# Unbrowse (MCP server)

> Unbrowse is an MCP server that adds web browsing tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Websites as APIs: read pages, run site tasks via learned APIs, cloud browser with saved logins. It has 776 GitHub stars, is released under the MIT license and runs locally with npx -y unbrowse.

This is the open-source client for the hosted Unbrowse service ( the @unbrowse/sdk TypeScript client for its REST API, and the unbrowse CLI built on it.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/unbrowse-ai/unbrowse |
| GitHub stars | 776 |
| License | MIT |
| Language | TypeScript |
| Transport | stdio, streamable-http |
| Packages | npm: unbrowse |
| Remote URL | https://unbrowse.ai/mcp |
| Needs API key | yes |
| Official | no |
| Works with | Claude Desktop, Claude Code, Cursor, VS Code, Claude.ai, ChatGPT |
| Category | Web & browsing |
| Latest release | v12.2.0 (Oct 6, 2026) |
| Last commit | Oct 6, 2026 |
| MCP registry name | io.github.unbrowse-ai/unbrowse |

## Install

### Claude Desktop (claude_desktop_config.json)

```json
{
  "mcpServers": {
    "unbrowse": {
      "command": "npx",
      "args": [
        "-y",
        "unbrowse"
      ],
      "env": {
        "UNBROWSE_API_KEY": "your-value"
      }
    }
  }
}
```

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

### Claude Code

```sh
claude mcp add --env UNBROWSE_API_KEY=your-value --transport stdio unbrowse -- npx -y unbrowse
```

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

```json
{
  "mcpServers": {
    "unbrowse": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "unbrowse"
      ],
      "env": {
        "UNBROWSE_API_KEY": "your-value"
      }
    }
  }
}
```

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

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

```json
{
  "inputs": [
    {
      "type": "promptString",
      "id": "unbrowse_api_key",
      "description": "UNBROWSE_API_KEY",
      "password": true
    }
  ],
  "servers": {
    "unbrowse": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "unbrowse"
      ],
      "env": {
        "UNBROWSE_API_KEY": "${input:unbrowse_api_key}"
      }
    }
  }
}
```

### Claude Code (remote)

```sh
claude mcp add --transport http unbrowse "https://unbrowse.ai/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.

## Environment variables

- `UNBROWSE_API_KEY` (secret): Unbrowse API key from https://unbrowse.ai/app (or run npx unbrowse login once instead)

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