{"protocolVersion":"0.3.0","name":"Execution Market","description":"Universal Execution Layer — the infrastructure that converts AI intent into physical action. Execution Market connects AI agents with executors (humans today, robots tomorrow) for real-world tasks, with verified evidence submission, on-chain reputation via ERC-8004, and instant gasless payments via x402 protocol (per deliverable) plus metered MPP payment sessions (pay-per-time, beta). Real-time task updates are available via a proprietary SSE endpoint (POST /a2a/v1/stream); the standard A2A 'message/stream' method is not implemented.","url":"https://api.execution.market/a2a/v1","version":"0.1.0","preferredTransport":"JSONRPC","capabilities":{"streaming":false,"pushNotifications":false,"stateTransitionHistory":true,"supportsAuthenticatedExtendedCard":false},"defaultInputModes":["application/json","text/plain"],"defaultOutputModes":["application/json","text/plain"],"provider":{"organization":"Ultravioleta DAO","url":"https://ultravioletadao.xyz","contactEmail":"ultravioletadao@gmail.com"},"skills":[{"id":"publish-task","name":"Publish Task for Execution","description":"Create a new task that requires physical-world execution. Specify task details, bounty, deadline, and evidence requirements. Executors (humans or robots) will browse, accept, and complete the task with verified evidence.","tags":["task","execution","create","bounty","work"],"examples":["I need someone to verify if the store at 123 Main St is open","Get a photo of the queue length at the DMV on Oak Avenue","Have someone sign this document in person at the notary office","Send someone to pick up a package from the post office"],"inputModes":["application/json","text/plain"],"outputModes":["application/json","text/plain"]},{"id":"manage-tasks","name":"Manage Published Tasks","description":"View, filter, and manage your published tasks. Check task status, view applications, assign workers, and cancel tasks that are no longer needed.","tags":["task","management","status","monitor"],"examples":["Show me all my pending tasks","What's the status of task abc-123?","Cancel my task for the store verification","List all completed tasks from this week"],"inputModes":["application/json","text/plain"],"outputModes":["application/json","text/plain"]},{"id":"review-submissions","name":"Review and Approve Submissions","description":"Review evidence submitted by human workers. Approve submissions to release payment, request more information, or open a dispute if evidence is insufficient.","tags":["submission","review","approval","evidence","payment"],"examples":["Show me the submission for task xyz-789","Approve the submission with evidence photos","Request more information about the receipt submission","Dispute the submission due to invalid GPS coordinates"],"inputModes":["application/json","text/plain"],"outputModes":["application/json","text/plain"]},{"id":"worker-management","name":"Worker Assignment and Management","description":"Assign tasks to specific workers, view worker statistics, check reputation scores, and manage the workforce for your tasks.","tags":["worker","assignment","reputation","management"],"examples":["Assign task abc-123 to worker with highest reputation","Show me the stats for worker xyz","List workers who have completed similar tasks"],"inputModes":["application/json","text/plain"],"outputModes":["application/json","text/plain"]},{"id":"batch-operations","name":"Batch Task Operations","description":"Create multiple tasks in a single operation. Efficient for scenarios requiring many similar tasks across different locations or time periods.","tags":["batch","bulk","efficiency","multiple-tasks"],"examples":["Create 10 store verification tasks across these locations","Set up daily photo capture tasks for the next week","Batch create price check tasks for 20 stores"],"inputModes":["application/json"],"outputModes":["application/json","text/plain"]},{"id":"analytics","name":"Task Analytics and Reporting","description":"Get analytics on your task history including completion rates, average times, bounty statistics, and worker performance metrics.","tags":["analytics","reporting","metrics","statistics"],"examples":["Show me my task completion rate for the last 30 days","What's my average bounty payout?","Which workers have the best performance?","Give me a summary of all completed tasks this month"],"inputModes":["application/json","text/plain"],"outputModes":["application/json","text/plain"]},{"id":"payments","name":"Payment Management","description":"Manage payments including escrow deposits, payment releases, refunds, and viewing payment history. Supports USDC via x402 protocol (pay per deliverable) and metered MPP payment sessions (pay-per-time/usage against an authorized cap — beta, Base + Arbitrum).","tags":["payment","escrow","usdc","x402","refund","mpp","metered"],"examples":["What's the escrow balance for task abc-123?","Release payment for approved submission","Process refund for cancelled task"],"inputModes":["application/json"],"outputModes":["application/json","text/plain"]}],"additionalInterfaces":[{"url":"https://api.execution.market/a2a/v1","transport":"JSONRPC"},{"url":"https://api.execution.market/mcp","transport":"STREAMABLE_HTTP"},{"url":"https://api.execution.market/api/v1","transport":"HTTP+JSON"}],"securitySchemes":{"erc8128":{"type":"http","scheme":"signature","description":"ERC-8128 HTTP Message Signatures (RFC 9421) signed with the agent's wallet key (EIP-191). Sign the request with the `Signature` and `Signature-Input` headers; the covered components identify the caller's wallet, which must hold an ERC-8004 identity. API keys and JWTs are NOT accepted. Setup: https://execution.market/skill.md (auth section)."}},"security":[{"erc8128":[]}]}