How do I install payagent-mcp?

Pick a client above and copy the generated config. Cursor and VS Code also have a deep link when the server can run locally or remotely.

Is payagent-mcp official?

No. Registry-listed is not the same as vendor-official. Read the methodology for the difference.

How is the trust score calculated?

This listing scores 40 (Fair). The formula is published on the methodology page.

MCPpedia

payagent-mcp MCP Server | MCPpedia

payagent-mcp MCP Server

Name: payagent-mcp MCP Server
Author: arispay-inc

Pay x402 APIs in USDC on Base, Solana, and BNB Chain with spend mandates, receipts, idempotency.

Tools Versions Alternatives

Registryarispay-inc

40Fair

Install

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

{
  "mcpServers": {
    "arispay-inc-payagent-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@arispay/payagent-mcp@4.1.0"
      ],
      "env": {
        "ARISPAY_API_KEY": "YOUR_ARISPAY_API_KEY",
        "PAYAGENT_PRIVATE_KEY": "YOUR_PAYAGENT_PRIVATE_KEY"
      }
    }
  }
}

Install guide

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Environment

Name	Required	Notes
ARISPAY_API_KEY	No	ArisPay developer API key (ap_live_… / ap_test_…). Optional — the setup tool can self-provision one from just an email, or set PAYAGENT_PRIVATE_KEY to sign locally with no account. Secret.
PAYAGENT_PRIVATE_KEY	No	EVM private key for permissionless local signing (zero-signup mode): pay signs x402 payments with it directly — no ArisPay account needed. Generate one with `npx payagent wallet new`. Never sent to any server. Secret.

payagent-mcp MCP Server

Install

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