"An example MCP for client prototyping in a business context with a public API call" matching MCP servers:

MCP server for the WhatsApp Business API that enables managing business accounts, phone numbers, message templates, sending template messages, and tracking message status via the Meta Graph API.

Read-only MCP server for Twilio call data, providing tools to search calls, fetch recordings and transcripts, list agents, and generate summaries while explicitly handling timezone and duration measurement discrepancies.

Enables an Alexa+ host to place and manage customer-care calls by building a case, navigating phone menus, waiting on hold, explaining the issue, guarding sensitive disclosures, handing off identity checks, recording ticket numbers and promises, and scheduling follow-ups.

Enables voice assistants to find nearby service providers, connect users to live video representatives for natural conversation, and handle appointment booking. It also returns confirmed bookings so the assistant can add them to its calendar.

Enables interaction with WhatsApp Business tools and services through a unified API.

Enables agents to query historical call-center call reason notes and tags on demand, detect statistically significant emerging problem spikes against baselines, and evaluate automated categorizers against ground truth.

Fetches category data from a Q&A service API and returns a markdown summary grouped by category.

Run free live audience Q&A and polls from your agent: start an AskOne room, add and launch a poll, approve or hide questions and mark them answered, close the room, then read the questions as a FAQ draft and get the results. Free AI moderation. Uses an organization API token from askone.org

Enables AI agents to query a local bakery's hours, menu, custom-order availability, and submit demo inquiries through a clean MCP interface.

MCP server that exposes Google Business Profile / Google My Business REST APIs as MCP tools, returning Google API responses directly without added workflow or business logic.

MCP gateway for GREEN-API WhatsApp that lets AI agents send messages, manage instances, and receive notifications via WhatsApp using the Model Context Protocol.

Enables AI assistants to send text, media, pre-approved templates, and interactive quick-reply buttons through Meta's official WhatsApp Business Cloud API, check phone quality ratings, list message templates, and call arbitrary Graph API endpoints.

Manage WhatsApp Business templates and send messages from Claude, ChatGPT, Cursor, VS Code Copilot, or any MCP-compatible client — powered by the Meta Cloud API.

Send WhatsApp messages from any MCP client — text, images and files, plus session management and contact checks. Authenticate by scanning a QR code: no Meta Business approval and no WhatsApp Business account required.

MCP server that wraps the Evolution API (WhatsApp) as semantic tools for LLM agents, enabling messaging, chat management, group operations, and instance control via natural language.

An MCP-compliant server that enables AI assistants like Claude Desktop to access and analyze Intercom support tickets with full conversation history.

MCP server enabling interaction with ServiceNow API for managing incidents, CMDB, change management, and other ServiceNow operations via natural language.

A Model Context Protocol server that enables Claude to interact with WhatsApp through the Evolution API, allowing for message sending, contact management, group operations, and WhatsApp instance administration.

Connects a Google Business Profile to AI assistants like Claude, ChatGPT, Cursor, and Claude Code so users can query local search and Maps performance, track keywords, and monitor reviews through natural language. It also supports write actions for replying to reviews, publishing local posts, and managing photos and menus, with per-account read-only or read-and-write controls.

Enables sending messages, managing templates, uploading media, and configuring webhooks for WhatsApp Business via the MCP protocol.

Enables an agent to operate a single Evolution API v2 WhatsApp instance: read chats and message history, send text, media and polls, and manage groups, contacts, labels, templates, profile, webhooks and chatbots. It supports WhatsApp Web/Baileys, the official WhatsApp Business Platform and Evolution integrations, running locally over stdio or as a hosted server with toolset, policy and read-only controls.

Enables Boneyard to call authenticated, stateless Streamable HTTP tools for searching tickets and adding ticket comments, with caller context, attribution, and bounded results.

FastMCP cloud server enabling AI assistants to manage outbound call campaigns, schedule calls, list agents, and access call data via HTTP.

Simulates a multi-tenant customer support backend with tools for profile, order, ticket, and refund management, demonstrating security controls like tenant isolation, role-based access, and input validation.

Connects AI agents to the WhatsApp Business Cloud API, allowing them to send messages, manage templates, and retrieve account analytics. It facilitates automated customer interaction and marketing campaign management through the Model Context Protocol.

MCP server exposing the complete Placetel Web API v2 with 124 tools for managing telephony services, contacts, calls, and more.

Enables managing Ozon Seller and Performance APIs through MCP, covering products, stocks, prices, orders, finance, analytics, advertising, reviews, and chat operations.

Enables AI assistants to fetch, analyze, and respond to Google Business Profile reviews with AI-generated replies through secure OAuth integration with Google's My Business API.

Enables AI assistants to manage WhatsApp instances, send and receive messages, run campaigns, configure webhooks, manage team members, and view metrics through OAuth-secured MCP tools, with optional message replies on the user's behalf.

Enables interaction with the HaloPSA API for managing tickets, clients, assets, and more through natural language commands in Claude Desktop.