"The most widely used models" matching MCP servers:

An MCP server that connects AI assistants like Claude, Cursor, and Windsurf to the Waitlister API. Create waitlists and manage subscribers through natural language.

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.

Waterfall lead enrichment for AI agents. Cascades through Apollo, Clearbit, and Hunter to build the most complete lead profile in a single call.

A server for interacting with the Iaptic API, allowing AI models like Claude to query customer, purchase, and transaction data, as well as retrieve statistical insights.

Exposes FreeTicket's B2B domain (events, sales, tickets, etc.) as tools for MCP clients like Claude Code, using the same authentication as the CLI.

Unofficial MCP server for Siigo Colombian electronic invoicing software that enables AI to manage customers, products, invoices, credit notes, and journals through the Siigo API with configurable safety modes.

The official Model Context Protocol adapter for Salesforce Commerce Cloud (B2C). Empower your AI agents to seamlessly navigate headless storefronts, manage e-commerce orders, and interact with complex SCAPI/OCAPI endpoints natively.

Provides 25 tools to enrich company, person, contact, school, and job data via the Enrich Layer API, enabling lookups, profiles, and contact discovery.

A Model Context Protocol server that provides comprehensive control over the Qualtrics platform, enabling survey creation, question management, logic flows, distributions, contacts, and response exports through natural language.

MCP server for the Gripp API, enabling CRUD operations on Gripp entities with built-in confirmation safety for mutations.

Enables AI agents to create, submit answers, and query profile questions from the White Rabbit Profile Questions API. Supports various question types and batch operations.

Enables MCP clients to read-only inspect a Twilio Segment workspace's sources, destinations, tracking plans, and functions through the Public API without making changes.

Enables creating and managing user profiles with interactive elicitation capabilities that prompt users for missing required information. Demonstrates MCP's elicitation feature by validating profile data and requesting additional details when fields are incomplete.

Provides comprehensive access to People Data Labs' data models and search capabilities, enabling enrichment of person and company profiles, multi-criteria searches, and autocomplete functionality through a Model Context Protocol interface.

Provides tools to check weather information for any city and manage prospects in Upnify CRM with dynamic authentication, eliminating the need for pre-configured credentials.

Provides integration between Hunter API and LLM providers supporting the MCP protocol, allowing natural language interaction with Hunter B2B data for finding and managing company and people information.

The VanMoof MCP Server implements the MCP specification to create a seamless connection between AI agents and key VanMoof services like VanMoof customer data, including bike details, VanMoof rider cities, rider preferences and weekly rides.

Enables AI assistants to manage email campaigns, leads, email accounts, and analytics through the Smartlead API, providing 28 tools for automated email outreach and campaign management.

Integrates with HubSpot CRM APIs via the Model Context Protocol, enabling management of contacts, companies, deals, tickets, notes, engagements, workflows, and more through natural language.

Enables AI assistants to interact with the Multilead platform for lead management, email campaigns, conversations, webhooks, and analytics through 74 API endpoints.

Enables AI assistants to securely interact with the Little Green Light CRM database for tasks like searching constituents, logging gifts, managing groups, and generating reports without third-party middleware.

Enables interaction with Salesforce organizations through SOQL queries, object discovery, and metadata inspection. Provides seamless access to Salesforce data and schema information through the Salesforce CLI.

Connects AI assistants to Mintline receipts and transactions via the Model Context Protocol. It enables users to search, filter, and manage financial records, including matching receipts with bank transactions through natural language.

An integration server that enables AI agents to securely interact with Bitrix24 CRM data like contacts and deals via the Model Context Protocol. It provides standardized tools and resources for searching, retrieving, and updating CRM entities through the Bitrix24 REST API.

A Model Context Protocol server that enables integration with the Teamtailor API, allowing users to list, filter, and retrieve candidate information from their Teamtailor recruitment platform.

MCP server for Follow Up Boss CRM with 157 tools covering 100% of the official API. Manage contacts, deals, pipeline, tasks, emails, smart lists, action plans, webhooks, and more through natural language.

Minimal MCP server exposing the Connectif HTTP API to MCP clients over stdio, enabling operations like contacts, purchases, products, exports, imports, workflows, and more.

A comprehensive Model Context Protocol server that enables interaction with the Klaviyo API, providing tools and resources for managing customer profiles, lists, segments, campaigns, flows, and various marketing automation features.

Integrates with the Tomba.io API to provide email discovery, verification, enrichment, phone lookup, and company research capabilities through standardized MCP tools, resources, and prompts.

Connects Claude Code to the theLeadRouter lead routing platform, enabling lead management, routing, and reporting via API.