"Identifying Servers Without Any API Key Configuration" matching MCP servers:

MCP gateway demo for basketball equipment, exposing inventory, customer, sales, and pricing tools with Okta-scoped auth.

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

A collection of over 20 specialized MCP servers that enable LLMs to manage customers, jobs, scheduling, invoicing, materials, and more in Housecall Pro's field service management system.

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.

Enables AI agents to extract structured firmographic data from public LinkedIn company URLs, returning fields like name, industry, size, and headquarters.

MCP server that provides mock APIs and deterministic seed data for ERP/OMS, WMS, and CRM systems, enabling supply chain data exploration and integration testing.

This MCP server simplifies interaction with the ConnectWise Manage API through API discovery, execution, and a fast memory system for efficient workflows.

Enables interaction with the HaloPSA API for managing tickets, clients, assets, and more through natural language commands in Claude Desktop.

Exposes internal company services as LLM-callable MCP tools, enabling AI agents to perform business operations like customer management, order processing, and support ticketing through natural language.

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 access and manage HeadHunter job platform data, including vacancies, resumes, negotiations, and employer settings via 167+ tools.

Enables AI agents to manage GoHighLevel sub-account CRM data, including contacts, custom fields, tags, workflows, and calendar configurations through natural language.

Find professional email addresses from name + company domain. Tests 15+ patterns against MX records with confidence scoring, with pay-per-call via x402.

Enables AI assistants to interact with SalesDrive CRM, allowing order management, product queries, and more through natural language.

Provides tools to interact with Odoo 19's External JSON-2 API, enabling CRUD operations and complex queries on Odoo databases with multi-company support.

Exposes a curated subset of the Officegest API v2 (22 CRUD tools) for managing clients, sales, and stock to AI clients like Claude Code and Claude Desktop.

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

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

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.