# OpenAccountants (MCP server)

> OpenAccountants is an MCP server that adds finance tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Open-source AI accounting skills verified by licensed accountants (tax, VAT, payroll). It has 427 GitHub stars, is released under the AGPL-3.0 license and runs locally with uvx openaccountants-mcp.

Open-source Tax Guides your AI can cite — reviewed by named, licensed accountants. Every AI can do tax math. None of them can stand behind an answer. Here, real accountants put their name, credential and review date on the Guides your AI reads — publicly, on the record, in this repo.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/openaccountants/openaccountants |
| GitHub stars | 427 |
| License | AGPL-3.0 |
| Language | Python |
| Transport | stdio, streamable-http |
| Packages | pypi: openaccountants-mcp |
| Remote URL | https://www.openaccountants.com/api/mcp |
| Needs API key | no |
| Official | no |
| Works with | Claude Desktop, Claude Code, Cursor, VS Code, Claude.ai, ChatGPT |
| Category | Finance |
| Latest release | v2.2.0 (Jul 4, 2026) |
| Last commit | Oct 6, 2026 |
| MCP registry name | io.github.openaccountants/openaccountants |

## Install

### Claude Desktop (claude_desktop_config.json)

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

Settings > Developer > Edit Config. macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Restart Claude Desktop afterwards.

### Claude Code

```sh
claude mcp add --transport stdio openaccountants -- uvx openaccountants-mcp
```

### Cursor (.cursor/mcp.json)

```json
{
  "mcpServers": {
    "openaccountants": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "openaccountants-mcp"
      ]
    }
  }
}
```

Project file; use ~/.cursor/mcp.json to enable it in every project.

### VS Code (.vscode/mcp.json)

```json
{
  "servers": {
    "openaccountants": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "openaccountants-mcp"
      ]
    }
  }
}
```

### Claude Code (remote)

```sh
claude mcp add --transport http openaccountants "https://www.openaccountants.com/api/mcp"
```

The same server is also hosted as a remote MCP endpoint, so nothing runs on your machine.

Config formats checked against the official docs on 2026-10-07.

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