OpenAccountants vs Alpaca MCP Server

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

	OpenAccountants On-demand open-source tax & accounting skills for AI agents across 130+ jurisdictions, via MCP. Unverified stdio (local) No auth Python	Alpaca MCP Server Alpaca's official trading server for stocks, ETFs, options, and crypto in plain English. Verified stdio (local) API key Python
Category	Finance & Payments	Finance & Payments
Language	Python	Python
Transport	stdio (local)	stdio (local)
Auth	None	API key
GitHub stars	198	820
Last commit	7 days ago	1 month ago
Verified
Actively maintained
Install	`git clone https://github.com/openaccountants/openaccountants.git && cd openaccountants && pip install ./mcp`	`uvx alpaca-mcp-server`
Repo	Open	Open

Verdict

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

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

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": []
    }
  }
}

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.

FAQ

OpenAccountants or Alpaca MCP Server — which is better?

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

Can I use both OpenAccountants and Alpaca MCP Server?

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

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

View OpenAccountants →View Alpaca MCP Server →More comparisons →