"The most widely used models" matching MCP servers:

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

Connects your LCApps CRM with AI assistants like Claude, enabling querying and creation of CRM data such as clients, invoices, and expenses. Optionally allows saving PDF documents locally when used as a package.

The most complete MCP server for Microsoft Dataverse.

Enables Claude to interact with the Lever ATS for candidate management, interviews, feedback, and more, using OAuth with Google Workspace for Samba employees.

Resolves any combination of company name, domain, or LinkedIn URL into the canonical company identity (name, domain, LinkedIn URL) with confidence scores and match method.

MCP server for the Mamba Labs People Finder & Email Verifier actor on Apify. Give it a company domain, name or LinkedIn URL and it returns the people at that company who match your role, seniority and department filters, each as a structured contact record with an optional verified business email.

MCP server for the Housecall Pro API, letting AI assistants read and write Housecall Pro data—customers, jobs, invoices, estimates, scheduling, and more—through natural language.

GoHighLevel MCP server for Claude. 212 tools across 43 modules, including the only programmatic GHL workflow builder (private API, reverse-engineered), funnel + page editor, form builder, pipeline builder, pre-deploy validator, multi-sub-account switching, bulk operations, and full account export. $97 one-time, lifetime updates.

Free, open-source MCP server and CLI for the BaseLinker API, exposing two tools to call any API method and list methods with minimal context cost.

Enables reading replies, bounces, unsubscribes, meetings, interest changes, and LinkedIn replies from the user's own Instantly, Smartlead, HeyReach, and lemlist accounts, returning one flat row per event over a chosen time window. It is read-only and runs the polling work on Apify.

Monitors a company domain for changes in hiring, tech stack, funding, firmographics, and social presence, returning only the deltas as typed change events.

One MCP server for the SaaS back office. Stripe, HubSpot, and Google Sheets exposed as typed, read-only-by-default tools for Claude and any MCP client.

Enables AI agents to manage a fictional B2B workspace SaaS (Tessera) with tools for ticketing, invoicing, customer management, and trial extensions, featuring a human-in-the-loop confirm pattern for safety.

Build custom CRMs and Customer Hubs as code you own. Eleven skills take a business goal to checked-in source: modules that generate their own migration, service, REST resource and Admin screens; deterministic workflows; versioned policies; audit and trace. The approval boundary is a merged test, not a prompt instruction.

LinkedIn prospect intelligence inside Claude. It automates the research behind outreach, not the sending: scrapes posts, profiles and comment threads into a local SQLite database, classifies what a person or company actually posts about, mines comment threads for people already describing your problem, and surfaces uncommon commonalities worth opening with.

Enables AI agents to verify email addresses with catch-all detection, search existing contacts by company domain, and, when no API key is present, provision a human-approved subscription and retrieve the key after payment.

Enables policy-aware access to the Productive.io API v2 for managing projects, tasks, time tracking, resource planning, financials, CRM, and reports, with safe defaults and staged writes for sensitive operations.

MCP server for the Nimbus helpdesk that enables an AI assistant to manage support tickets, search cases, escalate issues, send responses, and track SLA compliance.

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.

Enables an AI client to track a watch list of contacts and retrieve only what changed since the last run — departures, new employers, replacements, and new hires after a role closed — each row carrying match evidence, source dates, and ready-to-use outreach payloads. It runs the analysis on Apify using the caller's own provider keys, supports stored or caller-held state, and can push results to a signed webhook.

Read and write CardDAV address books: contacts, groups and photos over the open standard

Analyzes Salesforce permission architecture (profiles, permission sets, groups) to support RBAC remediation. It snapshots the permission model into DuckDB and provides tools for diffs, sensitive access detection, and verified decomposition proposals.

MCP server for the bexio API, enabling interaction with contacts, sales, accounting, projects, and more through 35 tools. Supports both PAT and OAuth authentication with read-only mode and tool group filtering.

Enables reading operations, searching clients, and creating leads in SingleOps, the US green-industry field-service platform, through natural language commands.

MCP server for Zammad that focuses on workflows the standard Zammad API tooling does not cover well — primarily shared drafts with strict reply-HTML validation, fresh signature rendering and German-localised quote blocks.

MCP server for the BoondManager API, enabling Claude to search, create, and modify records across 36 domains with 158 tools.

Enables Claude to read appointments, invoices, quotes, and work requests from a Jobber Client Hub. Read-only, uses a local browser bridge to access the customer portal.

Enables AI agents to interact with Odoo ERP to perform sales tasks such as searching clients and products, and creating and confirming quotations via the MCP protocol.

First MCP server for the auto-dealership vertical. Lets Claude, Cursor, or any MCP client read dealer accounts, look up manufacturer incentives, and manage inventory listings through the Cox Automotive / Dealer Developer Portal API.

MCP server for the Qualia title and escrow platform, enabling you to talk to your orders, messages, and documents from Claude, Cursor, or any MCP client.