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mcp-circle

local MCP server

mcp-circle is a local MCP server: MCP server for Circle — USDC payments, wallets, payouts, transfers. Install it from npm as @codespar/mcp-circle.

Installation

Terminal

claude mcp add mcp-circle -e CIRCLE_API_KEY=... -- npx -y @codespar/mcp-circle

Run in your project folder. Add --scope user to use it everywhere.

Claude Desktop, Cursor & other clients

Add to claude_desktop_config.json or .cursor/mcp.json.

{
  "mcpServers": {
    "mcp-circle": {
      "command": "npx",
      "args": [
        "-y",
        "@codespar/mcp-circle"
      ],
      "env": {
        "CIRCLE_API_KEY": "..."
      }
    }
  }
}

Fill in the environment variables with your own credentials.

What you need

  • Runtime: Node.js 18+ (runs with npx).
  • MCP client: Claude Code, Codex, Antigravity, Claude Desktop, Cursor or any other client that speaks MCP over stdio.
  • Environment variables: CIRCLE_API_KEY

Summary

MCP server for Circle — USDC payments, wallets, payouts, transfers

mcp-circle vs similar servers

ServerStarsTypeAPI keyRuntime
mcp-circle271LocalYesnpm
mcp-paypal271LocalYesnpm
mcp-airwallex271LocalYesnpm
mcp-celcoin271LocalYesnpm
mcp-coinbase-cdp271LocalYesnpm

Questions

It reads one environment variable: CIRCLE_API_KEY. Set them in your MCP config before starting the server.

Node.js 18+ (runs with npx), plus an MCP client such as Claude Code, Codex, Claude Desktop or Cursor.

mcp-circle is a local MCP server distributed as the npm package @codespar/mcp-circle.

Run: claude mcp add mcp-circle -e CIRCLE_API_KEY=... -- npx -y @codespar/mcp-circle

Run: codex mcp add mcp-circle --env CIRCLE_API_KEY=... -- npx -y @codespar/mcp-circle

Similar MCP servers

NameStars
  1. mcp-paypalio.github.codespar/mcp-paypal271
  2. mcp-airwallexio.github.codespar/mcp-airwallex271
  3. mcp-celcoinio.github.codespar/mcp-celcoin271
  4. mcp-coinbase-cdpio.github.codespar/mcp-coinbase-cdp271
  5. mcp-dlocalio.github.codespar/mcp-dlocal271
  6. mcp-ebanxio.github.codespar/mcp-ebanx271
  7. mcp-stoneio.github.codespar/mcp-stone271
  8. mcp-unblockpayio.github.codespar/mcp-unblockpay271