"Examples of MCPs (Microservices Communication Protocols) That Do Not Require API Keys" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Connect AI assistants to Tutorial AI to work on your tutorial projects. Read and rewrite scripts, edit slides, translate projects, add comments, and render or publish videos. Connect with OAuth using your own Tutorial AI account; access follows your existing account permissions. Documentation: https://www.tutorial.ai/en/articles/connect-your-ai-assistant
Read-only HSK vocabulary, graded Chinese readings and an HSK level estimate for any Chinese text. Six tools, no API key needed.
Translate a user's uploaded text-based PDFs while keeping the layout, check job status, and fetch temporary links to translated or bilingual PDFs. Through MCP, the target language is English or Chinese; the iSomor website supports 92 target languages. OAuth 2.0 with PKCE; the user's iSomor account credits apply. Text-based PDFs only; scanned PDFs, including OCR'd scans, are not supported.
Use VoiceCheap’s media tools from your AI agent: transcribe audio, video and YouTube; create, translate and add subtitles to videos; generate YouTube chapters; create speech, design voices or clone voices with permission; generate images and thumbnails; translate and dub videos with optional lip sync; and publish completed projects to your connected channels. Manage project status, transcripts, glossaries and workspace settings through the tools you authorize. Available tools depend on your OAuth permissions and account access. Generation uses existing credits; purchases take place on the VoiceCheap website.
Localize apps from your AI assistant: translate locale files, set glossaries, connect GitHub repos.
Create and edit saved resumes, make tailored or translated copies, and export PDF or Word.
Your app's translations in Tolgee: search keys, create translations, trigger machine translation
40+ Lightning-paid AI tools for agents: calls, SMS, fax, voice, translation. No signup, no keys.
Read Localazy projects, files, keys and glossary; submit translations, import keys, AI suggestions.
Cited search (free daily allowance), citation checks, translation; EU data sets on annual licence
Create family-friendly greetings in 15 languages for 30 occasions and four styles.
Audio transcription, caption correction, translation and 16 video caption styles.
Multilingual restaurant menus and local travel discovery in Lanzarote. Read-only, no API key.
Jev-powered decisions, web search, PDF/web to Markdown, summarize. From $0.001, no API key.
Hebrew translation that keeps prices, names and dates exact, RTL display, nikud, clinical Hebrew.
Mixture-of-Agents document intelligence engine. Multiple AI models cross-verify each other for 100% recall across 10 languages. 6 tools (analyze_document, extract_web, summarize, delegate_bulk_translate, estimate_cost, health_check). USDC pay-per-call on Base or Solana via x402. From $0.08/call.
Sworn (certified) translation in France: instant firm price, 100+ languages, order tracking.
Checks the structural integrity of translated resource dictionaries against a source dictionary y...
Book and manage sworn and qualified interpreters (on-site, phone, video) for a Tolk2Go account.
Wiktionary MCP — multilingual dictionary via Wikimedia REST + MediaWiki Action API
