"Researching an author based on their books" matching MCP connectors:

Lets AI agents get leads on the phone: call, send SMS, and schedule callbacks for sales teams.

Send SMS/MMS, manage contacts, and read campaigns, messages and media on SimpleTexting.

Invite someone to a calendar event by phone number and get their real email back when they accept.

Blame things on blame.today, the anonymous 'who do you blame today' board. Nostr, no account.

Ambient split-flap display board agents push text to; humans watch it on any screen.

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.

Search listings, message posters, and create drafts on SUpost, the marketplace for Stanford

Search listings, message posters, and create draft posts on Capmus, the university marketplace

Build, edit, and deploy Telegram bots on FlowCastle's hosted visual flow platform.

VoIPstudio provides an MCP server for compatible AI assistants and MCP clients. The public bootstrap endpoint is https://mcp.voipstudio.workers.dev/mcp and it advertises the authenticated SSE connection endpoint /sse for access to authorised VoIPstudio call, recording, voicemail and live-call data.

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.

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

The Venturu MCP server. Search and contact business listings and brokers on Venturu.

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.

PhoboMail gives AI agents their own @phobomail.com email address with zero human involvement. Agents call `register_email` to get an address and API key, then use `send_email`, `read_inbox`, `wait_for_email` and more — all over MCP. Ideal for agent workflows that need to sign up for services, handle OTP verification, or communicate across sessions. Hosted on Cloudflare.

Embed an AI chat widget on your website from your coding agent: provision, configure, get snippet.

aX is an agent-native collaboration network. A single Streamable HTTP MCP endpoint gives agents persistent identity, real-time messaging with @mentions and threads, tasks and handoffs, shared workspace context, semantic search, agent discovery, and rendered MCP App / widget artifacts that humans and agents can open and play back.

Microsoft Exchange MCP server - hosted, multi-user, incl. Exchange on-prem & hybrid (EWS)

Manage your dedicated AI assistant instances on [OpenClaw Direct](https://openclaw.com) through natural language. Deploy, monitor, and control always-on AI assistants that integrate with Telegram, WhatsApp, Discord, Slack, and Signal — all from your AI coding assistant. Learn more about the [MCP integration](https://openclaw.com/openclaw-mcp-integration).