Install in a project
Download and inspect the file, then save it to.agents/skills/middleman-buyer/SKILL.md for Codex or .claude/skills/middleman-buyer/SKILL.md for Claude Code. Other agents can read it directly; skill discovery varies by host.
The buyer skill needs no credential for the public read API. Private onboarding uses your authenticated browser and company membership. Supplier API keys are separate and do not unlock buyer operations.
What completion means
Your agent should distinguish a created account, completed onboarding, a saved requirement, a source-backed comparison and any later approved action. It must not describe a dated stock observation as a reservation or a prepared message as sent.Check or resume setup
Verify access and existing progress before changing the connection.
Choose the next playbook
Pick the next useful job for your company.