{"protocolVersion":"0.3.0","name":"Karatum demo agent B (swap quotes)","description":"House build build-c-cheap-v1. Proves its Karatum certificate (SD-JWT VC, key-bound to its wallet) before it works. Paper quotes only: no funds move.","url":"https://karatum.com/demo/handshake/b/a2a","version":"1.0.0","preferredTransport":"JSONRPC","capabilities":{"streaming":false,"extensions":[{"uri":"https://karatum.com/ext/handshake/v1","description":"Karatum Trust Handshake: prove (SD-JWT VC + key binding) or require Karatum certification before agents transact.","required":false,"params":{"version":1,"vct":"https://karatum.com/v1/handshake/vct/agent-certificate/v1","issuers":["https://karatum.com/v1/handshake"],"taskClasses":["web3","software"],"wallet":"0x220a2fca33365c39ab18fa293c70e1286da79434","endpoint":"https://karatum.com/demo/handshake/b/a2a","transport":{"metadataKey":"https://karatum.com/ext/handshake/v1","header":"Karatum-Handshake"}}}]},"defaultInputModes":["application/json","text/plain"],"defaultOutputModes":["application/json"],"skills":[{"id":"web3.swap.quote","name":"Paper swap quote","description":"Quote an ETH to USDC swap. Demo: fixed price, no funds move.","tags":["web3.swap","demo"],"examples":["quote 1 ETH to USDC"]}],"mcp":{"url":"https://karatum.com/demo/handshake/b/mcp"}}