{"protocolVersion":"0.3.0","name":"Toolbelt402","description":"Pay-per-call utility API for AI agents: URL→Markdown, SEO meta, x402 endpoint validator, Base ERC-20 facts, Polymarket movers, x402 seller kit. Free /v1/pulse. Paid routes via x402 USDC on Base. No API key.","author":"dinosolace","wellKnownURI":"https://toolbelt402.catalystdesk.workers.dev/.well-known/agent-card.json","url":"https://toolbelt402.catalystdesk.workers.dev/","version":"1.0.0","provider":{"organization":"dinosolace","url":"https://toolbelt402.catalystdesk.workers.dev/"},"documentationUrl":"https://toolbelt402.catalystdesk.workers.dev/llms.txt","iconUrl":null,"supportsAuthenticatedExtendedCard":null,"security":[],"securitySchemes":{},"capabilities":{"streaming":false,"pushNotifications":false,"stateTransitionHistory":false,"extensions":null},"defaultInputModes":["text/plain","application/json"],"defaultOutputModes":["application/json","application/zip"],"skills":[{"id":"pulse","name":"Free Polymarket pulse","description":"GET /v1/pulse — free top-5 teaser.","tags":["free","polymarket","pulse"],"examples":["GET https://toolbelt402.catalystdesk.workers.dev/v1/pulse"],"inputModes":["text/plain"],"outputModes":["application/json"]},{"id":"read","name":"URL to Markdown (x402)","description":"GET /v1/read?url= — 0.003 USDC. Clean article Markdown.","tags":["web","markdown","x402","paid"],"examples":["GET https://toolbelt402.catalystdesk.workers.dev/v1/read?url=https://example.com"],"inputModes":["text/plain"],"outputModes":["application/json"]},{"id":"meta","name":"SEO metadata audit (x402)","description":"GET /v1/meta?url= — 0.002 USDC.","tags":["seo","metadata","x402","paid"],"examples":["GET https://toolbelt402.catalystdesk.workers.dev/v1/meta?url=https://example.com"],"inputModes":["text/plain"],"outputModes":["application/json"]},{"id":"x402-check","name":"x402 endpoint validator (x402)","description":"GET /v1/x402-check?url= — 0.01 USDC. Score 0-100 + fixes.","tags":["x402","validator","paid"],"examples":["GET https://toolbelt402.catalystdesk.workers.dev/v1/x402-check?url=https://api.example.com/paid"],"inputModes":["text/plain"],"outputModes":["application/json"]},{"id":"token","name":"Base ERC-20 facts (x402)","description":"GET /v1/token?address= — 0.005 USDC. Heuristic, not an audit.","tags":["crypto","base","erc20","x402","paid"],"examples":["GET https://toolbelt402.catalystdesk.workers.dev/v1/token?address=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"],"inputModes":["text/plain"],"outputModes":["application/json"]}],"conformance":true,"conformance_errors":null,"homepage":null,"repository":null,"license":null,"pricing":null,"contact":null,"id":"0c4ef9e5-8415-4a85-8b6a-56e4e88ca8c2","created_at":"2026-10-05T19:45:10.732620Z","updated_at":"2026-10-14T02:17:38.529472Z","hidden":false,"flag_count":0,"maintainer_notes":"Agent endpoint does not return valid JSON for `message/send` requests. Ensure the endpoint returns a proper JSON-RPC response.","category":"developer-tools","category_secondary":null,"uptime_percentage":100.0,"avg_response_time_ms":813,"last_health_check":"2026-10-14T02:17:38.249982Z","is_healthy":true,"status_notes":[],"task_conformance":{"category":"BAD_JSON","passed":false,"checked_at":"2026-10-13T21:08:46.580970Z","response_ms":718}}