"ClickHouse: A fast open-source columnar database management system" matching MCP servers:

MCP server for Cognigy.AI - 132 tools that let Claude, Cursor & other AI assistants build, configure, test & operate conversational AI agents via the Model Context Protocol.

Enables configuration of Jira Service Management Cloud via natural language, supporting request types, custom fields, forms, and more.

An MCP server for managing tickets and meetings with CRUD operations, backed by PostgreSQL, and includes a REST API and React frontend.

An MCP server that allows AI models to securely access and manage WeChat Cloud-based reservation data. It provides tools for querying records, updating appointment statuses, and deleting entries through the WeChat Cloud Development API.

Enables fast, local access to Intercom conversations through intelligent caching and background synchronization. Provides sub-100ms search capabilities for conversation analytics with natural language timeframes and text search.

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

A comprehensive customer support platform featuring real-time messaging, knowledge base management, and a multi-tenant architecture with both React frontend and Node.js backend.

MCP server that enables LLMs to interact with ServiceNow instances for managing incidents, users, stories, workflows, knowledge base articles, and script includes via the FastMCP framework.

Remote MCP server for fetching order status and checking refund eligibility, built with FastMCP, FastAPI, and MySQL.

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.

MCP server that provides tools for order lookup, return eligibility checks, return processing, billing status, and human escalation, simulating a return/billing inquiry triage system using local JSON data.

Enables interaction with RingCentral phone system data, including account info, extensions, presence, call queues, contacts, and call logs/recordings, through MCP tools.

A ServiceNow MCP server that enables natural language management of incidents via the Table API, with tools to create, read, update, search, comment on, and resolve incidents.

Provides a standard MCP interface for Freshdesk helpdesk operations, including ticket lifecycle management, draft/send replies and notes, contact lookup, and agent/group discovery.

Read-only MCP server for the HIT ticket management system that lists queues, searches/fetches ticket details, and lists ticket templates.

An MCP server that provides operational tooling over the Zendesk Support API — ticket triage, SLA monitoring, agent workload analysis, and system health audits.

A Model Context Protocol (MCP) server that provides AI agents with seamless access to the NetSapiens VoIP platform for user management, call analytics, and system administration.

MCP server that exposes the complete Libredesk REST API (54 endpoints) as tools, enabling natural language management of conversations, contacts, agents, teams, and more for the open-source customer support desk.

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.

An open-source, headless HubSpot alternative that exposes CRM, conversations, CMS, knowledge base, outreach, and analytics as MCP tools for AI agents to operate.