Mcp C6

stdio

MCP server for C6 Bank — Pix (cob/cobv), DICT keys, Boleto, balance, statement (OAuth2 + mTLS)

Getting Started

npx @getmcp/cli add io.github.codespar/mcp-c6

Requires Node.js 18+. Community-contributed server. Review source before installing.

Claude Desktopguide →Vscodeguide →Cursorguide →Windsurfguide →

Required Environment Variables

C6_CLIENT_ID
C6 OAuth client_id issued via the Developer Portal after contract onboarding.
C6_CLIENT_SECRET
C6 OAuth client_secret.
C6_CERT_PATH
Absolute path to the mTLS client certificate (.crt or .pem). BACEN mandates mTLS for Pix v2.
C6_KEY_PATH
Absolute path to the mTLS private key (.key or .pem).

Configuration

Config file: ~/Library/Application Support/Claude/claude_desktop_config.json

JSON

{
  "mcpServers": {
    "io.github.codespar/mcp-c6": {
      "command": "npx",
      "args": [
        "-y",
        "@codespar/mcp-c6"
      ],
      "env": {
        "C6_CLIENT_ID": "",
        "C6_CLIENT_SECRET": "",
        "C6_CERT_PATH": "",
        "C6_KEY_PATH": "",
        "C6_ENV": ""
      }
    }
  }
}

Claude Desktop MCP documentation