{"name":"Prokura Authority","description":"Prokura Authority issues and checks demo Prokura Credentials for agentic payments. Operated by Fynteq, Frankfurt am Main. Demo authentication: none. The interface is MCP streamable HTTP, not an A2A task endpoint. A payment still requires a human grant and a decision from the Prokura gate.","supportedInterfaces":[{"url":"https://prokura.network/mcp","protocolBinding":"MCP","protocolVersion":"2025-03-26"}],"provider":{"organization":"Prokura Network","url":"https://prokura.network"},"version":"0.1.0","documentationUrl":"https://prokura.network/llms.txt","capabilities":{"streaming":true,"pushNotifications":false,"extendedAgentCard":false,"extensions":[{"uri":"https://prokura.network/docs/agent-policy","description":"MCP streamable HTTP at /mcp. Tool names use [a-zA-Z0-9_-]. Demo auth is none. Payments still require a human mandate. Header Agent-Policy: mandates-required-for-payments is a Prokura convention, not a standard.","required":true,"params":{"tools":["prokura_request_mandate","prokura_check","prokura_pay","prokura_evidence","prokura_mandate","store_catalog","store_quote"]}}]},"securityRequirements":[],"defaultInputModes":["text/plain","application/json"],"defaultOutputModes":["application/json","text/plain"],"skills":[{"id":"request_mandate","name":"Request a mandate","description":"Ask a human for a demo Prokura Credential. The MCP tool prokura_request_mandate returns a grant URL and a QR code. It never returns a mandate.","tags":["mandate","authority"],"examples":["Request authority to spend 50.00 EUR on the demo store"]},{"id":"check","name":"Check a payment","description":"Ask the Prokura gate whether a payment would be allowed. Nothing is paid. MCP tool: prokura_check.","tags":["gate"],"examples":["Would 12.00 EUR to the demo store be allowed?"]},{"id":"pay","name":"Pay","description":"Submit a payment intent. The gate decides allow, step_up or deny. Only an allow is executed. MCP tool: prokura_pay.","tags":["payment"],"examples":["Pay 12.00 EUR to the demo store for software"]},{"id":"evidence","name":"Evidence","description":"Fetch a Nachweis, or the evidence records of a mandate. MCP tool: prokura_evidence.","tags":["evidence","nachweis"],"examples":["Show the evidence for this mandate"]},{"id":"verify","name":"Verify","description":"Verify a Nachweis offline from its hash chain and the server signature. This agent does not verify on the caller's behalf. The procedure is in /llms.txt.","tags":["verify"],"examples":["How do I verify this Nachweis without trusting the server?"]}]}