letagentpay-mcp

MCP server for LetAgentPay — AI agent spending policy middleware. Works with Claude Desktop, Claude Code, Cursor, OpenClaw, and any MCP-compatible client.

Setup

Add to your MCP client config:

{
  "mcpServers": {
    "letagentpay": {
      "command": "npx",
      "args": ["-y", "letagentpay-mcp"],
      "env": {
        "LETAGENTPAY_TOKEN": "agt_xxx"
      }
    }
  }
}

Get your agent token at letagentpay.com or from your self-hosted instance.

Self-hosted

{
  "mcpServers": {
    "letagentpay": {
      "command": "npx",
      "args": ["-y", "letagentpay-mcp"],
      "env": {
        "LETAGENTPAY_TOKEN": "agt_xxx",
        "LETAGENTPAY_API_URL": "http://localhost:8000/api/v1"
      }
    }
  }
}

Tools

Fiat Purchases

| Tool | Description | |------|-------------| | request_purchase | Submit a purchase request for policy evaluation | | check_budget | View current budget, spent, held, and remaining | | list_categories | List valid purchase categories | | my_requests | Check status of a specific purchase request | | list_requests | List purchase requests with optional status filter | | confirm_purchase | Confirm purchase completion (or failure) |

x402 Crypto-Micropayments

| Tool | Description | |------|-------------| | x402_authorize | Authorize an on-chain USDC payment (checks budget, chain, domain) | | x402_report | Report a completed transaction (tx_hash for audit) | | x402_budget | View x402 budget, allowed chains, wallets |

Every request goes through deterministic policy checks: agent status, category, per-request limit, schedule, daily/weekly/monthly limits, total budget, chain whitelist, domain filter, and stablecoin depeg protection.

Environment Variables

| Variable | Required | Default | |----------|----------|---------| | LETAGENTPAY_TOKEN | Yes | — | | LETAGENTPAY_API_URL | No | https://api.letagentpay.com/api/v1 |

SDKs

For programmatic integration without MCP:

• Python: pip install letagentpay
• TypeScript: npm install letagentpay

Links

• LetAgentPay
• GitHub
• OpenClaw Skill

License

MIT