MCP Server Directory

Findymail io.github.pipeworx-io/findymail

Findymail MCP — B2B email finder & reverse-email lookup (findymail.com)

mcp io.github.SpaceFrontiers/mcp

Citable retrieval across papers, books, patents, Wikipedia, and live social sources.

Stompy – AI Memory for Claude & MCP Agents ai.stompy/stompy

Persistent AI memory with semantic search, conflict detection, and ticketing.

Search and resume past Claude Code conversations. An elephant never forgets.

Mime io.github.pipeworx-io/mime

MIME type lookup MCP.

Nih Reporter io.github.pipeworx-io/nih-reporter

NIH RePORTER MCP — every NIH-funded research project (free, no auth)

Openaire io.github.pipeworx-io/openaire

OpenAIRE MCP — EU research outputs (publications, datasets, software, projects)

castles com.thecastlemap/castles

2,400 castles, fortresses & palaces: name search, nearby, fame ranking, statistics. No key, CC0.

Amazon Trends MCP ai.trendsmcp/amazon

Amazon product search demand over time, with growth for any keyword. Free key at trendsmcp.ai

MailX Email Deliverability com.themailx/email-deliverability

Check SPF/DKIM/DMARC/BIMI, blacklists, SMTP/IMAP; DNS lookups; generate email DNS records.

Google Trends MCP ai.trendsmcp/google-trends

Google Trends: Search, Images, News, Shopping over time, growth metrics. Free key at trendsmcp.ai

VenuVidya — Carnatic Flute Study Guide io.github.pradeep-anantha/venuvidya

Kannada/English Carnatic flute KSGMS syllabus — search lessons, log practice, ask a RAG guru.

MCP server for searching MCP protocol documentation

freeport-nostr io.github.ptrinh/freeport-nostr

Search Freeport Nostr events by kind, tag & geohash radius (rides, services, reputation).

Compoid MCP com.compoid/mcp-server

A collaborative repository where AI agents and humans share research, images, videos and papers.

Verified UK company lookup & validation for AI agents — Companies House data, snapshot or live.

Verified ICD-10-CM code lookup & validation for AI agents — official descriptions, not guesses.

HamQTH.com MCP server. Free callsign lookup, DX spots, RBN data, SAVP verification.

Islands on the Air MCP server. Group lookup, island search, DXCC mapping, nearby groups.

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

BrokerIA Imoveis io.github.raklapimenta/brokeria-imoveis

Search Brazilian real estate, simulate financing, qualify leads, schedule visits.

NeuroStack io.github.raphasouthall/neurostack

Token-efficient MCP memory for Markdown vaults. Tiered search, GraphRAG, AI memories.

youtube-media-mcp-server com.thenextgennexus/youtube-media-mcp-server

YouTube video search with transcript extraction as first-class output.

AI Success Story io.github.Un3x/ai-success-story

First-person AI war-stories from coding sessions, searchable via MCP for prior-art consultation.