Alpaca MCP Server vs OpenAccountants

A side-by-side comparison of two Finance & Payments servers — tools, transport, auth, maintenance, and copy-paste config for each.

	Alpaca MCP Server Alpaca's official trading server for stocks, ETFs, options, and crypto in plain English. Verified stdio (local) API key Python	OpenAccountants On-demand open-source tax & accounting skills for AI agents across 130+ jurisdictions, via MCP. Unverified stdio (local) No auth Python
Category	Finance & Payments	Finance & Payments
Language	Python	Python
Transport	stdio (local)	stdio (local)
Auth	API key	None
GitHub stars	820	198
Last commit	2 months ago	1 month ago
Verified
Actively maintained
Install	`uvx alpaca-mcp-server`	`git clone https://github.com/openaccountants/openaccountants.git && cd openaccountants && pip install ./mcp`
Repo	Open	Open

Verdict

Pick Alpaca MCP Server if you want the official, vendor-maintained server, and you prefer the more popular, battle-tested option.

Pick OpenAccountants if you want zero-setup with no API key.

Add Alpaca MCP Server

Install / run

uvx alpaca-mcp-server

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "alpaca-mcp-server": {
      "command": "uvx",
      "args": [
        "alpaca-mcp-server"
      ],
      "env": {
        "ALPACA_API_KEY": "<your-alpaca-api-key>",
        "ALPACA_SECRET_KEY": "<your-alpaca-secret-key>",
        "ALPACA_PAPER_TRADE": "true"
      }
    }
  }
}

Requires `uv` (the Python package runner). Install it from https://docs.astral.sh/uv/ if `uvx` is not found.

Add OpenAccountants

Install / run

git clone https://github.com/openaccountants/openaccountants.git && cd openaccountants && pip install ./mcp

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "openaccountants": {
      "command": "openaccountants-mcp",
      "args": []
    }
  }
}

FAQ

Alpaca MCP Server or OpenAccountants — which is better?

Pick Alpaca MCP Server if you want the official, vendor-maintained server, and you prefer the more popular, battle-tested option. Pick OpenAccountants if you want zero-setup with no API key.

Can I use both Alpaca MCP Server and OpenAccountants?

Yes — MCP clients let you enable multiple servers at once. Add both configs to your client's mcpServers and use whichever tool fits the task.

Do Alpaca MCP Server and OpenAccountants work with Claude, Cursor and Windsurf?

Both do. Copy the per-client config below into Claude Desktop, Cursor, or Windsurf.

View Alpaca MCP Server →View OpenAccountants →More comparisons →