Lacuna Research MCP alternatives
24 web search MCP servers from other publishers do a similar job. Ranked by reviewer rating first, then public adoption, then the safety scan, with at most two per publisher.
MCP server for enterprise local codebase indexing, semantic search, and code dependency graphs.
No reviews yetlocal · npm3.3k5.2k/wkFreeMCP server for SearXNG — privacy-respecting web search with pagination, URL reading
No reviews yetlocal · npm1.2k13k/wkFreeSearch PubMed/Europe PMC, fetch articles and full text (PMC/EPMC/Unpaywall), citations, MeSH terms.
No reviews yetgateway-ready14812k/wkFreeSearch public open-source code, documentation, metadata, vulnerabilities, changelogs, and examples.
No reviews yetgateway-ready1073.1k/wkFreeSearch ClinicalTrials.gov — find studies, retrieve results, match patients to eligible trials.
No reviews yetgateway-ready945.7k/wkFree18 Google Maps tools for AI agents — geocode, search, directions, weather, and more.
No reviews yetlocal · npm4593.2k/wkFreeAI-powered code indexer with semantic search and knowledge graphs
No reviews yetlocal · mixed475467/wkFreeYour own WhatsApp as an MCP server: read, search and send from any MCP client.
No reviews yetgateway-ready2.7kFreeCloud or self-hosted knowledge for AI agents: hybrid search, reranking, GraphRAG, scoped MCP tools.
No reviews yetgateway-ready55983/wkFreeUnofficial Telegram MCP server — read, search, reply and react in your own Telegram account.
No reviews yetgateway-ready431.2k/wkFreeSearch, read, annotate, and add to your Zotero research library, local or web.
No reviews yetlocal · pypi5.1kFreeReddit MCP server with full read/write - posts, comments, search, and content creation.
No reviews yetlocal · npm263478/wkFreeRetrieval over the folder the session opened: files, search, read, code_pack, write_note.
No reviews yetlocal · pypi60460/wkFreeTrack brand citations across five AI search engines. Free OSS; optional EUR 99 client-ready audit.
No reviews yetlocal · npm45231/wkFreeThe private, owned conversation-memory layer for AI. Record, transcribe, and search every meeting.
No reviews yetlocal · npm1.5kFreeSearch and read your Apple Messages history from any MCP client. Read-only, local.
No reviews yetlocal · npm251.2k/wkFreeSearch the official MCP registry: 17,000+ servers with trust grades, stars, tools, install config.
No reviews yetgateway-ready5347/wkFreeGraph-powered code intelligence with semantic search and knowledge graph for AI assistants
No reviews yetlocal · npm20315/wkFreeJob search for Claude, ChatGPT, Cursor. 250K+ jobs, 5,400+ companies. OAuth or stdio.
No reviews yetgateway-ready3504/wkFreePersistent memory for AI assistants with semantic search and knowledge graph relationships.
No reviews yetlocal · mixed14411/wkFreeUniversal MCP Server with advanced AI memory capabilities and semantic search.
No reviews yetlocal · mixed380FreeZotero MCP server for Claude and ChatGPT: search, citations, safe writes, PDF passages and pages.
No reviews yetgateway-ready41FreeSearch, analyze and manage events on OpenAgenda.
No reviews yetgateway-ready2121/wkFreeSearch, read and act on Apple Reminders — lists, due dates, writes off by default
No reviews yetlocal · npm3799/wkFree
