MCP Server Directory

Build searchable AI research knowledge bases with hybrid vector search directly in Claude Desktop.

Healthy Aging Atlas io.github.RustamIsmail/healthy-aging-atlas

Evidence-ranked supplement data: search, compare, price history, goal recs. No API key.

Knowledge base for Claude Code with semantic search, feed intelligence, and teams

Task spine + searched dead ends + approvals for AI coding agents. One brain, every device.

TedScout io.github.SDMcC/tedscout-mcp

Search EU public tenders across TED and 8 national portals. Monitor, match, and analyse procurement.

iconlab io.github.op0ai/iconlab

Search 324k icons or generate new ones in the Lucide grammar - grammar-locked lint+critique+repair

MCP server for Indian banking: IFSC lookup, UPI VPA validation, bank UPI status.

O'Reilly Media MCP Server io.github.oreillymedia/oreilly-mcp-server

Search O'Reilly for tech books, courses, events, and more. Requires an O'Reilly subscription.

Zoteus io.github.oscardvs/zoteus

Zotero MCP server for Claude and ChatGPT: search, citations, safe writes, PDF passages and pages.

xkcd Comic Suggester io.github.papjuli/xkcdai

Suggests a relevant xkcd comic during a conversation, via semantic search over every comic.

Real estate investment intelligence: search, comps, cash flow, off-market leads, skip trace.

Clinicaltrials io.github.pipeworx-io/clinicaltrials

Search and analyze ClinicalTrials.gov: trials by keyword/condition/drug/status/phase, one study's…

Cnpj Br io.github.pipeworx-io/cnpj-br

CNPJ Brazil MCP — Brazilian company-registry (Receita Federal) lookup via minhareceita.org, an…

Search 1,000+ battle-tested AI prompts from getprompts.org into Claude Code, Cursor, ChatGPT.

BoostedTravel com.boostedchat/travel

Flight search & booking for AI agents. 400+ airlines, $20-50 cheaper than OTAs.

Datacite io.github.pipeworx-io/datacite

DataCite MCP — DOIs for research datasets (free, no auth)

Retractions io.github.pipeworx-io/retractions

Retractions / research-integrity MCP.

Zero-knowledge persistent memory for Claude — encrypted, semantic search, EU hosted.

Glocalized business data layer for AI agents. Search companies, people, and signals.

QRZ.com MCP server. Callsign lookup, DXCC resolution, logbook queries via QRZ XML API.

Quotewise io.github.quotewise/mcp

Semantic quote search with 600K quotes. Find quotes by meaning, verify attributions.

Lifestyle Medicine Knowledge io.github.rabyavalla/lifestyle-medicine-knowledge

Semantic search over a 200-chunk ACLM lifestyle medicine knowledge base.

Real-time threat intelligence lookups and IOC parsing from your self-hosted Polarity instance.

Deterministic Artifact Evaluation preflight and run-path grader for research repositories.