backend/tools/duckduckgo_tool.py

def run(params: dict) -> dict:
    q = params.get("query", "")
    try:
        from duckduckgo_search import DDGS
        with DDGS() as d:
            res = list(d.text(q, max_results=int(params.get("max_results", 5))))
        return {"status": "ok", "query": q, "results": res}
    except Exception as e:
        return {"status": "offline", "error": str(e), "query": q, "results": []}