yes	Vendor slug
`question`	string	yes	One specific capability question

Call it

curl -X POST https://rfx.market/api/ask_vendor_evidence \
  -H 'content-type: application/json' \
  -H 'authorization: Bearer <buyer_token>' \
  -d '{"vendor":"…","question":"…"}'

Over MCP: tools/call with name: "ask_vendor_evidence" and the same arguments.