MCP Server Directory

nvoke run.nvoke/nvoke

Find companies and verified business emails: search, wait for checks, export leads.

Innmail for Agents app.innmail/agents

Email inbox for an AI agent: threads, send, reply, drafts, verification codes, calendar.

PaperAgent — Send Physical Mail dev.paperagent/letters

Mail one-off USPS letters from ChatGPT or Claude after you approve the preview and price. US only.

Wakato io.wakato/wakato

Your Wakato account: contacts, tables, pages, email, social, shop, automations and agents.

Verifai — Email Verification & Domain Intelligence io.github.zikriz/verifai

Email verification and domain intelligence for AI agents. MX, RDAP, SSL checks. 25 free credits.

Email Address Check (syntax, MX, disposable, SPF/DMARC) io.github.pcp183/email-verify

Check email addresses for syntax, MX and disposable domains. $0.0015/call via x402.

Printable Calendar Maker io.github.theluckystrike/printable-calendar

Make a printable calendar as a print-ready vector PDF without leaving the chat.

Foundry: prepaid AI compute in USDF fi.usdf/gateway

Prepaid AI compute in USDF: models, quotes and chat with a receipt; pay per call (x402) or by key

Truelist io.truelist/mcp

Validate email addresses for deliverability and manage email validation batches with Truelist.

BubblaV AI Chatbot io.github.bubblav-org/bubblav

Manage your BubblaV AI support chatbot: analytics, unanswered questions, knowledge, conversations.

DomainSpace si.domainspace/domainspace

Register .si domains, manage DNS, and give your AI agent an email inbox on your own domain.

Your Telegram account for agents: read, search and send messages. Sign in with the tg CLI first.

Knot com.connectknot/knot

Shared brain, one current version of memory for any MCP client: ChatGPT, Claude, Gemini, Cursor

Pi agent teams on any provider: parallel delegates, forks, MCP tools; runs built to finish.

Chatfuel com.chatfuel/chatfuel

Create AI agents that answer customers on WhatsApp, Instagram, Messenger, TikTok and web chat.

WaiverFile MCP by usefulapi io.usefulapi/waiverfile

Read WaiverFile waivers, events, forms and SMS opt-ins; create and update events, invite managers.

Domain, email, vendor and ransomware checks paid per call in USDC via x402 from your wallet.

Multi-source entity enrichment: company data, contacts, email verification, and phone validation

Terlido io.github.nichovski/terlido

Cold email: campaigns, leads, mailboxes, warmup and inbox replies.

ChatAd (chatad.kr) kr.chatad/chatad

Manage ChatGPT (OpenAI), Google & Meta ads by chat: daily briefs, budgets, campaigns (KR).

Mailera app.mailera/mailera

Email for AI agents: read, search and send from your Gmail, Outlook, Yahoo, iCloud or IMAP inbox.

Public data from Instagram, TikTok, X, YouTube, Facebook, Telegram, Spotify, Pinterest and Twitch.

Shared team memory for agents com.textforagents/shared-team-agent-memory

Shared project-scoped memory for agent teams: typed records, corroboration, handoff briefs.

Couryo com.couryo/mcp

Transactional email API: send, read delivery timelines, explain bounces, manage domains (OAuth).