Buyforme Mcp

io.github.stevemiltonPublished by GitHub account stevemiltonv1.0.3Updated Oct 25, 2026

BuyForMe: pay any x402 URL (USD or EUR) with ArisPay delegated custody. Alias of payagent-mcp.

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Overview

AI-generated overview

A local MCP alias that gives an assistant a pay-for-me tool to pay x402-priced URLs through ArisPay delegated-custody wallets.

What you can do
Pay x402-priced URLs (USD or EUR) through ArisPay delegated custody, with per-transaction, daily, monthly and allowed-domain limits enforced server-side. Create and list payment agents and check their balances. Fund agents and check wallet status. Optionally sign x402 payments locally with an EVM private key in zero-signup mode. The proxy passes the upstream server's JSON-RPC stream through unchanged.
When to use it
When an assistant needs to fetch or use resources behind an HTTP 402 paywall and you want spending handled by a custodial wallet with server-side limits rather than keys in your own process.
Requirements
Runs locally via npx (Node.js) over stdio, spawned by an MCP client such as Claude Desktop, Cursor or Windsurf. An ArisPay account or developer API key in ARISPAY_API_KEY, which the create_user tool can self-provision from an email, or an EVM private key in PAYAGENT_PRIVATE_KEY for zero-signup local signing. Network access to ArisPay and the paid URLs.
Before you install
It spends real money: payments are signed and sent to x402 URLs, so set and review spending limits. It handles two secrets, ARISPAY_API_KEY and PAYAGENT_PRIVATE_KEY; the latter is an EVM private key that controls funds, so keep it out of shared configs. Payment details and wallet operations go to ArisPay and Coinbase CDP as third parties.

Installation

In SourceWeft

  1. Open Buyforme Mcp in the dashboard and add it to a workspace.
  2. Enable the server for the chats that should use its tools.

Desktop only via STDIO. STDIO servers start a local process, so they need the SourceWeft desktop host.

Other MCP clients

Follow the launch instructions in the repository.

README

buyforme-mcp

MCP server alias for @arispay/payagent-mcp.

Configure your MCP-capable client (Claude Desktop, Cursor, Windsurf, …) to spawn buyforme-mcp and the model gets a "buy for me" tool that pays any x402-priced URL via ArisPay delegated custody — no private keys in your process.

Claude Desktop / Cursor / Windsurf config

jsonc
{  "mcpServers": {    "buyforme": {      "command": "npx",      "args": ["-y", "buyforme-mcp"]    }  }}

That's identical to using @arispay/payagent-mcp directly — the proxy spawns the upstream server with stdio inherited, so the JSON-RPC stream flows through without inspection or modification.

What you get inside the model

The same MCP tools the upstream server exposes — pay_api, check_wallet, create_agent, fund_agent, get_balance, list_agents — backed by ArisPay's delegated-custody wallets: Coinbase CDP holds the signing key, ArisPay enforces per-tx, daily, monthly, and allowed-domain limits server-side, and signs on the agent's behalf when it hits an HTTP 402.

For the full tool surface, see the @arispay/payagent-mcp README.

Related

  • buyforme — the matching CLI alias (npx buyforme <url>)
  • payagent — the underlying SDK + CLI

License

MIT © Polar Industries Ltd

Source: packages/buyforme-mcp/README.md at commit d495493

Tools

0
SourceWeft has not started this package in its sandbox yet, so its tools are not known.

Version history

1
  1. v1.0.3LatestSep 16, 2026

Score

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  • Reached in the last 30 days25 pts

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  • Auth declared10 pts

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  • Tools listed15 pts

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  • DescriptionRequired15 pts
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