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Aifinpay MCP Server

@AiFinPay

Basic information

Category

Other

Transports

stdio

Author

AiFinPay

Submitted by

Ai FinPay

About Aifinpay MCP Server

Stripe for AI agents. Pay any HTTP API in stablecoins or native tokens on Polygon and Solana mainnet with one MCP call. Non-custodial, on-chain settlement, atomic 99/1 partner split. Five tools: payable_fetch, agent_address, agent_quote, pay_with_split, quote_split.

Aifinpay MCP Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "aifinpay": {
      "command": "npx",
      "args": [
        "@aifinpay/mcp"
      ],
      "env": {
        "AIFINPAY_MAX_USD": "0.10",
        "AIFINPAY_CHAIN": "auto"
      }
    }
  }
}

Aifinpay MCP Server tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

Fetch the live tool list by running this server in a temporary sandbox using the button above.

Overview

What is Aifinpay?

Aifinpay is a payment rail for autonomous AI agents that enables one-line payment to any x402-protected URL on Polygon or Solana mainnet. It is designed for developers building agentic systems who need non-custodial, on-chain settlement.

How to use Aifinpay?

Install the Python or Node SDK via pip install aifinpay-agent --pre or npm install @aifinpay/agent@alpha. For Claude Desktop or Cursor, configure the MCP server with npx @aifinpay/mcp and optionally set AIFINPAY_AGENT_SECRET and AIFINPAY_MAX_USD environment variables.

Key features of Aifinpay

  • One-line agent.pay() for x402‑gated APIs.
  • Non‑custodial on‑chain settlement on Polygon and Solana.
  • Fee‑on‑top atomic split via AiFinPaySplitter contract.
  • MCP server with five payment tools for LLMs.
  • Framework integrations for OpenAI, LangChain, CrewAI, etc.
  • Live since 2026 with verified mainnet payments.

Use cases of Aifinpay

  • Autonomous agents paying for AI inference APIs (e.g., Llama‑3.3‑70B on io.net).
  • Agents purchasing search results from Exa without human intervention.
  • Self‑funding agent loops that run unattended on AutoGPT.
  • Multi‑agent CrewAI crews buying tools and data as they work.
  • Any AI agent monetizing or gating its own API via x402.

Frequently asked questions

1

What is the x402 protocol?

x402 is a standard for HTTP 402 Payment Required responses; Aifinpay agents automatically sign and pay these.

2

Is it non‑custodial?

Yes, agents hold their own private keys and sign payments directly.

3

Which blockchains are supported?

Polygon (mainnet) with a deployed contract suite, and Solana (

Comments

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