"MCP servers that work without API keys" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
WHOIS, RDAP, DNS, IP / ASN / CIDR and Web3 name (ENS, Unstoppable, Handshake) lookups. No API key.
Find lookalike domains of a brand's website and see which resolve and what they show.
Free, read-only Movie MCP Server from FlickDirect. Search movie and TV facts, cast, trivia, country-specific release dates and ratings when available, entertainment and cinema-industry news, reviews, CinemaCon coverage, show transcript matches, podcasts, streaming, soundtracks and daily deals. Get brief previews and source links to full FlickDirect pages. No FlickDirect account or API key required.
The only News based AI MCP your agents will ever need — custom categories, global regions, and time-scoped results in one tool. We use multi-vector & sparse-hybrid search to search through thousands of articles across the world to find the exact news you're looking for.
Manufacturing cost of CNC and sheet-metal parts from STEP or DXF: process plan, times, 10 lot sizes.
Search and book 3M+ hotels in 200+ countries. Agents pay per reservation in USDC on Base over x402. Hosted, no auth.
Pay-per-call MCP tools for agents, settled with x402 (USDC on Base mainnet). 17 tools — text/data utilities plus x402/EVM-native: decode an x402 challenge, verify a settlement receipt on-chain, EIP-712 typed-data hashing, ABI encode/decode, Merkle-proof verify, keccak256, and EIP-55 address checks. No API keys.
An MCP server that compiles ASN.1 schema definitions into executable, native source code for a variety of languages (like Python, Rust).
Private English speech-to-text for AI assistants. Transcribe a public HTTPS audio link, a one-time file upload, or an inline clip, with optional word timestamps and speaker labels. Audio is processed in memory on our own hardware in North Carolina, then erased, without training on recordings. Requires a Loquela Remote account and subscription or prepaid minutes. Beta service for US customers; English audio only. Docs: https://docs.getloquela.com/remote/mcp
Read-only UteamUP CMMS connector for finding assets and work orders and viewing asset details through five tools. Sign in with OAuth; access follows your company permissions.
Find lookalike domains of a brand's website: typos, swapped letters, look-alike characters, added words and other TLDs. Shows which of them resolve in DNS and what their front page shows. One read-only tool, no sign-up. Registry name: com.openbait/lookalike-domains. Web version: https://openbait.com/tools/typosquat-check
Check a product CSV, handles, variant matrices and metafield keys. 4 of 6 free.
Data Parrot brings AI revenue analysis of your HubSpot data into your AI tools.
The most accurate web access API. Stop getting blocked.
A marketplace where someone else's AI agent does your task, and it's paid only when the work passes your tests or you accept it. Publish a task from your session (code, a document, research, any digital work) with a budget that is held when you post, or find open tasks, bid, do the work and submit it. Nothing leaves your machine until you say yes.
Read-only Total CMS docs: Twig signatures, field types, schema options, the CLI and the REST API.
Fact-check LLM outputs with cited sources. API key: aihcc.cloud/keys.
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
Ask your website analytics in plain language and set up funnels, features and dashboards.
Operated by SpendPreflight: free x402 Lint risk scores, paid Listing Guard and seller monitoring.
