"How to obtain an API key" matching MCP servers:

Enables pushing enriched leads into Instantly or Smartlead campaigns with ICP score gating, deduplication, and dry-run previews via an Apify actor.

Resolves a company domain to its LinkedIn company page URL. Lightweight enrichment tool for sales and prospecting workflows.

Enables AI assistants to discover and invoke Vremly API operations through a search-describe-request pattern, allowing them to view and manage shoots, customers, media, and invoices according to API key permissions.

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.

MCP server for B2B lead generation and company search using the Generect Live API. Provides tools to search leads, companies, generate emails, and get lead by URL.

Enables AI assistants to connect to an Inserve environment to search and view tickets, companies, contacts, assets, time registrations, and lookups, as well as create and update tickets, add messages, manage categories, and log time with the API key user's permissions. A read-only mode can restrict it to viewing operations only.

Connects AI assistants to the Lanten property management API, allowing them to manage tenants, units, and work orders using natural language.

Manage Job using MCP: Manage Job, Candidates, Resumes, Salaries all within this one MCP tools It can solve problems like: You have 50 resumes to screen. Your AI assistant can reason about candidates, but it can't: Read PDFs/DOCX — The AI can't open binary files Extract structured data — Copy-pasting loses formatting, metrics, and context Compare at scale — No consistent scoring across candida

Enables Claude to interact with Jira, Salesforce, and n8n through MCP tools, allowing automated reading of Jira stories, deploying Salesforce metadata, and triggering n8n workflows.

Lets Claude read, create, update, and search records in an Airtable base using your own API key.

MCP server for Apollo.io B2B sales intelligence API. Enables searching and enriching people and organizations via natural language.

A read-only MCP server for Portal.io that enables browsing proposals, users, contacts, and catalog items through secure HMAC-signed API requests.

An open-source MCP server that wraps the Shopline Open API into 143 AI-callable tools for e-commerce data analysis, enabling AI agents to query orders, products, inventory, customer behavior, and promotions from Shopline stores through natural language.

An unofficial Model Context Protocol server that connects MCP-compatible clients to Karbon practice management, enabling natural language interaction with contacts, work items, notes, timesheets, and more.

An MCP server for SuperOps PSA/RMM, enabling MSPs to manage tickets, assets, clients, and field technician operations through SuperOps's API.

Enables AI agents to manage appointments, reschedule bookings, look up clients, and add client notes in a user's signed-in business account without requiring an API key.

Enables Claude or any MCP client to read, create, and edit GoHighLevel workflows through a logged-in Chrome session, with no API key or marketplace app install. Provides 30 tools for workflow CRUD and publishing, step-level patches, folder management, and location data such as tags, users, pipelines, and custom fields.

Enables interacting with a legacy customer CRUD REST API through MCP tools, a resource, and a prompt inside VS Code Copilot Chat.

MCP server for the Yandex KIT e-commerce API, built with the official Model Context Protocol SDK. It exposes 61 tools over stdio to manage catalog, orders, discounts, and webhooks.

MCP server enabling AI assistants to connect to Kula recruiting API for managing jobs, candidates, applications, webhooks, and more.

An MCP server that provides the complete operations brain of an industrial-services company, enabling agents to manage quoting, booking, invoicing, safety, and finances end-to-end.

Model Context Protocol (MCP) server for Microsoft Dynamics 365 Business Central. Provides AI assistants with direct access to Business Central data through properly formatted API v2.0 calls.

Enables read-only access to a MarketSharp CRM's contacts, inquiries, appointments, jobs, notes and reference lists through 25 MCP tools backed by the MarketSharp REST API. Every tool is read-only, with no create, update or delete operations.

Enables MCP clients to search and execute 360 operations across Holded's accounting, sales, inventory, contacts, CRM, projects, team, calendar, inbox, and developer APIs. Supports read and write calls with an API key, including a read-only mode.

Enables AI assistants to work with the Follow Up Boss real estate CRM API through 130+ tools for operations like people, notes, deals, and smart lists, while keeping the user's API key local and delete operations opt-in.

Enables studio owners to connect their own studio API key and query an assistant about availability, bookings, clients, packages, prices and business performance. Ships 150 API-backed tools—65 read/preview operations enabled by default and 85 opt-in mutations requiring confirmation and idempotency keys—plus guided prompts for monthly reviews, finding session times and preparing booking changes.

Exposes native OnlyFans and Fansly access as MCP tools, letting agents read fans, messages, media, earnings, posts, transactions and subscribers across connected creators, with opt-in outbound writes. It also provides CRM tags, smart links, webhooks and bulk exports through a single API key.

An MCP server for the Salesbuildr platform, providing tools to manage quotes, products, and sales operations through Salesbuildr's API.

Official MCP server for Calendesk, the online booking system for clinics, therapy practices, consultancies and training companies. Manage bookings, customers, employees, services, availability, notifications and business analytics in plain language, with the same permissions as your Calendesk user. Sign in with OAuth or use an API key. Support: support@calendesk.com

Enables AI agents to search companies, enrich contacts, and reveal emails via Fiber AI's data and tools directly from the editor.

Churn Predictor AI - MCP server providing AI-powered tools and automation by MEOK AI Labs

Enables AI assistants to send real iMessage, SMS, and WhatsApp messages from a business's dedicated number, run campaigns, read replies and lead scores, manage contacts and sequences, and check which numbers are iPhones or on WhatsApp. It is available as a hosted OAuth connector for Claude and ChatGPT or as a local npm package with an API key that adds SMS verification, verify widgets, and reply webhooks.

Enables seamless integration with Respond.io API for contact management, messaging, conversations, and workspace management through MCP.

MCP server for the Rentalot API. Manage rental properties, contacts, showings, conversations, and more from any AI assistant.

Enables AI agents to search and manage companies, contacts, products, opportunities, and quotes through the Salesbuildr public API, including creating and updating records and building draft quotes from catalog products. It is stateless and multi-tenant, taking the API key per request via HTTP header.

Connects Claude Desktop or Claude Code to a company's Odoo instance with a one-click extension or installer, automatically negotiating the right API (web session, JSON-2, or JSON-RPC) for any Odoo version. Exposes tools that let Claude search, read, count, group, create, update, delete, and link Odoo records as the logged-in user, with an optional read-only mode.

Enables AI agents and scripts to access clients, estimates, invoices, payments, and reports from a user's own Joist account through their Chrome session, over MCP or a local REST API.

Real-time email verification API with syntax, MX, disposable detection, role-based flags, quality score 0-100. Built for agent outreach pipelines with pay-per-call via x402 (USDC on Base L2) -- no API key, no signup, no rate-limit wall.

A comprehensive Model Context Protocol (MCP) server that provides complete access to the Recharge Storefront API endpoints. Enables AI assistants to manage subscriptions, customers, orders, and billing through a standardized interface.

An MCP server for Syncro MSP platform, enabling management of tickets, assets, customers, and billing through Syncro's API.