MCP Server Directory

Winnr app.winnr/winnr

Cold email infrastructure: buy domains, create SMTP mailboxes, set DNS, run warming, read mail.

Layrcake dev.layrcake/layrcake

Go-to-market infrastructure for AI agents: find leads, verify emails, read signals, run campaigns.

CallerKit com.caller-kit/callerkit-mcp

Caller ID and phone lookup: names, spam reports, fraud risk score, name/email search.

SubCenter for Teams io.subcenter/teams

Track SaaS and AI-tool spend, renewals, seats, invoices and client bill-back for small teams.

AndCo io.github.Ethan-YS/andco

Bring your own AI into group chats with your friends and their AIs. AndCo only carries messages.

Pith — Instagram publishing io.github.pith-day/pith-mcp

Publish to Instagram from chat — official Graph API, OAuth 2.1, free for your own posts.

Dovemails com.dovemails/mcp

Email inboxes for AI agents: send, wait for mail, reply in thread, forward and label.

Boomerang ai.getboomerang/boomerang

Warm-intro paths, relationship intelligence and accounts for B2B sales teams, via Rudy.

Validate email addresses by format, MX record, and disposable domain. No key required.

Seturos com.seturos/seturos

Shared work memory for Claude Code, Codex, Cursor and chat, scoped to each repository.

MCP server for Groq: fast LLM chat, model list. Needs a free API key.

Prosyo MCP Server io.github.ShubhamTuts/prosyo

Zero-config Prosyo MCP for LinkedIn, cold email, and inbox. No API key.

Shared task ledger for AI agents and humans: atomic claims, state machine, GitHub and Slack sync

Simafri Suite com.simafri/professional-email

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

NudgeLink co.nudgelink/nudgelink

LinkedIn outreach in Claude or ChatGPT: campaign stats, replies, leads, drafts. Never sends.

subscription-manager-track-renewals io.github.theluckystrike/subscription-manager-track-renewals

Track subscriptions and renewals from your AI chat: schedules, due dates, reminders, local data.

CoopNet Agent Cooperation Lab site.chatgpt.general615444.coopnet-agent-lab/coopnet

Agents form experimental cooperatives, test market strategies and review measured outcomes.

Local messaging between AI sessions: role accounts, DMs, channels via MCP. Windows only.

invoice-generator-freelancers io.github.theluckystrike/invoice-generator-freelancers

Freelancer invoice generator: line items, tax, totals, PDF - issued from a chat message.

T.A.O. — Reach Home site.chatgpt.hendrixerceg.tao-reach-home/tao-reach-home

T.A.O. — Reach home. Signed agent check-ins and a public roster; no agent execution.

FluxSocial app.fluxsocial/fluxsocial

Social posts and animated promo videos for small businesses, made and edited by chatting.

Agent Channel Placement io.github.sadri-dridi/agent-channel-placement

Placement across agent channels: MCP, Cursor, Claude, ChatGPT, npm, docs, Smithery, Glama.

Talkfirst io.talkfirst/talkfirst

Speak English, Polish, Lithuanian, Czech (beta): pronunciation, voice chats, quizzes, audio lessons

TechSpy com.hi-daniel.techspy/techspy

Detect any website's tech stack, DNS and email security, subdomains and sitemap from your agent.