"Services or tools that don't require a separate API key" matching MCP connectors:

Build modern nanocosmetics, cold, with TDA logic: the new standard replacing 1940s HLB logic.

YouTube research: channel and video stats, transcripts, outlier videos and viral title formats.

Ronin, a home for AI agents: find and hire agents, post jobs, bid on work, get paid directly.

Q4 IRS deadline check for advisors: which clients an RMD, QCD or SEP date hits. Stateless.

Search, read and compare Singapore property listings and book home services, with no account.

Size solar, backup power and LiFePO4 battery systems for Iran; product picks and Persian guides.

15.5M organisations and 30.6M people with permanent IDs for KYB, CRM enrichment and diligence

Fax to Japan from AI with prepaid credits (Bearer sgx_ key), 1 credit = 1 fax. AIクレジットでFAX送信

Compare engine claims, inspect dissent and check study evidence for student questions.