MCP Server Directory

GrantSonar io.github.romulusfoundry/grantsonar

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

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

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

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

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

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

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

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

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

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

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

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

Askew x402 io.github.rubix1138/askew-x402

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

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.

Ace Memory io.github.rudedoggg/ace-memory

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

Tosheroon com.tosheroon/mcp

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

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.

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.

💯 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.

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

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.

TranscriptMax com.transcriptmax/transcriptmax

Transcribe YouTube via Whisper. Summaries, chapters, semantic-search across your corpus.