"A simple MCP server or implementation" matching MCP servers:

Enables users to connect to Salesforce and perform CRUD operations, run SOQL/SOSL queries, and manage records through a lightweight MCP server with built-in safety gates for writes.

Enables AI assistants to manage Bitrix24 CRM entities, tasks, project kanban boards, and Scrum sprints through an incoming webhook, requiring explicit user confirmation for all write operations.

Provides read-only access to the Planning Center People API, enabling natural language queries for people, households, background checks, and lists.

MCP server providing business tools for customer support and account management, integrated with SQLite, OpenAI, and Streamlit.

Enables querying client onboarding status and basic client info (name, family) via two tools, designed for integration with Microsoft Copilot and Teams.

Enables read-only access to InvoiceNinja data, including invoices, expenses, clients, and tax reports, for AI assistants like Claude.

Enables AI agents to safely operate HubSpot CRM contacts, deals, and pipelines via MCP, with caching, idempotency, audit trails, and robust error handling.

MCP server for Apollo.io B2B data discovery and enrichment, enabling company search, people search, contact enrichment, and organization firmographics through Apollo's REST API.

Enables AI assistants to enrich contacts and build audiences via the YourICP API. Provides tools to set an API token, submit contact lookups by email or LinkedIn URL, and poll for enrichment results.

A locally-hosted MCP server enabling AI agents to securely interact with SmartSuite data, with configurable access modes and audit logging.

A production-grade MCP server for Zendesk that provides ticket management, search, user/group operations, and knowledge base access with support for local stdio and remote HTTP transports, authentication via API keys or OAuth, and multi-tenancy.

An MCP server for Freshdesk that identifies which tickets actually need a reply, and provides tools to read, draft, and respond to tickets while respecting your account's custom statuses.

MCP server for the Rizerve direct booking platform. Enables managing properties, bookings, availability, iCal sync, analytics, and webhooks through AI assistants.

A Model Context Protocol (MCP) server that provides access to Modus's RevOps and Sales Insights API for retrieving headcount data, attrition predictions, sales performance metrics, and capacity planning insights.

Connects Claude to Jobber to manage clients, jobs, invoices, quotes, and scheduling through natural language.

A Model Context Protocol server that enables AI assistants like Claude to interact with Zendesk Support through natural language for searching, creating, updating, and managing tickets.

Ten typed tools that let Claude Desktop, Claude Code or any MCP client work with a company operations dataset: customers, orders, invoices, payments and stock. Every call is validated against a schema and recorded in a log. Python, official mcp SDK with FastMCP, MIT licence.

An MCP server for Dolibarr ERP/CRM that lets Claude or any MCP-compatible client read and manage thirdparties, commercial proposals, contracts, and invoices directly.

MCP server providing 83 tools to manage Aircall calls, transcriptions, AI insights, contacts, SMS, users, teams, and more via the Aircall Public API, compatible with Claude Desktop and other MCP clients.

A comprehensive MCP server that connects AI assistants to GoHighLevel CRM, enabling management of contacts, conversations, calendars, pipelines, payments, and more through 60+ tools.