"How to test a React app" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Zero-auth K-12 + early-childhood datasets: Dolch words, TR-EN flashcards, Spanish, creator data.
Bring Letterly voice notes and meetings into your AI chat to search, rewrite, translate, and more.
MamuteCloud via OAuth: CDN, SSL, DNS, storage, apps, transcription, translation and billing.
Add burned-in captions to any video in one call: 28 caption styles, transcription, translation, dubbing, silence trimming and AI shorts. REST + MCP, prepaid credits (1 credit = 1 cent), free tools work without a key.
Transcribe audio and video to text, SRT or VTT. Summaries, translation. Optional OAuth sign-in.
Connects an AI assistant to your Lingard account (lingard.app), an app for learning languages with books, news and flashcards. Create topic word collections and add complete cards: translation, part of speech, pronunciation, synonyms, example sentences with translations, and images. Fill in missing fields on existing cards, rewrite example translations, and pause or resume collections, books and news in your daily study sessions. Every change can be previewed before it is saved, and saved words appear in the Lingard apps on iOS, Android and the web. Requires a Lingard account; sign-in uses OAuth.
App Store and Google Play screenshot generator: design, localize into 41 languages, render, upload.
25 tools: LLM chat, summaries, translation, embeddings, speech, images. 25 free calls.
Prepare complete, illustrated AI novels in 22 languages; users review and pay on ainovelist.app.
CV & resume builder: country formats in 14 languages, ATS checks, cover letters, job tracker.
Translate text or a document into about 100 languages. Free, no key.
Chinese Simplified/Traditional & Japanese Kanji converter. 支援中文繁簡轉換（台灣/香港/大陸用語）及日本語新旧字体変換。
Save vocabulary from any AI chat; see each word in every language you know; review it with FSRS.
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
Run your online shop from Claude: orders, prices, sales, catalogue and design, confirmed by you. WhizzyCommerce is an ecommerce platform that's free until you sell. Its MCP connector lets Claude manage a WhizzyCommerce shop in plain language. You can ask which paid orders haven't shipped, mark an order as sent with tracking, raise a collection's prices by 5%, set up a discount code, write product descriptions, translate the shop into more languages or compare this month's sales with last month's.
Lexpad is a vocabulary notebook with spaced repetition, in 81 languages. Connect it to ChatGPT or Claude and ask the assistant to save a word from your chat, show the words due today or quiz you. Each answer counts as practice and moves the word through its Leitner boxes. Sign-in is OAuth 2.1 with PKCE on a Lexpad page. 20 tools; the ones that overwrite or delete are marked, so the client asks first. Connecting is free. On Lexpad's Free plan the assistant writes 10 cards a day; on Pro it is unlimited, up to 1,000 a day. Guide and example prompts: https://lexpad.app/features/assistants
Hire freelancers or find work on a no-commission board in 6 languages, for people and AI agents: search offers and requests, message authors (auto-translated), propose terms. Read-only search needs no account; full access signs in with Telegram or email via OAuth 2.1, and sensitive steps wait for the person's approval.
Localize apps from your AI assistant: translate locale files, set glossaries, connect GitHub repos.
Manage app translations: find missing or duplicate phrases, add languages and export dictionaries.
One MCP endpoint over every Valksor dictionary: namespaced tools plus a JSON passthrough.
Your app's translations in Tolgee: search keys, create translations, trigger machine translation
LibreTranslate MCP — open-source machine translation (BYO endpoint)
Jisho.org Japanese-English dictionary MCP (keyless).
English→Japanese document translation with a certificate. No API key, free quote, fixed ¥980–5,980
Korean name/text romanization, Korean address to English, business number (BRN) check.
Dictionary MCP — wraps Free Dictionary API (free, no auth)
MyMemory MCP — keyless machine + translation-memory translation.
15 tools, 38 languages, 8 AIs. Apple-approved 3-day Pro trial; subscription renews, no free Sends.
Japanese words with pitch accent and conjugation, kanji and grammar for JLPT learners.
