MCP Servers

ddg-mcp-search

A minimal MCP server that provides a DuckDuckGo search tool with configurable region, time limit, and safe search options.

README

ddg-mcp-search

A minimal MCP server that exposes a single DuckDuckGo search tool.
Use this as a lean starting point for building your own MCP servers with a plugin architecture.

Features

search tool — DuckDuckGo full-text search with region, time-limit, and safe-search options
Plugin architecture — drop a new .py file into plugins/ and it is auto-discovered on startup
SSE transport (compatible with Claude Desktop and other MCP clients)

Requirements

Python 3.10+
pip packages listed in requirements.txt

Installation

git clone https://github.com/ss0832/ddg-mcp-search.git
cd ddg-mcp-search
pip install -r requirements.txt

Usage

python main.py

The server starts on http://0.0.0.0:9500 by default.

Environment variable	Default	Description
`MCP_HOST`	`0.0.0.0`	Bind host
`MCP_PORT`	`9500`	Bind port

Connecting to Claude Desktop

Add the following to your claude_desktop_config.json:

{
  "mcpServers": {
    "ddg-mcp-search": {
      "url": "http://localhost:9500/sse"
    }
  }
}

Tool reference

`search`

Search the web using DuckDuckGo.

Parameter	Type	Required	Default	Description
`query`	string	✅	—	Search query
`region`	string		`jp-jp`	Region code, e.g. `us-en`, `jp-jp`
`timelimit`	string		—	`d` = past day, `w` = past week, `m` = past month, `y` = past year
`safesearch`	string		`moderate`	`on`, `moderate`, or `off`
`max_results`	integer		`20`	Maximum number of results to return

Example response:

- DuckDuckGo — Privacy, simplified.
  URL: https://duckduckgo.com
  Snippet: The Internet privacy company that empowers you to seamlessly take control of your personal information online, without any tradeoffs.

Adding new tools

Create plugins/my_tool.py
Define a class inheriting MCPPlugin with get_tools() and call_tool() methods
Restart the server — it is discovered automatically

See plugins/web_search.py for a complete example.

License

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