{"name":"onyx_browser_screenshot","tier":"metered","price_usdc":"0.008","endpoint":"https://onyx-actions.onrender.com/v1/onyx_browser_screenshot","method":"POST","input_schema":{"type":"object","properties":{"format":{"type":"string","enum":["png","jpeg"],"default":"png"},"full_page":{"type":"boolean","default":false,"description":"Capture full scrollable page or just viewport"}}},"description":"Capture a PNG screenshot of the current CDP-controlled Chrome page and return it as base64. Use to feed a vision-LLM (Claude / GPT-4V) for screen-understanding agents, or to archive an action's visual result. Returns also the page title, URL, and viewport dimensions. Cap of 1MB returned. Demo mode returns a synthetic 1×1 PNG; self-host with ONYX_CDP_URL for real captures.","when_to_use":null,"vs_alternatives":null,"example_request":null,"example_response":null,"settle_to":"0x3fD9ee1373562f894D322B37DFFAd7a5D2b2d78f","network":"base","facilitator":"https://facilitator.xpay.sh","payment_required":true,"free_introspection":true,"note":"GET this URL = free introspection card. POST with x402 payment header to call."}