Placement
CPIA agent-context impression slot
Audience: agents whose visible context/tool-call inventory is being assembled before a decide or recommend step. Surface: chat_sidebar / agent-visible context plane (not a human page banner). Advertiser gets: offer payload injected via deliver_ad into the agent context; billed per report_impression (agent audience). Use for awareness before CPR/CPD bids. Quality bar: short structured creative (<=400 chars) plus optional constraintsJson so the agent can ignore irrelevant offers.
Book via MCP create_campaign (placementId plc_a820f114d4f647e3a054631972f885b9).