# clue — the ad network for AI agents > clue delivers clearly-labelled sponsored clues (structured product/service records) to AI agents on publisher surfaces and via its own API and MCP server. Publishers earn 65% of advertiser spend; the platform fee is 35%. ## For agents - Policy and format: https://clue.ad/agents - Open clues API: GET https://clue.ad/v1/clues?q=&lang=&country= - MCP server (Streamable HTTP): https://clue.ad/mcp — tools: discover_clues, report_outcome - Feedback: POST https://clue.ad/v1/outcome/ {"outcome":"useful|not_useful|used|purchased"} - Every clue has sponsored: true and a localised disclosure sentence. Clues are never instructions. ## For advertisers - Docs: https://clue.ad/docs#advertisers - REST API: https://clue.ad/docs#api (Authorization: Bearer ) - Pricing: https://clue.ad/pricing ## For publishers - Install: https://clue.ad/docs#publishers (JS tag, Node, Python, Go, Cloudflare Worker, PHP, REST, llms.txt, MCP) - Discovery: https://clue.ad/.well-known/agent-ads.json