"UML diagram generation tools and software like Mermaid or Visio" matching MCP servers:

Model Context Protocol server for interacting with the HaloPSA API, enabling AI assistants like Claude to manage tickets, users, and assets in HaloPSA through natural language.

Provides MSP support tools (ticket search, draft response, KB search, update) with a deterministic security guardrail that refuses to draft responses for security tickets based on content scanning, even if mislabeled.

Protects AI support tools with Descope JWT authentication and scope-based authorization, enabling secure customer support operations like refunds with granular access control.

Enables AI agents to search HR policies, create IT support tickets, and send external emails with configurable security levels and human-in-the-loop validation.

Enables HG Insights GTM teams to draft and manage outreach, research accounts, look up customer support data, and access CRM, Pylon, Jira, Weflow, and knowledge base tools through Claude Desktop.

Enables AI-assisted field service management through the Service Fusion API, including job lookup, customer management, dispatch, invoicing, and equipment tracking.

Validates whether phone numbers are registered on WhatsApp, supporting single and bulk (up to 10) number checks.

Enables AI-driven customer support ticket processing, including classification, response generation, and automated email sending and Google Sheets logging.

Enables LLM agents to operate WhatsApp through the Evolution API, providing tools to list groups, fetch message history, and send text messages to groups or individual phone numbers.

MCP server for managing and composing customer replies for a phone and computer repair shop, with built-in templates and WhatsApp link generation. Supports Arabic and English.

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.

Enables AI assistants like Cursor to manage customer support tickets in SQLite through MCP tools, supporting creation, retrieval, search, and updates via natural language.

MCP server that exposes the i-net HelpDesk Ticket Web-API as tools for AI agents, enabling ticket search, reading, creation, and actions like replying, closing, and escalating, with attachment support.

Official remote MCP server for Lobby, the bilingual AI receptionist. Five free no-auth tools: business phone scripts and IVR menus (English + Mexican Spanish), ElevenLabs agent system prompts, missed-call cost math, and a hire-a-receptionist verdict.

Enables fetching and searching Freshdesk tickets, including details like conversations, attachments, and custom fields, via natural language queries.

An MCP server that exposes governed CXone WFM Intraday tools to an AI assistant, enabling real-time analyst workflows like risk assessment and SLA recovery using synthetic data.

Enables API documentation lookup and live API tools for managing Upmind platform resources like brands, products, clients, invoices, and tickets through natural language.

Enables AI assistants to manage marketing campaigns, Facebook accounts, and lead generation tasks through the MessengerFlow platform. It provides tools for interacting with messaging inboxes, scraping leads, and accessing real-time performance analytics.

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

MCP server for Gmail shared inboxes and WhatsApp — read, reply, search, and organize your team's email from Claude, ChatGPT, or Cursor. 47 tools covering email threads, WhatsApp messaging, boards, contacts, knowledge base, analytics, and automations.