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Web research MCP servers for deep, cited answers

MCP servers for web research: search APIs, page fetchers, and deep research agents that gather sources and return cited answers to your AI client.

4173 matching serversRanked by trust score
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Guide

What to know about Web research MCP servers

Web research servers go beyond a single search query. They combine a search API with page fetching, and in some cases run a multi-step loop that searches, reads, refines the question, and searches again before returning a summary with citations. Providers such as Exa, Tavily, Perplexity, Brave, and Kagi each have servers, alongside self-hosted options built on SearXNG.

The distinction that matters is who does the reasoning. Plain search servers return links and snippets, and your client's model decides what to read next. Deep research servers do that loop on the provider's side and hand back a finished report, which saves your context but gives you less control over sources.

For trustworthy results, prefer servers that return URLs with every claim and that can fetch the full page when snippets are not enough. Then spot-check a few sources, especially for anything recent or contested.

Top matches

Web research MCP servers

The 12 strongest of 4173 matching servers. Servers that name the topic directly come first, then by trust score.

More in Search
  • Trust score 75 of 100, Good

    MCP server for SearXNG — privacy-respecting web search with pagination, URL reading

    Registry
    LicenseQualityMaintenanceLicense: A. MIT is a permissive open source license.Quality: Not graded. No README or tool list has been captured yet.Maintenance: A. Last commit or release 25 days ago.
    1.3K stars—/wk weekly downloads— tools
  • Free Search logo
    Trust score 72 of 100, Good

    No-API-key web search, page fetching and document reading across many engines. Local-first.

    Registry
    LicenseQualityMaintenanceLicense: A. MIT is a permissive open source license.Quality: Not graded. No README or tool list has been captured yet.Maintenance: A. Last commit or release 16 days ago.
    166 stars—/wk weekly downloads— tools
  • Trust score 70 of 100, Good

    Web search, AI agent, and content extraction via You.com APIs

    RegistryRemote
    LicenseQualityMaintenanceLicense: A. MIT is a permissive open source license.Quality: Not graded. No README or tool list has been captured yet.Maintenance: A. Last commit or release 14 days ago.
    24 stars—/wk weekly downloads— tools
  • Trust score 69 of 100, Good

    SerpApi

    by serpapi · Python

    Official SerpApi MCP server for Google, Bing, and other search engines.

    RegistryRemote
    LicenseQualityMaintenanceLicense: A. MIT is a permissive open source license.Quality: Not graded. No README or tool list has been captured yet.Maintenance: A. Last commit or release 23 days ago.
    180 stars—/wk weekly downloads— tools
  • Trust score 69 of 100, Good

    wet

    by n24q02m · Python

    Open-source MCP server for AI agents: web search, content extraction, and library docs.

    Registry
    LicenseQualityMaintenanceLicense: A. Apache-2.0 is a permissive open source license.Quality: Not graded. No README or tool list has been captured yet.Maintenance: A. Last commit or release 11 days ago.
    20 stars—/wk weekly downloads— tools
  • Trust score 68 of 100, Good

    Live web search and clean-markdown page fetch over the Keenable web index.

    RegistryRemote
    LicenseQualityMaintenanceLicense: A. MIT is a permissive open source license.Quality: Not graded. No README or tool list has been captured yet.Maintenance: A. Last commit or release 25 days ago.
    6 stars—/wk weekly downloads— tools
  • Trust score 68 of 100, Good

    Jina Reader

    by pipeworx-io · JavaScript

    Jina AI Reader/Search MCP — turn any URL into clean LLM-ready markdown, plus web search.

    RegistryRemote
    LicenseQualityMaintenanceLicense: A. MIT is a permissive open source license.Quality: Not graded. No README or tool list has been captured yet.Maintenance: A. Last commit or release 9 days ago.
    0 stars38/wk weekly downloads— tools
  • Trust score 68 of 100, Good

    Serpapi

    by pipeworx-io · JavaScript

    SerpApi MCP — wraps SerpApi (serpapi.com) search engines

    RegistryRemote
    LicenseQualityMaintenanceLicense: A. MIT is a permissive open source license.Quality: Not graded. No README or tool list has been captured yet.Maintenance: A. Last commit or release 9 days ago.
    0 stars40/wk weekly downloads— tools
  • Trust score 67 of 100, Good

    Brave Search

    by pipeworx-io · JavaScript

    Brave Search MCP — independent web index (no Google/Bing dependency)

    RegistryRemote
    LicenseQualityMaintenanceLicense: A. MIT is a permissive open source license.Quality: Not graded. No README or tool list has been captured yet.Maintenance: A. Last commit or release 9 days ago.
    0 stars27/wk weekly downloads— tools
  • Trust score 67 of 100, Good

    Exa

    by pipeworx-io · JavaScript

    Exa MCP — neural/semantic web search + content retrieval (exa.ai)

    RegistryRemote
    LicenseQualityMaintenanceLicense: A. MIT is a permissive open source license.Quality: Not graded. No README or tool list has been captured yet.Maintenance: A. Last commit or release 9 days ago.
    0 stars32/wk weekly downloads— tools
  • Trust score 67 of 100, Good

    Marginalia

    by pipeworx-io · JavaScript

    Marginalia MCP — independent web search over a non-commercial, non-SEO index.

    RegistryRemote
    LicenseQualityMaintenanceLicense: A. MIT is a permissive open source license.Quality: Not graded. No README or tool list has been captured yet.Maintenance: A. Last commit or release 9 days ago.
    0 stars29/wk weekly downloads— tools
  • search-rotation logo
    Trust score 66 of 100, Good

    MCP server for web search and page extraction across the free tiers of several providers

    Registry
    LicenseQualityMaintenanceLicense: A. MIT is a permissive open source license.Quality: Not graded. No README or tool list has been captured yet.Maintenance: A. Last commit or release 6 days ago.
    1 stars—/wk weekly downloads— tools
Setup

How to install one

  1. Compare the shortlist. SearXNG Search leads this topic. Open two or three listings and compare their tools, transport, and required API keys.
  2. Copy the config for your client. Each listing has an install guide, for example Claude Desktop, Claude Code, Cursor, or VS Code. The client guides show where each config file lives.
  3. Scope credentials, then restart. Use the narrowest token or folder the server needs, restart the client, and check that the new tools appear.
FAQ

Web research MCP questions

What is the difference between a search server and a research server?

A search server returns results for one query. A research server runs several searches and reads pages on its own, then returns a synthesised answer. Research servers are slower and usually cost more per call.

Are there free web search MCP servers?

SearXNG and DuckDuckGo servers need no API key. Brave, Tavily, and Exa offer free tiers that cover personal use. See the web search use case for the strongest options.

How do I make sure the answers are cited?

Pick a server that returns source URLs, and ask the model to cite a link for each claim. If a claim has no link, treat it as the model's own inference.

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