Web Researcher MCP
@zoharbabin
关于 Web Researcher MCP
Your AI research assistant that cites real sources and stays honest. Search the entire web or narrow it down to just the sites you trust; medical journals, court databases, news outlets, academic papers. Analyze the full source, not just snippets. Links that work, citations you c
基本信息
配置
使用下面的配置,将此服务器添加到你的 MCP 客户端。
{
"mcpServers": {
"web-researcher": {
"command": "web-researcher-mcp",
"args": [],
"env": {
"GOOGLE_CUSTOM_SEARCH_API_KEY": "<YOUR_KEY>",
"GOOGLE_CUSTOM_SEARCH_ID": "<YOUR_CX>",
"SEARCH_PROVIDER": "google"
}
}
}
}工具
8General web search with optional search lenses for domain-focused results
Extract content from any URL -- web pages, PDFs, DOCX, PPTX, YouTube transcripts (3-strategy fallback)
Combined search + extraction pipeline with quality scoring and deduplication
Search for images with size, type, color, and file format filters
Search news sources with freshness controls and source filtering
Search peer-reviewed papers across arXiv, PubMed, IEEE, Nature, Springer, and other scholarly databases
Search patent databases with CPC classification, strict office filtering (US/EP/WO/JP/CN/KR)
Multi-step research tracking with session state for iterative investigation
概览
What is Web Researcher MCP?
Web Researcher MCP is a production-grade MCP server that gives AI assistants the ability to search the web, extract content, and conduct multi-source research. It works with any MCP-compatible client such as Claude Code, Claude Desktop, and Cursor.
How to use Web Researcher MCP?
Install via Go (go install github.com/zoharbabin/web-researcher-mcp/cmd/web-researcher-mcp@latest), download a prebuilt binary, run a Docker container, or build from source. Then configure search provider credentials (e.g., Google, Brave) in environment variables and add the server to your MCP client configuration (e.g., ~/.claude/settings.json).
Key features of Web Researcher MCP
- Multiple specialized research tools in a single server
- Pluggable search backends with multi-provider routing and automatic fallback
- 4-tier content extraction (markdown, stealth HTTP, HTML, headless browser)
- Search lenses for domain-focused research (programming, news, legal, medical)
- Single static binary with optional Chromium for JS rendering
- Enterprise-ready: OAuth 2.1, multi-tenancy, rate limiting, audit logging
Use cases of Web Researcher MCP
- General web search with domain-focused search lenses
- Extract content from URLs including PDFs, DOCX, PPTX, and YouTube transcripts
- Combined search and extraction pipeline with quality scoring and deduplication
- Image and news search with filters and freshness controls
- Academic and patent search across scholarly databases and patent offices
FAQ from Web Researcher MCP
Which search providers are supported?
Google, Brave, Serper, SearXNG, and SearchAPI.io. Multi-provider routing with automatic fallback is available.
Do I need a Google API key?
Only if Google is your search provider. You can set SEARCH_ROUTING to use Brave, Serper, or other providers without Google keys.
Does it work with any MCP client?
Yes, it works with Claude Code, Claude Desktop, Cursor, and any MCP-compatible client over STDIO or HTTP/SSE transport.
What are the runtime requirements?
The server is a single static Go binary. For JavaScript-rendered pages, Chromium is auto-downloaded on first use.
Is there a Docker image?
Yes, available on Docker Hub (docker.io/zoharbabin/web-researcher-mcp) and GitHub Container Registry (ghcr.io/zoharbabin/web-researcher-mcp).
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