"Examples of MCPs (Microservices Communication Protocols) That Do Not Require API Keys" matching MCP connectors:

Deterministic music theory for agents: analyze, voice, reharmonize, conduct — computed, not guessed

An MCP server that gives any LLM or agent clean YouTube transcripts on demand: a single video, a whole channel, or a playlist, plus AI cleanup of auto-generated captions. API-key auth, credit-based, same backend as the public v1 API. Get a free API key with 25 free credits at youtubetranscriptdownload.com/account.

Clean YouTube transcripts for agents: single videos, channels, playlists, plus AI caption cleanup.

Tarot card meanings, spreads and seeded reproducible readings for AI agents, one API key.

Search and license 5,000+ fully cleared music tracks via MCP. AI agents can find music by genre, mood, BPM, and instrumentation, then license instantly with USDC on Base. No human in the loop. Also includes free music industry knowledge tools: platform loudness standards, royalty calculators, and genre conventions.

264 emisoras de radio colombianas en vivo: busca por ciudad, genero o dial y escuchalas.

Turn photos or product links into a poll your friends vote on. One link, free, no account needed.

K-pop artists and releases: search, trending by 7-day velocity, and AI answer-engine reach.

Search Mediawork's directory of post-production and distribution vendors, plus FAQ and plans.

Search 45+ investor podcasts and read transcripts, TL;DRs, digests — bilingual EN/中文, keyless.

electron.dance MCP server: upcoming gigs, community links, RSVP, and Spotify top tracks.

Real-time news search across 500,000+ sources in 60+ languages with sentiment and entities.

Search, video, channel, playlist, comments, trending and related items from YouTube. Hosted by the p

Cloud Api Hub - Youtube Downloader: Get Youtube video info and download links to MP4 or MP3 file.

Send a shoot's worth of scripts to the Daily Studio teleprompter on iPhone, in one link.

Create and run 24/7 linear TV channels. Import videos by URL; we transcode, schedule and stream.

An MCP server that provides tools to discover and retrieve podcast episodes transcripts.

Film stills from 5,489 films, searchable by lighting, lens character, shot size, colour and mood.

Free fan-convention data for AI agents: dates, registration windows & table costs, US & Canada

OpenAI Sora: Sora & Sora 2 (new social media like TikTok) API by ChatGPT creator OpenAI. Access.