payagent-mcp

Add crypto payments to Claude, Cursor, and any MCP-compatible AI client.

Quick Start

1. Get your API keys

Register at payagent.co and complete X verification to receive your API_KEY_ID and API_SECRET.

2. Add to Claude Desktop

Edit ~/Library/Application Support/Claude/claude_desktop_config.json:

{
  "mcpServers": {
    "payagent": {
      "command": "npx",
      "args": ["-y", "payagent-mcp"],
      "env": {
        "PAYAGENT_API_KEY": "your-api-key-id",
        "PAYAGENT_API_SECRET": "your-api-secret"
      }
    }
  }
}

Restart Claude Desktop. Done.

3. Use it

Ask Claude:

• "Create a payment link for 5 USDC on Base"
• "Check the status of REQ-ABC123"
• "What's my wallet balance?"
• "Send 1 USDC to 0x..."

Available Tools

| Tool | Description | |------|-------------| | create_payment_link | Create a payment request link | | check_payment_status | Check if a payment has been completed | | get_wallet_balance | Query wallet balances on-chain | | withdraw_funds | Send funds to an external address | | list_payments | List recent payment requests | | get_fee_estimate | Calculate fees before paying | | pay_payment_link | Pay a payment request from agent wallet |

Environment Variables

| Variable | Required | Description | |----------|----------|-------------| | PAYAGENT_API_KEY | Yes | Your API key ID | | PAYAGENT_API_SECRET | Yes | Your API secret | | PAYAGENT_API_URL | No | API base URL (defaults to production) |

License

MIT