com.yangopen/mcp
2 changes recorded. MCP Harbor re-reads this listing from the official registry every six hours and asks the live server what it exposes, and keeps what changed between one look and the next.
− > Yangopen is a small personal studio building useful, carefully made products: a set of focused iPhone apps and a suite of free media tools. Most of the tools run entirely in the browser and never send your files anywhere; five of them — background removal, AI colorize, sharpen image, expand image and text to speech — use a server, and the privacy policy says so for each. Those five and the e-invoice converter have a free daily allowance; past it, the image tools, the premium voices and the inv− - [Lantern of Văn Lang](https://yangopen.com/apps/lantern-van-lang/): A one-finger action roguelite for iPhone set in Vietnamese myth, where night falls 37 seconds into every run; pay once, no ads, fully offline, collects no data; waiting for App Store review, coming soon to the App Store.− - [Đèn Về Bến](https://yangopen.com/apps/den-ve-ben/): A color puzzle game for iPhone: tap a lantern and it flies along its light beam to the boat of the same color; 200 levels, free with optional in-app purchases, no ads, plays offline; in TestFlight testing, coming soon to the App Store, not available in Vietnam.− - [Snip & Splash](https://yangopen.com/apps/snipsplash/): A rope-cutting logic puzzle game for iPhone, for kids and grown-ups: cut ropes to drop the monsters into the pond and keep the chicks safe; 100 levels in 5 worlds, the first 40 free, one purchase unlocks the rest, no ads, plays offline, collects no data; coming soon to the App Store, not available in Vietnam.− - [ChillPenny](https://yangopen.com/apps/chillpenny/): An iPhone app that plans a hangout from the money you want to spend: places near you from Apple Maps, an estimated price per person, a schedule that fits your limit and bill splitting with VietQR codes; no account, no ads, plans stay on the iPhone; free with a one-time Pro purchase; in Vietnamese; coming soon to the App Store.− - [Time Zone Converter](https://yangopen.com/tools/time-zone-converter/): The time now in your own place and the places you add, or any time and date in one of them ("9:00 on 30 August 2026 in London": three fields, Time, Date and In, or a slider) shown in all the others, each with its weekday, date and difference from you. Daylight saving comes from the browser's own time zone data, so every date has its own offsets. Copies the times or a link to them. About 100 cities by Vietnamese or English + > Yangopen is a small personal studio building useful, carefully made products: a set of focused iPhone apps, three Mac apps (Retouch Studio, Subtalk and Brim) and a suite of free media and document tools. Most of the tools run entirely in the browser and never send your files anywhere; a few use a server — background removal, AI colorize, sharpen image, expand image, scan document and text to speech, and the server modes of Word to PDF and Translate PDF — and each tool's page and the privacy po+ - [Lantern of Văn Lang](https://yangopen.com/apps/lantern-van-lang/): A one-finger action roguelite for iPhone set in Vietnamese myth, where night falls 37 seconds into every run; pay once, no ads, fully offline, collects no data; on the App Store, not available in Vietnam.+ - [Đèn Về Bến](https://yangopen.com/apps/den-ve-ben/): A color puzzle game for iPhone: tap a lantern and it flies along its light beam to the boat of the same color; 200 levels, free with optional in-app purchases, no ads, plays offline; on the App Store, not available in Vietnam.+ - [Snip & Splash](https://yangopen.com/apps/snipsplash/): A rope-cutting logic puzzle game for iPhone and iPad, for kids and grown-ups: cut ropes to drop the monsters into the pond and keep the chicks safe; 160 levels in 8 worlds and a daily challenge, the first 40 levels and the daily challenge free, optional in-app purchases (Full Game, Expansion Pack, pearl packs), no ads, plays offline, collects no data; on the App Store, not available in Vietnam.+ - [ChillPenny](https://yangopen.com/apps/chillpenny/): An iPhone app that plans a hangout from the money you want to spend: places near you from Apple Maps, an estimated price per person, a schedule that fits your limit and bill splitting with VietQR codes; no account, no ads, plans stay on the iPhone; free with a one-time Pro purchase; in Vietnamese, English, Simplified Chinese and Thai; on the App Store.+ - [Retouch Studio](https://yangopen.com/apps/retouch-studio/): A photo editor for Mac (Apple chip, macOS 13+): one-tap beauty, skin smoothing, blemish removal, face and body shaping, background, colour, filters and batch export; all processing runs on the Mac and photos are never uploaded; direct download with a free 7-day trial, then a subscription: US$12 a month or US$89 a year for 1 person and 2 Macs, or Business yearly plans for 5 people and 10 Macs (US$369) or 10 people and 20 Macs (US$659)+ - [Subtalk](https://yangopen.com/apps/subtalk/): A Mac app (Apple chip, macOS 26+) that shows translated subtitles while people talk in Zoom, Meet, Teams and videos, then writes meeting notes with a summary, decisions and action items and answers questions about them; speech recognition, translation and the AI summary run on the Mac, nothing is sent to a server; about 30 languages; direct download with a free 7-day trial, then a one-time licence for every 1.x version, no subscription: US$39 for + - [Brim](https://yangopen.com/apps/brim/): A Mac app (Apple chip or Intel, macOS 14+) that lives in the notch and the menu bar: volume, brightness, now playing, the next calendar event, charging and connected devices in the notch; screenshots with markup, pinning, text copy (OCR), QR scanning, in-place translation and colour picking; screen recording of a region or the whole screen; hiding menu bar icons (needs macOS 27); a shelf for dragged files, clipboard history, keep awake, keyboard lock, c+ - [Edit Audio](https://yangopen.com/tools/edit-audio/): Open a song, a recording or the sound of a video (MP3, M4A, AAC, WAV, FLAC, OGG, OPUS, MP4, MOV, WebM, MKV; up to 2 GB), drag across the wave to select a part (adjust its two markers or type the times), then delete it (a button, the Delete key or a right-click menu) or keep only it, as many parts as you like with Undo; zoom in (buttons, Ctrl + scroll or a pinch) to select to a hundredth of a second; fade in and out over 0–10 seconds, change+ - [AI Text Checker](https://yangopen.com/tools/ai-text-checker/): Paste a text to see, in colour, the signs common in chatbot writing (a chatbot's own sentences left in, Markdown and em dashes, wording AI uses often, sentences of the same length) and every hidden character in it (zero-width spaces, odd spaces, direction marks, tag characters and variation selectors that can carry hidden words, look-alike Cyrillic letters), then copy a clean copy. Signs, not a verdict: no percentage. On-device, n+ - [Pinyin & Romanizer](https://yangopen.com/tools/pinyin/): Paste Chinese, Korean, Japanese kana, Thai, Russian, Ukrainian or Greek and each line gets a line of Latin letters under it: Chinese as pinyin with tone marks, numbers or none, read by word so characters with two readings take the right one; Korean by its sound rules; Japanese hiragana and katakana as romaji (kanji are left as they are); Thai in the official RTGS spelling (a trial). One sentence per line, the readings alone, and copy. R+ - [Time Zone Converter](https://yangopen.com/tools/time-zone-converter/): A list of places, your own first, each with its time as a field: type a time in any row ("9:00" in London) and every other row shows that moment, with its weekday, date and difference from you; the date under each time can be changed too. Daylight saving comes from the browser's own time zone data, so every date has its own offsets. Copies the times or a link to them. About 100 cities by Vietnamese or English name, abbrevi+ - [Spin the Wheel](https://yangopen.com/tools/spin-wheel/): Type a list, one item per line (names, dishes, prizes; up to 200), and spin: one item is picked with the browser's own random source and the wheel stops on it. Can take each winner off the list. The list is kept on this device for the next visit. Runs in the browser. Nothing is sent.+ - [Currency Converter](https://yangopen.com/tools/currency-converter/): A list of currencies (more than 160 to choose from), each with its own amount field: type an amount in any row and every other row shows it at the day's market rate. Vietcombank's table of buy (cash and transfer) and sell rates for 20 currencies sits below the list. Amounts can be typed as "1.500.000", "2 triệu" or "500k". The rates come from the site, the sums are done in the browser, and nothing typed is sent. Free.+ - [Vietnamese text-to-speech MCP server for Claude](https://yangopen.com/guides/vietnamese-text-to-speech-mcp/): The MCP server yangopen.com/mcp lets Claude read Vietnamese aloud as MP3: 2 free voices and 182 Plus voices with Northern, Central and Southern accents.
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