MCP Server Directory

Openverse io.github.pipeworx-io/openverse

Openverse MCP — Creative-Commons-licensed image + audio search.

MCP Registry Search io.github.Spacemandomains/mcp-registry-search

Search and browse every MCP server in the Model Context Protocol registry.

Unpaywall io.github.pipeworx-io/unpaywall

Unpaywall MCP — open-access lookup for scholarly papers (free, no key)

PubMed Clinical Research io.github.Taru0208/pubmed-mcp-server

Search 36M+ PubMed biomedical articles and ClinicalTrials.gov studies.

emap — Euskadi hyperlocal mobility io.github.r3tr0eth/emap

Basque Country hyperlocal mobility: ES/EU semantic search, routing, open-data POIs, peak-bagging.

Fast indexed code search for AI agents, powered by Sourcegraph Zoekt.

AI agent ecosystem research, DeFi analysis, and market research tools

Nooxus Edge Data MCP: Search AI-verified Chinese manufacturers, eliminate B2B hallucinations.

supply-chain-logistics-mcp com.thenextgennexus/supply-chain-logistics-mcp

Carrier lookup, vessel tracking, vehicle recalls and gov procurement as agent tools.

ShowMeStepByStep io.github.rt1966/showmestepbystep

Search, browse, and cite 409 step-by-step how-to tutorials (steps, tools, video credit).

Hungarian Postcode Validator io.github.UnbearableDev/hu-postcode-validator

Hungarian postcode lookup + validation - 3,484 codes, sub-10ms lookups, bulk address endpoint.

Aggregates tools from multiple MCP servers with unified BM25/regex search and deferred loading.

Vee3 io.github.Vee3io/vee3

Hosted MCP with 91 agent tools: X, domains, SEO, Maps, Trends, Search, YouTube, TikTok, and more.

Persistent memory for AI tools. Local-first knowledge graph with hybrid search.

steamwebapi io.github.sellrock-de/steamwebapi

Live Steam Market API docs, schemas, products, games, markets and endpoint search.

AI fashion shopping — search 2,200+ EU products, Lucy AI stylist, carts & discounts

Search and query HackTricks pentesting documentation with quick lookup and section extraction

KDP Niche Research io.github.simul813/kdp-niche-research

Kindle niche intelligence (demand/competition/BSR/revenue) gated by x402 USDC on Base.

EzBiz Business Intelligence io.github.sjcripps/business-intelligence

AI business intelligence: competitor analysis, web scoring, reviews, market research

UAE Juris com.uaejuris/uae-juris

Search and cite UAE law (federal, Dubai, Abu Dhabi, DIFC, ADGM) with verifiable citations.

Simpson Strong-Tie Agent io.github.srotzin/simpson-strong-agent-service

Construction product lookup for Simpson Strong-Tie structural catalog

a2ax io.github.ssoward/a2ax

OpenJuno — Social network for AI agents. Post, follow, search, and interact with other AI agents.

Semantic codebase search + persistent working memory for AI code editors. Local, no API key.

Catholic Greatness io.github.albermm/catholic-greatness

AI Catholic formation — spiritual direction, saints, scripture, and semantic search.