Favicon.so MCP Server

Model Context Protocol (MCP) server for Favicon.so - fetch favicons for any website and generate custom favicons.

Features

This MCP server provides the following tools:

Tool	Description
get_favicon	Get the favicon for any domain. Returns favicon URL, format, and embed URLs for use in HTML.
get_favicon_generator_url	Get the URL to the Favicon.so generator for creating custom favicons from text or SVG icons.
search_favicons	Get the URL to search and browse favicons on Favicon.so.

Installation

From npm (recommended)

npm install -g favicon-mcp-server
# or
pnpm add -g favicon-mcp-server

From source

git clone https://github.com/Go7hic/favicon-mcp-server.git
cd favicon-mcp-server
pnpm install
pnpm run build

Usage

With Claude Desktop

Using global install:

{
  "mcpServers": {
    "favicon-so": {
      "command": "favicon-mcp"
    }
  }
}

Or with npx (no global install):

{
  "mcpServers": {
    "favicon-so": {
      "command": "npx",
      "args": ["-y", "favicon-mcp-server"]
    }
  }
}

From source (replace path):

{
  "mcpServers": {
    "favicon-so": {
      "command": "node",
      "args": ["/ABSOLUTE/PATH/TO/favicon-mcp-server/build/index.js"]
    }
  }
}

With Cursor

Add to Cursor MCP config; if listed on MCP Registry, you can add by name. Otherwise use npx -y favicon-mcp-server as command.

Environment Variables

Variable	Default	Description
FAVICON_API_BASE	https://favicon.so	Base URL for the Favicon.so API

Tool Examples

get_favicon

Input:

{
  "domain": "github.com"
}

Output:

{
  "domain": "github.com",
  "faviconUrl": "https://github.githubassets.com/favicons/favicon.svg",
  "format": "image/svg+xml",
  "isDefault": false,
  "embedUrl": "https://favicon.so/api/favicon?url=github.com",
  "shortUrl": "https://favicon.so/en/github.com"
}

Use in HTML:

<img src="https://favicon.so/api/favicon?url=github.com" alt="GitHub favicon" />
<link rel="icon" href="https://favicon.so/api/favicon?url=github.com" />

get_favicon_generator_url

Input:

{
  "locale": "en"
}

Output:

{
  "url": "https://favicon.so/en/generator",
  "description": "Favicon Generator - Create custom favicons from text or SVG icons...",
  "features": [...]
}

Development

# Watch mode
pnpm run watch

# Build
pnpm run build

# Test locally
echo '{"jsonrpc":"2.0","id":1,"method":"tools/list"}' | node build/index.js

License

MIT