Circle MCP Server

by codespario.github.codespar/mcp-circlev0.2.2

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

272Node.jsstdioofficial registry

context tax

queued

security

queued

cold start

queued

freshness

Active13d ago

Install Circle MCP server

claude mcp add circle -e CIRCLE_API_KEY='<circle-api-key>' -- npx -y @codespar/mcp-circle

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

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

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

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "circle": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@codespar/mcp-circle"
      ],
      "env": {
        "CIRCLE_API_KEY": "<circle-api-key>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

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

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
CIRCLE_API_KEY	yes	yes	API key for circle

Freshness

Active — last maintenance signal 13d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-09-27 · 13d ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-06-22 · 4mo ago · official registry · v0.2.2

FAQ

›How do I install the Circle MCP server in Claude Code?

Run: claude mcp add circle -e CIRCLE_API_KEY='<circle-api-key>' -- npx -y @codespar/mcp-circle. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Circle require an API key?

Yes. It expects CIRCLE_API_KEY, of which 1 is a secret.

›Can I use Circle as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is Circle in the official MCP registry?

Yes, as io.github.codespar/mcp-circle.