MCP Server Directory

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

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

GrantSonar io.github.romulusfoundry/grantsonar

Search verified-open US grants (federal, state, foundation). Read-only MCP for AI agents.

The open retrieval layer for AI agents — index code, docs, data. Search via MCP.

Joomil — Swiss Classifieds MCP io.github.ValmoDev/joomil

Search Swiss classifieds on Joomil.ch — top marketplace in French-speaking Switzerland since 2007.

chemical-safety io.github.rootsbymenda/chemical-safety

Chemical hazard lookup: SVHC, GHS, NIOSH, ICSC. 468K classifications. Free.

Local file search for AI agents — semantic + keyword indexing over your codebase.

Debug and analyze Nanostores apps with AI: scan stores, monitor runtime events, and search docs.

Search, compare, and install self-evolving AI Agent Genes ranked by Arena fitness

AI-native marketplace for pre-cleared licensed media assets — search, license, and stream rights.

ShowMeStepByStep io.github.rt1966/showmestepbystep

Search, browse, and cite a 377-tutorial step-by-step how-to corpus from your AI client.

KCI (Korea Citation Index) literature & citation search via REST Open API + OAI-PMH

Scry ai.tunnelmind/scry

Free IPv4 lookups against a distributed attacker-observation corpus.

Vee3 io.github.Vee3io/vee3

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

Askew x402 io.github.rubix1138/askew-x402

DeFi yields, staking routing, semantic research & security intel via x402 micro-payments on Base

Tosheroon com.tosheroon/mcp

Real-time Amazon prices, product search, 90-day history, AI forecasts, and price drop alerts.

Ace Memory io.github.rudedoggg/ace-memory

Persistent memory for AI agents. Semantic search, memory graph, W3C DID identity.

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

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

💯 YouTube Transcript + YouTube Search MCP for AI Agents com.transcriptapi/youtube-transcript-and-youtube-search

💯 The fastest YouTube transcript + YouTube search MCP for AI agents. Try for free.

Content Intelligence API io.github.ruvendors5-ops/content-intelligence-api

9 MCP tools: extract, analyze, research, compare, monitor, brief. Pay-per-call x402 or subscribe.

Search 15,000+ paid API endpoints across the L402, x402, and MPP protocols on 402index.io

Connect AI assistants to Outline for document search, reading, and management

Secure integration between AI tools and Egnyte content with search, analysis, and workflow tools.

CryptoQuant com.cryptoquant/mcp-server

Query cryptocurrency on-chain data, OHLCV prices, market data, and Research & QuickTake insights.