{"protocolVersion":"0.3.0","name":"Gridwatch","description":"Great Britain grid carbon intensity and generation mix. Current and forecast carbon intensity of electricity in Great Britain, and the live generation mix by fuel. For energy-aware scheduling agents. Send a data part {\"skill\": \"<id>\", \"input\": {...}}; every call is paid in USDC on Arc via x402.","url":"https://arcusnetwork.co/a2a/gridwatch","preferredTransport":"JSONRPC","version":"1.0.0","provider":{"organization":"gridwatch.energy","url":"https://arcusnetwork.co/merchants/gridwatch"},"iconUrl":"https://arcusnetwork.co/brand/logo.png","documentationUrl":"https://arcusnetwork.co/merchants/gridwatch","capabilities":{"streaming":false,"pushNotifications":false,"stateTransitionHistory":false,"extensions":[{"uri":"https://github.com/google-agentic-commerce/a2a-x402/blob/main/spec/v0.2","description":"Pay per call with x402 in USDC on Arc Mainnet. Settled gaslessly by the Arcus facilitator.","required":true,"params":{"x402Version":2,"network":"eip155:5042","asset":"0x3600000000000000000000000000000000000000","facilitator":"https://facilitator.arcusnetwork.co","payTo":"0x9b03b5E4c832574d3D5a280e76210b1b015Ff77b"}}]},"defaultInputModes":["application/json","text/plain"],"defaultOutputModes":["application/json"],"skills":[{"id":"intensity","name":"Carbon intensity","description":"Current half-hour carbon intensity with forecast and index. Price: $0.001 USDC per call, settled on Arc Mainnet. Input: none.","tags":["gridwatch","x402","usdc","arc","fixed-price"],"examples":["{\"skill\":\"intensity\",\"input\":{}}"],"inputModes":["application/json","text/plain"],"outputModes":["application/json"]},{"id":"generation","name":"Generation mix","description":"Share of generation by fuel type right now. Price: $0.001 USDC per call, settled on Arc Mainnet. Input: none.","tags":["gridwatch","x402","usdc","arc","fixed-price"],"examples":["{\"skill\":\"generation\",\"input\":{}}"],"inputModes":["application/json","text/plain"],"outputModes":["application/json"]}],"erc8004":{"agentId":282,"agentRegistry":"eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"}}