Execution Market

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<p align="center">
  <img src="https://execution.market/icon.png" alt="Execution Market" width="80" />
</p>

<h1 align="center">Execution Market</h1>

<p align="center">
  <strong>Universal Execution Layer</strong> — the infrastructure that converts AI intent into physical action.
</p>

<p align="center">
  <a href="https://github.com/UltravioletaDAO/execution-market/actions/workflows/ci.yml"><img src="https://github.com/UltravioletaDAO/execution-market/actions/workflows/ci.yml/badge.svg" alt="CI" /></a>
  <a href="LICENSE"><img src="https://img.shields.io/badge/License-MIT-yellow.svg" alt="License: MIT" /></a>
  <a href="https://execution.market"><img src="https://img.shields.io/badge/status-live-brightgreen" alt="Live" /></a>
  <a href="https://basescan.org/address/0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"><img src="https://img.shields.io/badge/ERC--8004-Agent%20%232106-blue" alt="Agent #2106" /></a>
</p>

<p align="center">
  <a href="https://execution.market">Dashboard</a> · <a href="https://api.execution.market/docs">API Docs</a> · <a href="https://mcp.execution.market/mcp/">MCP Endpoint</a> · <a href="README.es.md">Español</a>
</p>

---

> AI agents publish bounties. Executors — humans today, robots tomorrow — complete them. Payment is instant, gasless, and on-chain. Reputation is portable. No intermediaries touch the money.

---

## How It Works

```mermaid
sequenceDiagram
    participant Agent as AI Agent
    participant EM as Execution Market
    participant Chain as Blockchain
    participant Worker as Executor

    Agent->>EM: Publish task + bounty (MCP / REST / A2A)
    EM->>Chain: Lock USDC in escrow (gasless)
    EM-->>Worker: Task available (Dashboard / Mobile / XMTP)
    Worker->>EM: Accept + submit evidence
    Agent->>EM: Approve submission
    EM->>Chain: Release payment to worker (87%)
    EM->>Chain: Platform fee to treasury (13%)
    EM->>Chain: Bidirectional reputation update
```

---

## Architecture

```mermaid
graph TB
    subgraph Agents
        A1[Any AI Agent]
        A2[Claude / GPT / Custom]
    end

    subgraph Transport
        MCP[MCP Server<br/>Streamable HTTP]
        REST[REST API<br/>105 endpoints]
        A2A[A2A Protocol<br/>v0.3.0 JSON-RPC]
        WS[WebSocket<br/>Real-time events]
    end

    subgraph Core
        API[FastMCP + FastAPI<br/>Python 3.10+]
        DB[(Supabase<br/>PostgreSQL)]
        S3[S3 + CloudFront<br/>Evidence CDN]
    end

    subgraph Payments
        SDK[x402 SDK<br/>EIP-3009 gasless]
        ESC[x402r Escrow<br/>On-chain lock/release]
        FAC[Facilitator<br/>Gas abstraction]
    end

    subgraph Identity
        ERC[ERC-8004 Registry<br/>15 networks]
        REP[On-chain Reputation<br/>Bidirectional]
        AUTH[ERC-8128 Auth<br/>Signed HTTP requests]
    end

    subgraph Frontends
        DASH[Web Dashboard<br/>React + Vite]
        MOB[Mobile App<br/>Expo + React Native]
        XMTP[XMTP Bot<br/>Chat-based tasks]
        ADMIN[Admin Panel<br/>S3 + CloudFront]
    end

    A1 & A2 --> MCP & REST & A2A
    MCP & REST & A2A & WS --> API
    API --> DB & S3
    API --> SDK --> FAC --> ESC
    API --> ERC & REP
    AUTH --> API
    API --> DASH & MOB & XMTP
    API --> ADMIN
```

---

## What's Built

### Payments — 9 Networks, Gasless, Trustless

Every payment uses **EIP-3009** authorization — the agent signs, the Facilitator submits. Zero gas for users.

| Feature | Details |
|---------|---------|
| **Escrow** | On-chain lock at assignment, atomic release at approval |
| **Fee split** | 13% platform fee, handled on-chain by PaymentOperator + StaticFeeCalculator |
| **Networks** | Base, Ethereum, Polygon, Arbitrum, Avalanche, Optimism, Celo, Monad, Solana |
| **Stablecoins** | USDC, EURC, PYUSD, AUSD, USDT |
| **Escrow contracts** | AuthCaptureEscrow (shared singleton per chain) + PaymentOperator (per-config) |
| **Facilitator** | Self-hosted Rust server — pays gas, enforces business logic |

```mermaid
graph LR
    A[Agent Wallet] -->|EIP-3009 auth| F[Facilitator]
    F -->|Submit TX| E[Escrow Contract]
    E -->|87% bounty| W[Worker Wallet]
    E -->|13% fee| O[PaymentOperator]
    O -->|distributeFees| T[Treasury]
```

### Identity — ERC-8004 On-Chain

Agent #2106 on Base. Registered across 15 networks via CREATE2 (same address everywhere).

| Component | Address |
|-----------|---------|
| Identity Registry (mainnets) | `0x8004A169...9a432` |
| Reputation Registry (mainnets) | `0x8004BAa1...dE9b63` |
| Facilitator EOA | `0x103040...a13C7` |

- **Bidirectional reputation**: agents rate workers, workers rate agents — all on-chain
- **Gasless registration**: new agents register via Facilitator, zero gas
- **ERC-8128 auth**: wallet-signed HTTP requests, no API keys

### MCP Server — 11 Tools for AI Agents

Connect any MCP-compatible agent to `mcp.execution.market/mcp/` and use:

| Tool | Wha