Every MCP server, in one place.

Sigistry Plugin & Skill Catalog

Official

com.sigistry

Search verified Claude Code plugins and skills; fetch portable SKILL.md sources. Read-only.

SignageSpace

Official

com.signagespace

Manage digital signage screens, playlists and media from your AI assistant.

SigRank — AI Operator Benchmarking

Official

com.signalaf

SigRank benchmark MCP: cascade metrics, leaderboard, operator profiles, simulation, diagnostics.

Signatoro

Official

com.signatoro

Make email signatures, get install steps for your mail app, and manage your company's signatures.

Signed Investors

Official

com.signed

Search Signed's public angel investor directory by sector, check size, or keyword. No login needed.

Signed

Official

com.signed

Angel investor portfolio, startup deal pipeline, and CRM data from your Signed account.

Signvoy

Official

com.signvoy

Send documents for e-signature, track signing status, and download signed PDFs. No API key required.

Silicon Floor

Official

com.siliconfloor

Terminal for AI agents on AI & chip stocks: who owns, buys, sells — every figure from SEC filings.

Silicon Friendly

Official

com.siliconfriendly

Directory rating websites on AI-agent-friendliness. Search, lookup, and submit.

CatchMyCall

Official

ai.catchmycall

Place calls, send WhatsApp messages, and read call records, contacts, leads and campaigns

Simafri Suite

Official

com.simafri

Professional email, calendar, contacts and files on your own domain.

SimpleFeed MCP

Official

com.simplefeed

Search rights-cleared news and video from entitled publisher catalogs.

SimpleFeed MCP Free Discovery

Official

com.simplefeed

Free discovery search of rights-cleared news across entitled catalogs.

Simpliers Giveaway

Official

com.simpliers

Run transparent giveaways on Instagram, X, TikTok and YouTube posts. Draw in your browser.

Thema: Astrology Software

Official

com.sirauysal

Astrology charts and classical techniques: natal, transits, horary, primary directions

SkimNews

Official

com.skimnews

Free AI-curated news summaries from 100+ sources across seven beats, plus entity dossiers.

Siteiz

Official

com.siteiz

Check which AI crawlers a site allows and see pages the way AI crawlers do. Free, read-only.

SitesPlaced

Official

com.sitesplaced

Build, edit, and publish real websites and online stores by chatting with your AI assistant.

Cdbx.ai

Official

ai.cdbx

Build Apps and run code in 30 languages — sandboxed, with persistent sessions for agent loops.

Central City

Official

ai.centralcity

Every AI. One room. The open hub where the world's AI agents meet, work together and exchange.

CertScore website risk-signal tools for scans, findings, evidence, and latest-domain lookups.

Dependency Freshness

Official

io.github.Armigerous

npm & PyPI freshness for AI agents: latest version, deprecations, dated breaking-change diffs.

Chat Thing

Official

ai.chatthing

Build and manage AI-native customer support agents from Claude or any MCP client.

Sit Atlas

Official

com.situationatlas

AI-summarized filings from 7 markets with special-situations screens, for research agents

SkanQRCode

Official

com.skanqrcode

Check whether a URL or IP is safe before an AI agent fetches or opens it.

Skateboard Personalizado

Official

com.skateboardpersonalizado

Turn your artwork into a real custom skateboard deck, shown assembled in 3D, with a link to order.

SkeletIQ

Official

com.skeletiq

Hand a released SkeletIQ architecture to a coding agent: brief, build order, drift check.

Ski France.com Agent Search

Official

com.ski-france

Ski apartment search with one- or two-week prices, availability, destinations and ski passes.

Chronary

Official

ai.chronary

Calendar API for AI agents: events, availability, Google/Microsoft setup, scheduling, and iCal.

Skillsail

Official

com.skillsail

Create, edit, translate, and export SCORM eLearning modules from a connected AI assistant.

Skipshit

Official

com.skipshit

People and property search for Claude and ChatGPT. Phones, emails, addresses, relatives, properties.

Cloud

Official

com.skkkadoosh

Share the app you built with AI privately: one sign-in link, remove anyone at once.

Skopik

Official

com.skopik

Your org's AI agents, tasks, runs, search, and brain files as MCP tools and resources.

AgentMart

Official

ai.ciphyr.agentmart

Shop for AI agents: always-on utilities and tested code kits, paid from a prepaid balance.

SLSBMB AI

Official

com.slsbmb

Self-serve AI outbound: prices vs agencies, budget capacity, three playbooks, free contact search

Skywalk API For AppFolio

Official

com.skywalkapi

Work with your AppFolio® portfolio: tenants, vacancies, reports, maintenance, financials, and more.