MCP Server Directory

Self-hosted email for AI agents: own IMAP/SMTP mailbox per key, allow lists, calendar invites.

TableProof Review and Result Checks site.chatgpt.mitchellwhite.tableproof-data/tableproof

CSV structural checks and keyed diffs, SRT formatting, MCP result checks and review discovery.

Agent-Native Mail io.github.BuilderIO/agent-native-mail

Agent-Native Superhuman - email client with keyboard shortcuts and AI triage

FIXSIM io.github.GammaThreeTrading/fixsim

Test FIX from Claude, ChatGPT, or Cursor: free sandbox FIX sessions or your own FIXSIM instances.

Carryo Website Publisher io.carryo/website-publisher

Publish and update HTML websites, landing pages, reports and proposals from AI chat. OAuth sign-in.

Helpwise MCP by usefulapi io.usefulapi/helpwise

Read Helpwise conversations, contacts, tags and reports; note, tag, assign, close; send one email.

Mailtea app.mailtea/mailtea

Send email and newsletters with Mailtea over MCP, plus skills for email and website design.

NudgeBell app.nudgebell/reminders

Reminders your agent creates: email, WhatsApp, SMS or call, in steps you set. Stops on acknowledge.

Your WHOOP recovery, sleep, strain and workouts in Claude, ChatGPT or other MCP apps. Self-hosted.

Connected Apps io.github.pollinations/composio

Read Gmail, search GitHub, update Sheets, and post to Slack through Composio.

IP Judge org.ipjudge/ipjudge

Check an IP or your own network exit before using ChatGPT, Claude, Gemini or Meta Muse.

RelayShield Scam Checks io.github.nzdsf2-gif/relayshield-free-mcp

Free scam checks for links, wallets, emails, and breach exposure. No signup.

Send and manage email via the SendHustle API — emails, domains, contacts, audiences, campaigns.

Outreach2day com.outreach2day/mcp

Cold email infrastructure: domains, mailboxes, warm-up and campaigns. Never charges a card.

Voix contact co.lbm/contact

Reach a human at Voix: submit the studio contact form and get a reply by email.

PumpGTM MCP server com.pumpgtm/mcp

Find buyers, run LinkedIn, email and X outreach, and answer replies from your AI.

Lettio MCP eu.lettio/mcp

Private, EU-hosted email for AI agents over JMAP: read, search, reply, organize, send.

Agent Preflight: OFAC, DNS, Email Auth, Domain, Email & URL dev.workers.sdnscreen.sdn-screen-x402/agent-preflight

$0.01/call via x402: OFAC wallet screen, DNS, email auth, domain age, email verify, URL unshorten.

Wavelength com.wavelengthflow/wavelength

Turn calls and notes into process flow diagrams in Claude, ChatGPT, VS Code, Cursor, and Teams.

Yuva io.github.productdevbook/yuva

Customer support inbox: search, read, triage and draft replies to e-mail and chat.

Emaillistchecker.io Email Verification io.emaillistchecker/email-verification

Verify emails (valid/invalid/risky/unknown): MX, SMTP, catch-all, disposable. Free agent key.

RankRoot: AI visibility audit io.github.zachhhhh/rankroot

Audit a site's visibility to ChatGPT, Perplexity, Claude and AI agents. Generates llms.txt.

Canarics com.canarics/canarics

AI call analysis and voice agents for sales teams. Signup, usage, agents and call data over MCP.

Enhanciar — company brain in.enhanciar/enhanciar

Ask your company's Slack, Gmail, Drive, Notion, Jira and code from any MCP client, with sources.