# squirrelscan (MCP server)

> squirrelscan is an MCP server that adds web browsing tools to AI assistants such as Claude Code, Cursor and VS Code. Website QA for your coding agent: audit SEO, performance, security, accessibility over MCP. It has 271 GitHub stars, is released under the MIT license and runs as a remote server at https://mcp.squirrelscan.com/mcp.

The website QA tool for your coding agent squirrelscan is an Open Source cli tool that audits websites for SEO, performance, security, accessibility, agent experience and other issues, and gives your coding agent exact fixes. Run it from the CLI, inside your coding agent, in the cloud, or over MCP.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/squirrelscan/squirrelscan |
| GitHub stars | 271 |
| License | MIT |
| Language | TypeScript |
| Transport | streamable-http |
| Packages | none (remote only) |
| Remote URL | https://mcp.squirrelscan.com/mcp |
| Needs API key | no |
| Official | yes |
| Works with | Claude Code, Cursor, VS Code, Claude.ai, ChatGPT |
| Category | Web & browsing |
| Latest release | v0.0.105 (Oct 7, 2026) |
| Last commit | Oct 7, 2026 |
| MCP registry name | com.squirrelscan/squirrelscan |

## Install

### Claude Desktop

```
Settings > Connectors > Add custom connector
URL: https://mcp.squirrelscan.com/mcp
```

Remote servers are added as a custom connector, not in claude_desktop_config.json.

### Claude Code

```sh
claude mcp add --transport http squirrelscan "https://mcp.squirrelscan.com/mcp"
```

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

```json
{
  "mcpServers": {
    "squirrelscan": {
      "url": "https://mcp.squirrelscan.com/mcp"
    }
  }
}
```

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

```json
{
  "servers": {
    "squirrelscan": {
      "type": "http",
      "url": "https://mcp.squirrelscan.com/mcp"
    }
  }
}
```

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

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