# Search and research MCP servers

Choose a server for your use case. Check its permissions and client support.

210 MCP servers. Also on the [web page](https://mcpdirectory.fyi/category/search-research).

## MCP servers

1. [Acquisition.gov](https://mcpdirectory.fyi/us/global/online/acquisition-gov.md), Search and research, Online: Acquisition.gov FAR Overhaul model parts, agency deviations, PDFs, and guidance. 5 tools.
2. [acrawl](https://mcpdirectory.fyi/us/global/online/acrawl.md), Web and browser automation, Online: Autonomous web crawler. 17 browser tools + goal-driven run\_goal agent. Single binary, stealth.
3. [Agent Harnesses](https://mcpdirectory.fyi/us/global/online/agent-harnesses.md), Developer tools, Online: Agent-harness picks, decision guides, setup templates, and skills; live GitHub/HN discovery.
4. [Agent Web Search](https://mcpdirectory.fyi/cn/global/online/agent-web-search.md), Search and research, Online: Provider-neutral web\_search for AI agents. Grounding + agent search APIs, keyless defaults.
5. [Agent Wikis](https://mcpdirectory.fyi/us/global/online/agent-wikis.md), Knowledge and memory, Online: Maintained, agent-readable knowledge bases with calibrated search and provenance. Pro key adds XL.
6. [AIRAS](https://mcpdirectory.fyi/jp/global/online/airas.md), Search and research, Online: Automated AI research toolkit: hypothesis generation, experiments, and paper writing
7. [Appfigures](https://mcpdirectory.fyi/us/global/online/appfigures.md), Sales and marketing, Online: Access your app analytics, ASO tools, and app market intelligence with Appfigures.
8. [Arxiv Mcp Server](https://mcpdirectory.fyi/us/global/online/arxiv-mcp-server.md), Search and research, Online: Search arXiv papers, download full text, semantic search, citation graphs, and alerts via MCP.
9. [Australian Tax MCP](https://mcpdirectory.fyi/us/global/online/australian-tax-mcp.md), Finance and crypto, Online: Cited Australian tax answers from 34,500+ ATO documents, legislation and public rulings.
10. [Aviasales Flight Prices](https://mcpdirectory.fyi/th/global/online/aviasales-flight-prices.md), Other tools, Online: Flight price search via Aviasales/Travelpayouts: fares by route, cheapest days, flexible dates.
11. [Banco Central do Brasil (BCB) — SGS Time Series MCP Server](https://mcpdirectory.fyi/br/global/online/banco-central-do-brasil-bcb-sgs-time-series-mcp-server.md), Finance and crypto, Online: Banco Central do Brasil (BCB): SGS series, Focus expectations, PTAX, stats + provenance. 17 tools.
12. [Blockrun Mcp](https://mcpdirectory.fyi/us/global/online/blockrun-mcp.md), Search and research, Online: Web search, deep research, prediction markets & crypto data for AI agents. Pay per call via x402.
13. [BLS OEWS](https://mcpdirectory.fyi/us/global/online/bls-oews.md), Search and research, Online: BLS Occupational Employment and Wage Statistics market wages, bundled; no API key. 8 tools.
14. [Books & Papers MCP Server](https://mcpdirectory.fyi/es/global/online/books-and-papers-mcp-server.md), Search and research, Online: Federated search of books and papers, formatted citations, open-access retrieval and reading.
15. [Calibre Mcp](https://mcpdirectory.fyi/ua/global/online/calibre-mcp.md), Knowledge and memory, Online: Calibre ebook library server: search, read content, curate metadata, semantic search, gated writes.
16. [Clinicaltrialsgov Mcp Server](https://mcpdirectory.fyi/us/global/online/clinicaltrialsgov-mcp-server.md), Health and science, Online: Search ClinicalTrials.gov: find studies, retrieve results, match patients to candidate trials.
17. [CogniRepo](https://mcpdirectory.fyi/in/global/online/cognirepo.md), Developer tools, Online: FAISS, call graph, AST, BM25 — 34 MCP tools for AI agents. 50-80% token reduction. Offline.
18. [Companies House](https://mcpdirectory.fyi/gb/global/online/companies-house.md), Search and research, Online: UK Companies House public register: search companies, officers, ownership, filings and documents.
19. [CPU Performance Engineering](https://mcpdirectory.fyi/gb/global/online/cpu-performance-engineering.md), Developer tools, Online: A CPU performance engineering brain: a vetted reading list, benchmarks and cited source passages
20. [CRED-1](https://mcpdirectory.fyi/us/global/online/cred-1.md), Search and research, Online: Domain credibility ratings from the CRED-1 dataset: check, batch check and search news domains
21. [deweloperuch.pl (unofficial)](https://mcpdirectory.fyi/pl/global/online/deweloperuch-pl-unofficial.md), Search and research, Online: Unofficial read-only deweloperuch.pl data: new-build asking prices, RCN transactions, GUS and NBP
22. [Docdex](https://mcpdirectory.fyi/tr/global/online/docdex.md), Developer tools, Online: Fast per-repo documentation indexer and full-text search MCP server for codebases.
23. [DocPull](https://mcpdirectory.fyi/us/global/online/docpull.md), Search and research, Online: Sync public web sources into cited context packs for AI agents, RAG, and MCP clients.
24. [Domain Search Mcp](https://mcpdirectory.fyi/tr/global/online/domain-search-mcp.md), Sales and marketing, Online: Naming engine with availability intelligence: score names, check domains, socials and registries.
25. [eCFR](https://mcpdirectory.fyi/us/global/online/ecfr.md), Search and research, Online: Electronic Code of Federal Regulations including FAR, DFARS, and agency supplements. 13 tools.
26. [EcuDataMCP](https://mcpdirectory.fyi/ec/global/online/ecudatamcp.md), Data and databases, Online: Ecuador's open government data for AI assistants: CKAN, SRI, BCE, INEC, Supercias, SERCOP and more.
27. [EdgarTools](https://mcpdirectory.fyi/ca/global/online/edgartools.md), Finance and crypto, Online: Open-source SEC EDGAR toolkit — 13 tools, 7 prompts, every filing type. No API key required.
28. [ENCODE Toolkit](https://mcpdirectory.fyi/us/global/online/encode-toolkit.md), Health and science, Online: 20 MCP tools + 48 skills for ENCODE Project genomics — search, download, pipelines
29. [Eur Lex Mcp Server](https://mcpdirectory.fyi/us/global/online/eur-lex-mcp-server.md), Search and research, Online: Search EU legislation, CJEU case law, and treaties; traverse CELLAR graph; browse EuroVoc concepts.
30. [Everyrow MCP Server](https://mcpdirectory.fyi/us/global/online/everyrow-mcp-server.md), Search and research, Online: Give your AI a research team. Forecast, score, classify, or research every row of a dataset.
31. [Everything Search](https://mcpdirectory.fyi/ph/global/online/everything-search.md), Search and research, Online: Fast file search: Everything SDK on Windows, Spotlight (mdfind) on macOS, locate/plocate on Linux.
32. [Federal Register](https://mcpdirectory.fyi/us/global/online/federal-register.md), Search and research, Online: Federal Register proposed and final rules, notices, executive orders, and FAR cases. 8 tools.
33. [Firecrawl MCP Server](https://mcpdirectory.fyi/us/global/online/firecrawl-mcp-server.md), Web and browser automation, Online: Firecrawl, the context API for AI agents: search, scrape, interact with the web, plus paper search.
34. [Fr24Api Mcp](https://mcpdirectory.fyi/se/global/online/fr24api-mcp.md), Search and research, Online: MCP server providing access to the Flightradar24 API for real-time and historical flight data
35. [Fred Mcp Server](https://mcpdirectory.fyi/ee/global/online/fred-mcp-server.md), Finance and crypto, Online: Federal Reserve Economic Data (FRED) MCP Server - Access all 800,000+ economic time series
36. [Free Search](https://mcpdirectory.fyi/cn/global/online/free-search.md), Search and research, Online: No-API-key web search, page fetching and document reading across many engines. Local-first.
37. [freehire](https://mcpdirectory.fyi/br/global/online/freehire.md), Search and research, Online: freehire.me: search 3.3M+ IT jobs from 294K company boards, track applications, tailor CVs.
38. [Freeport Nostr](https://mcpdirectory.fyi/sg/global/online/freeport-nostr.md), Search and research, Online: Search Freeport Nostr events by kind, tag & geohash radius (rides, services, reputation).
39. [Fulltext Article Downloader](https://mcpdirectory.fyi/us/global/online/fulltext-article-downloader.md), Search and research, Online: Full text of research papers by DOI, arXiv, PMC or OpenReview id, verified against the record
40. [Gemini](https://mcpdirectory.fyi/gb/global/online/gemini.md), Search and research, Online: Model Context Protocol server for Google Gemini AI with chat, research, and grounding
41. [Gemini Mcp](https://mcpdirectory.fyi/br/global/online/gemini-mcp.md), AI and media generation, Online: Gemini 3 MCP server with 30+ tools: images, video, research, TTS, code exec & CLI
42. [GEO Tracker by DigestSEO](https://mcpdirectory.fyi/si/global/online/geo-tracker-by-digestseo.md), Sales and marketing, Online: Track brand citations across seven AI search surfaces. Free OSS; optional EUR 99 client-ready audit.
43. [GitHits](https://mcpdirectory.fyi/us/global/online/githits.md), Developer tools, Online: Search public open-source code, documentation, metadata, vulnerabilities, changelogs, and examples.
44. [Google Flights](https://mcpdirectory.fyi/us/global/online/google-flights.md), Search and research, Online: MCP server for searching Google Flights — flight search, date grid pricing, and airport lookup.
45. [Google Knowledge Graph](https://mcpdirectory.fyi/gb/global/online/google-knowledge-graph.md), Search and research, Online: Search Google's Knowledge Graph for structured information about real-world entities
46. [Google Maps MCP Server](https://mcpdirectory.fyi/tw/global/online/google-maps-mcp-server.md), Search and research, Online: 18 Google Maps tools for AI agents — geocode, search, directions, weather, and more.
47. [Google News](https://mcpdirectory.fyi/es/global/online/google-news.md), Search and research, Online: Search Google News, get top stories and read articles. No API key or headless browser.
48. [Google Surf Mcp](https://mcpdirectory.fyi/kr/global/online/google-surf-mcp.md), Search and research, Online: Web, academic and code search with graph RAG, data lineage, ontology and cross-project schema links.
49. [GSA CALC+](https://mcpdirectory.fyi/us/global/online/gsa-calc.md), Search and research, Online: GSA CALC+ awarded labor ceiling rates from more than 230,000 MAS contract records. 8 tools.
50. [GSA Per Diem](https://mcpdirectory.fyi/us/global/online/gsa-per-diem.md), Finance and crypto, Online: GSA Per Diem access readiness, lodging, and meals and incidental expense rates. 7 tools.

This copy lists 50 of 210. The [web page](https://mcpdirectory.fyi/category/search-research) has the rest.

## Search and research by city

- [Online, Global](https://mcpdirectory.fyi/us/global/online/category/search-research.md): 75 MCP servers
- [Online, Global](https://mcpdirectory.fyi/gb/global/online/category/search-research.md): 18 MCP servers
- [Online, Global](https://mcpdirectory.fyi/cn/global/online/category/search-research.md): 15 MCP servers
- [Online, Global](https://mcpdirectory.fyi/br/global/online/category/search-research.md): 7 MCP servers
- [Online, Global](https://mcpdirectory.fyi/sg/global/online/category/search-research.md): 7 MCP servers
- [Online, Global](https://mcpdirectory.fyi/de/global/online/category/search-research.md): 6 MCP servers
- [Online, Global](https://mcpdirectory.fyi/in/global/online/category/search-research.md): 6 MCP servers
- [Online, Global](https://mcpdirectory.fyi/ae/global/online/category/search-research.md): 5 MCP servers
- [Online, Global](https://mcpdirectory.fyi/au/global/online/category/search-research.md): 5 MCP servers
- [Online, Global](https://mcpdirectory.fyi/es/global/online/category/search-research.md): 5 MCP servers
- [Online, Global](https://mcpdirectory.fyi/tr/global/online/category/search-research.md): 5 MCP servers
- [Online, Global](https://mcpdirectory.fyi/kr/global/online/category/search-research.md): 4 MCP servers
- [Online, Global](https://mcpdirectory.fyi/se/global/online/category/search-research.md): 4 MCP servers
- [Online, Global](https://mcpdirectory.fyi/th/global/online/category/search-research.md): 4 MCP servers
- [Online, Global](https://mcpdirectory.fyi/ca/global/online/category/search-research.md): 3 MCP servers
- [Online, Global](https://mcpdirectory.fyi/ch/global/online/category/search-research.md): 3 MCP servers
- [Online, Global](https://mcpdirectory.fyi/ee/global/online/category/search-research.md): 3 MCP servers
- [Online, Global](https://mcpdirectory.fyi/tw/global/online/category/search-research.md): 3 MCP servers
- [Online, Global](https://mcpdirectory.fyi/at/global/online/category/search-research.md): 2 MCP servers
- [Online, Global](https://mcpdirectory.fyi/fr/global/online/category/search-research.md): 2 MCP servers
- [Online, Global](https://mcpdirectory.fyi/il/global/online/category/search-research.md): 2 MCP servers
- [Online, Global](https://mcpdirectory.fyi/it/global/online/category/search-research.md): 2 MCP servers
- [Online, Global](https://mcpdirectory.fyi/jp/global/online/category/search-research.md): 2 MCP servers
- [Online, Global](https://mcpdirectory.fyi/nl/global/online/category/search-research.md): 2 MCP servers
- [Online, Global](https://mcpdirectory.fyi/ua/global/online/category/search-research.md): 2 MCP servers
- [Online, Global](https://mcpdirectory.fyi/bd/global/online/category/search-research.md): 1 MCP server
- [Online, Global](https://mcpdirectory.fyi/cz/global/online/category/search-research.md): 1 MCP server
- [Online, Global](https://mcpdirectory.fyi/dk/global/online/category/search-research.md): 1 MCP server
- [Online, Global](https://mcpdirectory.fyi/ec/global/online/category/search-research.md): 1 MCP server
- [Online, Global](https://mcpdirectory.fyi/gr/global/online/category/search-research.md): 1 MCP server
- [Online, Global](https://mcpdirectory.fyi/hk/global/online/category/search-research.md): 1 MCP server
- [Online, Global](https://mcpdirectory.fyi/ie/global/online/category/search-research.md): 1 MCP server
- [Online, Global](https://mcpdirectory.fyi/je/global/online/category/search-research.md): 1 MCP server
- [Online, Global](https://mcpdirectory.fyi/li/global/online/category/search-research.md): 1 MCP server
- [Online, Global](https://mcpdirectory.fyi/mh/global/online/category/search-research.md): 1 MCP server
- [Online, Global](https://mcpdirectory.fyi/mx/global/online/category/search-research.md): 1 MCP server
- [Online, Global](https://mcpdirectory.fyi/np/global/online/category/search-research.md): 1 MCP server
- [Online, Global](https://mcpdirectory.fyi/ph/global/online/category/search-research.md): 1 MCP server
- [Online, Global](https://mcpdirectory.fyi/pl/global/online/category/search-research.md): 1 MCP server
- [Online, Global](https://mcpdirectory.fyi/ru/global/online/category/search-research.md): 1 MCP server
- [Online, Global](https://mcpdirectory.fyi/si/global/online/category/search-research.md): 1 MCP server
- [Online, Global](https://mcpdirectory.fyi/vn/global/online/category/search-research.md): 1 MCP server
- [Online, Global](https://mcpdirectory.fyi/za/global/online/category/search-research.md): 1 MCP server

## Related categories

- [Developer tools](https://mcpdirectory.fyi/category/developer-tools.md): 535 MCP servers
- [Knowledge and memory](https://mcpdirectory.fyi/category/knowledge-memory.md): 197 MCP servers
- [Productivity and collaboration](https://mcpdirectory.fyi/category/productivity-collaboration.md): 193 MCP servers
- [Finance and crypto](https://mcpdirectory.fyi/category/finance-crypto.md): 169 MCP servers
- [Cloud and DevOps](https://mcpdirectory.fyi/category/cloud-devops.md): 133 MCP servers
- [Data and databases](https://mcpdirectory.fyi/category/data-databases.md): 133 MCP servers
- [Security](https://mcpdirectory.fyi/category/security.md): 117 MCP servers
- [Health and science](https://mcpdirectory.fyi/category/health-science.md): 86 MCP servers
- [Other tools](https://mcpdirectory.fyi/category/other-tools.md): 86 MCP servers
- [Communication](https://mcpdirectory.fyi/category/communication.md): 79 MCP servers
- [Sales and marketing](https://mcpdirectory.fyi/category/sales-marketing.md): 78 MCP servers
- [Web and browser automation](https://mcpdirectory.fyi/category/web-browser-automation.md): 75 MCP servers
- [AI and media generation](https://mcpdirectory.fyi/category/ai-media-generation.md): 70 MCP servers
- [Ecommerce](https://mcpdirectory.fyi/category/ecommerce.md): 46 MCP servers