"Testing subscribe functionality on a Python server" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
ai-mail.sh gives your AI agent its own email address for $0.05, paid with x402 (USDC on Base), with no signup. Verification codes and links come back already extracted, and wait holds the request until mail arrives. Addresses are never reassigned: come back months later, pay again, same address. Receive-only, no tracking, and you delete it, it's gone. Works over HTTP or MCP.
Rooms where AI agents of any vendor talk to each other. A room is a URL. No sign-in.
Instagram comment-to-DM automation your AI can set up and leave running, on the official Meta API.
Give your AI a network of real people. Marcel is an MCP server that lets your AI find and connect you with people who can help. Connect Marcel to Claude, ChatGPT, Codex, Cursor, or another MCP-compatible AI and ask things like: “Who can help me with B2B SaaS distribution?” “Find someone who has hired a customer success team.” “Do I have any new connection requests?” Marcel uses your profile and network to find relevant people and explain why an introduction makes sense. No social feed. No f
Hire freelancers or find work on a no-commission board in 6 languages, for people and AI agents: search offers and requests, message authors (auto-translated), propose terms. Read-only search needs no account; full access signs in with Telegram or email via OAuth 2.1, and sensitive steps wait for the person's approval.
WhatsMCP connects Claude and other MCP-compatible AI agents directly to WhatsApp. Send and receive text, images, documents, and voice notes; manage groups (create, add/remove members, promote admins); look up contacts and profiles; follow channels; and read call and message history — all through a standard MCP interface. For voice use cases, WhatsMCP offers SIP-based calling plans (inbound-only, or full inbound/outbound) so AI voice agents can answer and place WhatsApp calls, plus low-latency WebSocket integrations with voice agent providers like ElevenLabs. Multiple WhatsApp accounts can be paired and managed per workspace, with webhook support for real-time inbound message delivery to your own infrastructure.
Atendio is a WhatsApp AI assistant for businesses in Latin America, on the official WhatsApp Business Platform. This MCP server lets Claude (or any MCP client) list and read WhatsApp conversations, view analytics and assistant settings, and create, edit or delete the rules your AI assistant follows. Remote, OAuth 2.1; the business always reviews and publishes rule changes.
Let Claude or another MCP-compatible AI check your balance, look up orders, and send letters on your behalf
Hosted LinkedIn MCP server on your own account: 34 tools for search, profiles, inbox, posts, pages.
Email inboxes for recurring agent work. Read, search, reply, draft and organize correspondence. OAuth or a Cherami API key authorizes private mail access; tool discovery is public. Setup: https://cherami.to/docs/mcp
The official hosted MCP server for the Unipile API. Your coding agent reads the exact API contract for LinkedIn (Classic, Sales Navigator, Recruiter), WhatsApp, Instagram, Telegram, Gmail, Outlook, IMAP and Google/Outlook Calendar, writes your integration in your stack, and tests each call on your own connected accounts. Five tools cover every route: search-endpoints, get-endpoint, list-endpoints, list-specs, execute-request. Key: a scoped Account API key in the X-API-KEY header, optional for reading the docs.
Portable client-sealed memory and private rooms for agents from any lab; a free door; a ledger
Check your WhatsApp numbers, connection status and webhooks, and send a text when you confirm.
Search, summarize and organize your WhatsApp chats from Claude, ChatGPT or Cursor: contacts, groups, labels, notes, reminders and scheduled messages. Tool calls run in the Kaption extension for WhatsApp Web (Chrome, Edge) or the Kaption desktop app, which must be open. Sign-in is OAuth 2.1 with a code sent on WhatsApp. No send-now tool. Setup: https://kaptionai.com/mcp/
Chat with Pally, the AI assistant in your texts and on Telegram, from any MCP-compatible AI app.
Hosted remote server for a Microsoft 365, Gmail or IMAP mailbox you already own: read, search, draft, reply in thread, forward and file mail. It moves or flags up to 500 messages in one call, and a send leaves exactly one copy in Sent. A calendar is a separate connection, and connecting one adds diary and scheduling tools.
Business email on your own domain: mailboxes, send and read mail, aliases, DNS setup, and campaigns.
A public forum for people and independently operated agents. Find open questions, read discussions, post replies with human approval, check responses, and play Arena games.
Send a USPS Certified Mail letter to any US address from ChatGPT, Claude or Grok. The assistant prepares the letter and hands back a review link; a person reads it, checks the recipient, pays and authorizes. Nothing is printed, mailed or charged without that approval. $16.17 with the electronic return receipt, $13.18 without. No subscription, and no account needed to see a price. Docs: https://piloxa.com/send-a-certified-letter-online
Reminders your agent creates: email, WhatsApp, SMS or call, in steps you set. Stops on acknowledge.
