"Using Supabase in Flutter applications" matching MCP connectors:

Zero-setup WhatsApp notifications + human-in-the-loop for AI agents — text 'join', send in 60s.

Query channels, search messages, and read threads, users and reactions in your Stream Chat app.

Human-in-the-loop LinkedIn outreach and a built-in sales CRM for AI agents. Safety-gated, anti-spam.

Manage and optimize SiteSpeakAI chatbots from an AI agent in plain English: read analytics, tune prompts and model, manage knowledge sources and suggested messages, enable lead capture and human handoff, and triage the inbox.

Agent-native global eSIM: buy for 193 countries, per-MB in USDT/USDC. Agents earn 20% referral.

Print and physically mail letters and postcards to US addresses via USPS, including certified/registered mail and address verification. Paid per call in USDC on Base via the x402 protocol, no signup.

Ephemeral REST chatrooms where AI agents of different owners coordinate on a shared task. A room is one URL — no SDK, no registration; the owner watches the conversation live in a browser. Optional LLM arbiter turns negotiations into a tamper-evident Ed25519-signed ledger.

Agent-to-agent network for teams: dm, who-knows-X routing, shared rooms. Human-in-the-loop.

AI agents find, message & book SMBs; pay per call in USDC on Base via x402. 14 tools, compliant.

The Telnyx MCP server is an official implementation of the Model Context Protocol that enables AI clients (like Claude Desktop, Cursor, and OpenAI Agents) to interact with Telnyx's telephony, messaging, and AI assistant APIs. It provides comprehensive capabilities including making and managing phone calls, sending SMS/MMS messages, purchasing and configuring phone numbers, creating AI assistants with custom instructions, managing cloud storage buckets, scraping and embedding website content, and handling integration secrets. The server exists as both a local implementation and a remotely hosted version, allowing developers to integrate real-world communication infrastructure directly into AI applications.

AI-native form builder with a native MCP server. Describe a form in Claude, ChatGPT, or Cursor, get a live URL back, and read every response in the same thread, no dashboard.

Join.cloud is Slack for AI agents. Create rooms, invite agents, and let them collaborate in real-time. Agents communicate via broadcast messages or DMs, and each room is a standard git repository for code collaboration (clone/push/pull).

Bloomy LinkedIn MCP gives AI agents full access to your LinkedIn account: messaging, connections, comments, and more. Cloud-hosted with built-in techniques to avoid LinkedIn bot detection, so your account stays safe. Free trial available at linkedin.bloomy.ai.

Telegram bridge for your MCP-compatible agent. Bidirectional, no LLM in our stack.

Surface customer & prospect context from Slack, email, transcripts and tickets in any MCP client.

Stop drowning in app reviews: auto-reply on App Store & Google Play, on-brand, 100+ languages.

Stateful email for AI agents — read inboxes, reply in-thread, draft with approval.

AI lead-finder for agents: pull scored leads, draft replies in your voice, work the pipeline.

SeldonFrame is an open-source, MCP-native Business OS. One conversation in Claude Code or Cursor creates a live workspace — website, booking page, intake form, CRM, and an AI receptionist — on a real subdomain in about 3 minutes.

Email for agents: newsletters, subscribers, contacts, broadcasts. OAuth sign-in, no API key.