What runtime dependencies are required?

Python 3.11 and packages listed in `requirements.txt`; optionally install `requirements_langchain.txt` for LangChain support.

Which search engines are supported and what are their requirements?

Baidu (free, no key), DuckDuckGo (free but needs VPN), Bocha (requires API key), and Tavily (requires registration key). Baidu is enabled by default.

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Deep Search Lighting MCP Server

A lightweight, pure web search solution for large language models, supporting multi-engine aggregated search, deep reflection and result evaluation.

Local serverstdioPython

What is the Deep Search Lighting MCP Server?

A lightweight, pure web search solution for large language models, supporting multi-engine aggregated search, deep reflection and result evaluation. A balanced

More MCP options

Compare MCP servers by category, or browse hosted MCP servers if you prefer an endpoint over a local process.

Maintainer setup documentation.

Example prompts to try

“Use Deep Search Lighting to Framework.”
“Use Deep Search Lighting to Multi.”
“Use Deep Search Lighting to OpenAI.”

Frequently asked questions

It is framework‑free, works with free APIs, supports models of any size, and includes a reflection mechanism for self‑evaluation, all while keeping implementation simple without web parsing or text chunking.