RFX docs

vendor_sources

Vendor. Every file in your context and its level: published (L2), behind NDA and approval (L3), or never disclosed.

Vendor A vendor key (x-vendor-key)

Arguments

None.

Call it

curl -X POST https://rfx.market/api/vendor_sources \
  -H 'content-type: application/json' \
  -H 'x-vendor-key: <vendor_key>' \
  -d '{}'

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