# Best MCP servers for search & knowledge

The 50 most used MCP servers for search & knowledge, ranked daily from downloads and GitHub data.

1. [Agent Skills Search Server](https://mcpmorning.com/mcp/agentskills-agentskills/): Search and discover Agent Skills from the skills.sh registry. Powered by HAPI MCP server. (26137 stars)
2. [Robin: AI-Powered Dark Web OSINT](https://mcpmorning.com/mcp/apurvsinghgautam-robin/): Dark web OSINT over Tor: search onion engines, scrape pages, report with your own model. (7549 stars)
3. [Zotero MCP](https://mcpmorning.com/mcp/54yyyu-zotero-mcp/): Search, read, annotate, and add to your Zotero research library, local or web. (5384 stars, 7099 downloads/week)
4. [Atlassian Rovo MCP Server](https://mcpmorning.com/mcp/atlassian-atlassian-mcp-server/): Connect to Atlassian Jira, Confluence, Loom, and more to search, create, and manage your work. (1094 stars)
5. [basic-memory](https://mcpmorning.com/mcp/basicmachines-co-basic-memory/): Local-first knowledge management with bi-directional LLM sync via Markdown files. (4171 stars, 6520 downloads/week)
6. [llmwiki](https://mcpmorning.com/mcp/atomicstrata-llm-wiki-compiler/): Compile documents into a cited knowledge wiki. Retrieve evidence, query, and review via local MCP. (2182 stars, 1670 downloads/week)
7. [appwrite/mcp](https://mcpmorning.com/mcp/appwrite-mcp/): Manage Appwrite projects, databases, auth, storage, functions, and messaging; search Appwrite docs (72 stars, 65120 downloads/week)
8. [beever-atlas](https://mcpmorning.com/mcp/beever-ai-beever-atlas/): Open-source LLM knowledge base: team chat into a typed knowledge graph and auto-generated wiki. (449 stars)
9. [GrayMatter](https://mcpmorning.com/mcp/angelnicolasc-graymatter/): Persistent agent memory as a single Go binary: knowledge graph, TUI observability, zero infra. (483 stars)
10. [Flutter MCP Toolkit](https://mcpmorning.com/mcp/arenukvern-mcp-flutter/): Inspect and drive Flutter debug apps/games: semantic snapshots, search, and custom client tools (389 stars)
11. [Octocode MCP - AI Context Platform](https://mcpmorning.com/mcp/bgauryy-octocode-mcp/): AI code research platform. Search, analyze, and extract insights from any GitHub repository. (950 stars, 2118 downloads/week)
12. [tw-legal-rag](https://mcpmorning.com/mcp/aa0101181514-tw-legal-rag/): Citation-guarded retrieval over 22M Taiwan court judgments and administrative interpretations (328 stars)
13. [anytype-mcp](https://mcpmorning.com/mcp/anyproto-anytype-mcp/): Official MCP server for Anytype API - your encrypted, local and collaborative wiki. (532 stars, 2138 downloads/week)
14. [mengram](https://mcpmorning.com/mcp/alibaizhanov-mengram/): Long-term memory for AI agents: semantic facts, episodic events, and procedural workflows (204 stars)
15. [seo-monster](https://mcpmorning.com/mcp/avansaber-seo-monster/): Local-first SEO MCP: track AI citations, Search Console, GA4, PageSpeed, Cloudflare, IndexNow, CrUX. (544 stars, 161 downloads/week)
16. [ori-mnemos](https://mcpmorning.com/mcp/aayoawoyemi-ori-mnemos/): Persistent memory infrastructure for AI agents. Identity, knowledge graph, and search. (331 stars, 354 downloads/week)
17. [Lumen](https://mcpmorning.com/mcp/ahmedeid1-lumen/): Self-hostable agentic-AI LMS: catalog, RAG tutor, FSRS reviews, AI authoring, ingest. (88 stars)
18. [Hexis](https://mcpmorning.com/mcp/bevel-software-hexis/): Git-backed platform for skills, tools, and context for AI agents (114 stars)
19. [AKShare](https://mcpmorning.com/mcp/agentpit-io-hunter-community/): Let a model explore AKShare's 1000+ China market data functions on its own — search, inspect, call (584 stars, 85 downloads/week)
20. [Firecrawl MCP Server](https://mcpmorning.com/mcp/firecrawl-firecrawl-mcp-server/): MCP server for Firecrawl — web search, scraping, and biomedical/arXiv paper search. (150958 downloads/week)
21. [Alfanous - Quranic Search Engine](https://mcpmorning.com/mcp/alfanous-team-alfanous/): Search and explore the Holy Qur'an with Arabic text, transliteration, and advanced search support. (286 stars, 131 downloads/week)
22. [Repomix](https://mcpmorning.com/mcp/yamadashy-repomix/): Pack local or remote codebases into AI-friendly files that LLMs and coding agents can read or search (114420 downloads/week)
23. [mcp-documentation-server](https://mcpmorning.com/mcp/andrea9293-mcp-documentation-server/): Local-first document management and semantic search for AI coding agents (343 stars, 63 downloads/week)
24. [schemagate](https://mcpmorning.com/mcp/ashishsinha1602-schemagate/): Identity-scoped schema selection for text-to-SQL. Returns only the tables the caller may read. (103 stars, 675 downloads/week)
25. [Open Library](https://mcpmorning.com/mcp/8ensmith-mcp-open-library/): Search books and authors on the Internet Archive's Open Library (95 stars, 195 downloads/week)
26. [Myco: Agent-First Cognitive Substrate](https://mcpmorning.com/mcp/battam1111-myco/): Agent-first cognitive substrate: 20 verbs + 50 lint dims over a self-validating graph. (66 stars)
27. [Redmine](https://mcpmorning.com/mcp/aarondpn-redmine-cli/): Work with Redmine issues, projects, time entries, wiki pages and more. Read-only by default. (53 stars)
28. [veritasgraph](https://mcpmorning.com/mcp/bibinprathap-veritasgraph/): Zero-trust, air-gapped Enterprise GraphRAG MCP server with offline, citation-grounded answers. (324 stars, 34 downloads/week)
29. [Hatchdoor](https://mcpmorning.com/mcp/batterworks-hatchdoor/): Self-host your Obsidian vaults: a web UI for you, MCP for your AI agents. No Obsidian, no plugins. (58 stars)
30. [tavily-mcp](https://mcpmorning.com/mcp/tavily-ai-tavily-mcp/): MCP server for advanced web search using Tavily (25508 downloads/week)
31. [brave-search-mcp-server](https://mcpmorning.com/mcp/brave-brave-search-mcp-server/): Visit https://brave.com/search/api/ for a free API key. Search the web, local businesses, images,… (25092 downloads/week)
32. [showagent](https://mcpmorning.com/mcp/aytzey-showagent/): Search, resume and convert AI coding sessions (Claude Code, Codex, Gemini, OpenCode, Pi) over MCP. (53 stars)
33. [docdex](https://mcpmorning.com/mcp/bekirdag-docdex/): Fast per-repo documentation indexer and full-text search MCP server for codebases. (15 stars, 995 downloads/week)
34. [ATXP — Agent Payment & Wallet Infrastructure](https://mcpmorning.com/mcp/atxp-dev-atxp/): Agent wallet, email, phone, and 41 paid tools: search, image/video/music gen, SMS, calls. (45 stars, 238 downloads/week)
35. [brightdata-mcp](https://mcpmorning.com/mcp/brightdata-brightdata-mcp/): Bright Data's Web MCP server enabling AI agents to search, extract & navigate the web (18904 downloads/week)
36. [Bhived MCP](https://mcpmorning.com/mcp/artkeyai-bhived-mcp/): Shared knowledge graph, skills, and tool discovery for AI agents through the Model Context Protocol. (35 stars, 377 downloads/week)
37. [open-affiliate](https://mcpmorning.com/mcp/affitor-open-affiliate/): Search and discover affiliate programs with agent-ready data and commission details. (115 stars, 28 downloads/week)
38. [mcp-server-kalshi](https://mcpmorning.com/mcp/9crusher-mcp-server-kalshi/): MCP server for end-to-end trading on Kalshi prediction markets: discover, research, trade. (31 stars, 203 downloads/week)
39. [awesome-mcps](https://mcpmorning.com/mcp/mrfentmen-awesome-mcps/): MCP server for Blizzard games: WoW token price, achievements, Diablo seasons. Needs free API client. (12741 downloads/week)
40. [iMessage History](https://mcpmorning.com/mcp/anipotts-imessage-mcp/): Search and read your Apple Messages history from any MCP client. Read-only, local. (27 stars, 258 downloads/week)
41. [SearXNG Search](https://mcpmorning.com/mcp/ihor-sokoliuk-mcp-searxng/): MCP server for SearXNG — privacy-respecting web search with pagination, URL reading (11996 downloads/week)
42. [Cartographer](https://mcpmorning.com/mcp/beppetemp-cartographer/): Governance MCP server for agent-maintained knowledge bases (OKF): git-backed writes, search, lint. (38 stars)
43. [screenpipe](https://mcpmorning.com/mcp/screenpipe-screenpipe/): Search your local screen recordings, audio transcripts, and computer activity from screenpipe. (9582 downloads/week)
44. [Codebase Memory](https://mcpmorning.com/mcp/deusdata-codebase-memory-mcp/): Codebase knowledge graph for AI agents — 162 languages, sub-ms queries, 99% fewer tokens. (9343 downloads/week)
45. [vinted-mcp](https://mcpmorning.com/mcp/andrijdavid-vinted-mcp/): MCP Server for Vinted that allows to search items, compare prices, and analyze sellers. (20 stars, 253 downloads/week)
46. [OmniSeek](https://mcpmorning.com/mcp/battam1111-omniseek/): Your agent seeks what search can't find. A self-hosted perception MCP server. (94 stars, 42 downloads/week)
47. [align-cli](https://mcpmorning.com/mcp/aligndottech-align-cli/): Cross-tool decision memory for AI coding agents: search your decision graph, check changes over MCP. (2 stars, 3088 downloads/week)
48. [Canli Backtest](https://mcpmorning.com/mcp/arhancanli-canlicapital/): Lookahead-free backtests: point-in-time SEC factors, your prices, real costs, every variant counted. (0 stars, 6059 downloads/week)
49. [GEO Tracker by DigestSEO](https://mcpmorning.com/mcp/akzar1el-mcp-geo/): Track brand citations across seven AI search surfaces. Free OSS; optional EUR 99 client-ready audit. (37 stars, 148 downloads/week)
50. [AitherOS ADK](https://mcpmorning.com/mcp/aitherium-aither-adk/): Agent runtime with typed memory, knowledge and code graphs, plus file and web tools (11 stars, 448 downloads/week)