Payagent-mcp Server

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

Local serverstdio

What is the Payagent-mcp Server?

Payagent-mcp is an MCP integration. Pay x402 APIs in USDC on Base, Solana, and BNB Chain with spend mandates, receipts, idempotency.

Packages and local setup

The published npm package is @arispay/payagent-mcp, version 4.0.0. Its declared MCP transport is stdio.

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

Before connecting

Check the maintainer’s instructions for account access, authentication and the supported client configuration. Once connected, inspect the tools your client receives and try a small task that matches the server’s stated purpose. The registry description does not include a verified, complete tool list.

Project and source

View the publisher’s registry entry · Project repository · Project website. This profile uses version 4.0.0 from the registry. Registration identifies the publisher namespace; it does not establish that this is a first-party integration for every service it connects.

Browse related developer tools MCP servers for tools that cover the same kind of work.

Configuration

VariableDescriptionRequired
ARISPAY_API_KEYArisPay developer API key (ap_live_… / ap_test_…). Optional — the create_user tool can self-provision one from just an email, or set PAYAGENT_PRIVATE_KEY to sign locally with no account.Optional
PAYAGENT_PRIVATE_KEYEVM private key for permissionless local signing (zero-signup mode): pay_api signs x402 payments with it directly — no ArisPay account needed. Generate one with npx payagent wallet new. Never sent to any server.Optional