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X402 Payagent MCP Server

local only

X402 Payagent MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 154 installs a week from npm. Last commit 15 Oct 2026.

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

Installs per day peak 58 · avg 22 · +44% w/w
a month agotoday
154
Installs / week
npm · @arispay/payagent-mcp
0
Stars
0 open issues
15 Oct 2026
Last commit
9 releases in 90 days
MIT
License
TypeScript

What the code does

We read the source, 5 d ago · rules 995398eba69f

Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

Package points at a different repository arispay-inc/payagent-mcp
пакет @arispay/payagent-mcp ссылается на arispay-inc/arispay-x402

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

Three servers free · no card

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

run in your terminal
claude mcp add x402-payagent-mcp -- npx -y @arispay/payagent-mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "x402-payagent-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@arispay/payagent-mcp"
      ]
    }
  }
}
~/.codex/config.toml
[mcp_servers.x402-payagent-mcp]
command = "npx"
args = ["-y", "@arispay/payagent-mcp"]
.cursor/mcp.json
{
  "mcpServers": {
    "x402-payagent-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@arispay/payagent-mcp"
      ]
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "x402-payagent-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@arispay/payagent-mcp"
      ]
    }
  }
}

Optional settings from the registry entry, left out of the block above: ARISPAY_API_KEY (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), PAYAGENT_PRIVATE_KEY (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).

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X402 Payagent MCP — questions

Answers built from our own checks of this server.

Why is there no uptime for X402 Payagent MCP?
X402 Payagent MCP runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the npm package @arispay/payagent-mcp was installed 154 times last week.
How do I connect X402 Payagent MCP?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It runs locally, so the command pulls @arispay/payagent-mcp straight from npm; nothing to host, nothing to sign up for.
How many people use X402 Payagent MCP?
The npm package @arispay/payagent-mcp was installed 154 times in the last week. Week over week that is +44%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is X402 Payagent MCP open source?
Yes — it is published under the MIT licence, written in TypeScript and 0 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.