"MCP servers that work without API keys" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Company and contact enrichment: firmographics from a domain or IP, profiles from a work email.
Data Parrot brings AI revenue analysis of your HubSpot data into your AI tools.
Turn one prompt into a live landing page and leads in your CRM. AXL MCP lets your AI agent build pages, capture leads, manage contacts, book calls, run email campaigns, and deliver courses. Open-source agent skill. Powered by AXL, a hosted SaaS platform. - **Skill and demo:** https://github.com/axlhq/business-stack - **Install the skill:** `npx skills add axlhq/business-stack` - **Connect MCP:** https://app.axl.tech/mcp — sign in to your AXL account in the browser (OAuth 2.1). Installation and connection are separate steps. **First run — paste this into your agent:** > Using AXL, build a landing page for my [offer] with a name-and-email form that saves each signup to the CRM. Show me a preview and ask before publishing. After I approve, publish it and give me the public and admin links. I will submit a test signup; then find that contact in the CRM and confirm the form answers were saved. - **MCP setup:** https://axl.tech/developers/mcp - **Documentation:** https://docs.axl.tech/mcp - **Product overview (77 seconds):** https://www.youtube.com/watch?v=jlhR9CafIww
Companies that may buy, and public posts asking for a service: SEC, job boards, HN, Stack Exchange.
A CRM with AI agents that take B2B inquiries to a signed contract. Contacts, deals, forms, bookings.
Mighty Automation is a marketing automation platform with built-in CRM. This MCP connector lets AI clients run email marketing, enroll contacts in automations, create and update contacts, search leads, add tags and notes, list appointments, create booking links, import files, and manage webhooks. Everything is scoped to one workspace with a revocable key. Read tools are free; actions are $0.005 per successful call (import_file $0.025). Paid Mighty Automation plan required. Auth: Bearer API key (
Bookings, providers and customers in your BookingKoala store.
Appointments, clients, sales and reviews for salons and spas.
Bookings, clients, reviews and reports for beauty businesses.
Remote MCP server for GateKeeperAI, a CRM with an AI phone receptionist for service businesses. Lets ChatGPT, Claude and Cursor search leads, read call transcripts and notes, update pipeline stages and log activity for your business. OAuth 2.0 with read and write scopes.
MailBeast.ai is a cold email outreach platform. This server lets AI assistants create and launch campaigns with multi-step A/B sequences, manage leads and sending mailboxes (health, warmup, limits), read and answer replies from a unified inbox, and pull campaign analytics. OAuth 2.1 sign-in with read-only or read-and-write access; an API key header is also supported. Website: https://mailbeast.ai
WhatsApp via the official Meta API: contacts, conversations, messages, CRM deals and campaigns.
Find and qualify B2B leads, manage outreach campaigns, and prepare replies through Funkel AI. Supports LinkedIn, X, and email workflows. Tool discovery is public. Tool calls require OAuth or a personal access token.
Keyless storefront readiness probe linking a Store Guard audit, plus dispatch estimates and quotes.
Manage clients, plans, sessions, habits, and billing on Trainzilla via one-click OAuth.
Run WhatsApp, Instagram and Telegram AI assistants: projects, prompts, leads, chats, analytics.
Salesforce & HubSpot: dedupe, normalize, enrich, assign, job change, create, mass update, segment
Create and manage quizzes, leads, and respondents on RooQuiz, a lead-capture assessment platform.
Swiss company-register intelligence: new GmbHs by canton, shared addresses, UID history, SHAB text
Read LinkedIn outreach campaigns, contacts and replies, and manage campaign leads and targeting.