How do I install the Brex (npx) MCP server?

You can install the Brex (npx) MCP server with one click using McpMux. Download the free McpMux desktop app from mcpmux.com/download, open it, find Brex (npx) in the server registry, and click Install. McpMux automatically configures the server for your AI client — whether it's Cursor, Claude Desktop, VS Code, ChatGPT, Windsurf, or JetBrains. Note: This server requires an API key.

Which AI clients support the Brex (npx) MCP server?

The Brex (npx) MCP server works with all MCP-compatible AI clients including Cursor, Claude Desktop, Claude Code, VS Code (GitHub Copilot), ChatGPT, Windsurf, JetBrains IDEs, Zed, Cline, Gemini CLI, and Amazon Q Developer. McpMux acts as a universal gateway — configure Brex (npx) once and all your AI clients can use it.

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Brex (npx) MCP Server

Community

Contributed by dennisonbertram

Connect to the Brex API to query accounts, transactions, expenses, budgets, spend limits, and statements, plus write operations like uploading and matching receipts. Runs locally via npx.

Install with McpMux Source Code

About the Brex (npx) MCP Server

The Brex (npx) MCP server is a local (stdio) Model Context Protocol server available in the McpMux registry. Connect to the Brex API to query accounts, transactions, expenses, budgets, spend limits, and statements, plus write operations like uploading and matching receipts. Runs locally via npx. This is a community-contributed MCP server by dennisonbertram.

Install the Brex (npx) MCP server with one click using McpMux. It works with Cursor, Claude Desktop, Claude Code, VS Code, ChatGPT, Windsurf, JetBrains, and any MCP-compatible AI client. This server requires an API key — McpMux securely stores your credentials with AES-256-GCM encryption.

Transport Configuration

1234567891011121314151617181920212223242526272829{
  "type": "stdio",
  "command": "npx",
  "args": [
    "-y",
    "mcp-brex"
  ],
  "env": {
    "BREX_API_KEY": "${input:BREX_API_KEY}"
  },
  "metadata": {
    "inputs": [
      {
        "id": "BREX_API_KEY",
        "label": "Brex API Token",
        "description": "Developer API token from your Brex dashboard, used to authenticate against the Brex API.",
        "type": "text",
        "required": true,
        "secret": true,
        "placeholder": "************************************",
        "obtain": {
          "url": "https://dashboard.brex.com/",
          "instructions": "1. Sign in to the Brex dashboard\n2. Open Settings > Developer (Developer API)\n3. Create a new API token\n4. Copy the generated token",
          "button_label": "Open Brex Dashboard"
        }
      }
    ]
  }
}

Details

TransportLocal (stdio)

Hostinglocal

AuthAPI Key

Capabilities

ToolsResourcesPrompts

Links

Repository Homepage

Supported AI Clients

The Brex (npx) MCP server works with all MCP-compatible AI clients through McpMux:

CursorClaude DesktopClaude CodeVS CodeChatGPTWindsurfJetBrainsZedClineGemini CLIAmazon Q

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Install Brex (npx) with McpMux

One-click install from the McpMux desktop app. Auto-configures for Cursor, Claude, VS Code, ChatGPT, Windsurf, JetBrains, and any MCP-compatible client.

Install