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@nguyenhieuec

Build the unknown.

Viet Nam tools.openkrill.app/links On GitHub since January 2018

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84 MCP Serversacross 1 category

See how competitors position a product before you write ads.

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Paste a draft and see the habits that make writing read like it came from an AI model.

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YouTube transcripts, open jobs from careers pages, app store reviews and X posts for AI agents.

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Count working days between two dates, add business days to a date, or list public holidays.

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Companies with a recent, dated, public sign they may buy, from SEC filings and job boards.

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Check a US car: decode a VIN, see recalls, crash ratings, owner complaints and fuel economy.

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Check an online store's product catalog before you import it or send it to a shopping feed.

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Paste a bibliography or a single reference and find out whether the papers are real.

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Open jobs at the companies you name, read straight from their public careers boards.

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Official economic and demographic figures for a country, with IMF projections and World Bank data.

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Triage a CVE: how severe it is, whether it is exploited, and how likely exploitation is.

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Software end-of-life dates, open-source licenses, browser support for web features and RFC facts.

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Count the words in a text, make a calendar .ics file, or turn a table into a CSV file.

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Check a European business before you pay or sign.

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Look up a packaged food by barcode, search and compare products, and check listed allergens.

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Split a job into work AI can do now, work AI drafts for a person to approve, and work for a person.

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What happened in AI coding agents like Claude Code, Codex, Cursor and Copilot, and what people say.

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Turn a cover and a short animation, supplied as HTML, into an Apple Live Photo, an MP4 and a GIF.

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Read a liquidity pool's volume, TVL and fee APR over 1 and 7 days, and spot a short APR spike.

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Check how a domain is set up for email and who it is registered with, from public DNS data.

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Calculate SMA, EMA, RSI, MACD, Bollinger Bands, ATR, stochastic and VWAP over a price series.

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Check whether the domain for a startup, product or business name is already registered.

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Check an npm or Python package, or a package.json, for vulnerabilities and upkeep.

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Find research papers and arXiv preprints, and get an abstract and free full text from a DOI or id.

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Turn a topic into posts that fit each platform, short video scripts, and an animated launch clip.

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Check US recalls for a car, a baby product, a food or a medicine in the official recall databases.

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Read the rule itself instead of a summary of it.

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Turn assistant output into ready-to-send action links and files, with no sign-in.

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Audit a website for technical and on-page SEO problems.

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Check the customs side of selling online across borders.

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Look at what your website or online store tells crawlers, link previews and AI agents.

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Ask what an online store sells, what it charges and what changed since the last time anyone looked.

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Find candidate customs tariff codes for a product and read the import duty on a code.

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Turn the reference images you collect into a written design taste your assistant can follow.

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Get the US federal tax numbers right, with the IRS document each one comes from.

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A candlestick chart for a public ticker, with volume, the indicators you name and a plain read.

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Turn a recording you own into a timestamped transcript with SRT and VTT captions and clips.

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UK and US government travel advice for a country, plus live delays and weather at an airport.

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Score inbound recruiter and sales pitches on relevance, specificity, cadence and spam signals.

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Lane Planner is a planning tool for people with many interests and limited hours.

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Find freely licensed video you can reuse, and official steps to export videos you uploaded.

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Read a tool-call log from an AI agent run and see which calls failed, looped or were slow.

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nguyenhieuec

Turn assistant output into ready-to-send action links and files with zero sign-in and zero data custody liability. Ask "draft an email to the team with these action items", "make a calendar event for our sprint review on Monday", "create a WhatsApp link for this customer reply", "export this research to my Obsidian vault", or "prepare an X share link for this launch".

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nguyenhieuec

Check how a domain is set up for email, whether Gmail and Outlook are likely to accept its mail, and who it is registered with, from public DNS, free blocklists and registry data. Ask "will Gmail accept mail from example.com sent from 203.0.113.7?", "is DMARC set up correctly for github.com?", "check SPF and DKIM for example.com", "which mail provider does acme.io use?" or "when does openai.com expire?".

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Look up official economic and demographic figures for a country, and see the IMF's projections, from the World Bank and the IMF. Ask "what is Vietnam's population?", "compare GDP per capita for Germany, France and Italy", "what does the IMF forecast for India's growth?" or "rank the Nordic countries by life expectancy".

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nguyenhieuec

Count the words in a text, translate a web page you own into another language, make a calendar file you can open in any calendar app, or turn a table into a CSV file, and get the result right every time. Ask "how many words and characters is this?", "will this fit in one SMS?", "translate my docs page into Vietnamese", "make a calendar file for a meeting every Monday at 10 in New York" or "put these rows in a CSV I can open in Excel".

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Ask about open jobs at the companies you care about and get the current list straight from their public careers boards. Ask "what jobs is Stripe hiring for?", "is Notion hiring designers?", "remote backend jobs at Ramp, Linear and Supabase" or "which Spotify jobs list a salary?".

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nguyenhieuec

Compares two zodiac signs or birth dates using astrological elements, modalities, and aspects, with a reflective relationship note. Ask "compatibility between Aries and Sagittarius", or "compare 1990-03-25 and 1992-11-15".

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Calculates sun, moon, and rising sign positions from astronomical algorithms, with a reflective summary. Ask "birth chart snapshot for 1990-05-15 at 14:30 in London, UK", or "what is my sun sign for birth date 1985-11-22".

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nguyenhieuec

Calculates core numerology numbers and writes a reflective profile note. Ask "numerology profile for 1990-05-15 and Jane Doe using Pythagorean system", or "calculate Chaldean numerology for birth date 1985-11-22 and full name Alex Smith".

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nguyenhieuec

Find research papers on a topic, search arXiv preprints, and get a paper's abstract and free full-text link from its DOI, PubMed id or arXiv id. Ask "find recent open-access papers on retrieval-augmented generation evaluation", "search arXiv for speculative decoding papers from this year" or "get the abstract and open-access link for DOI 10.1038/s41586-021-03819-2".

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nguyenhieuec

Check the facts a developer asks for again and again: when a software version reaches end of life, what an open-source license is, whether a web feature works in a browser and what an RFC says about itself. Ask "is Node.js 20 still supported?", "is the MIT license OSI approved?", "can I use CSS container queries in Safari?" or "which RFC obsoletes RFC 2616?".

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Check one page for an SEO audit, Open Graph tags, a 301 redirect and broken links. Ask "can AI crawlers read example.com?", "is this product page set up for search?", "will AI assistants cite this page?", "can AI shopping agents read this store?", "are any pages in this store's sitemap broken?" or "what would make this landing page convert better?". Site SEO and AI Crawler Audit fetches public pages and files and reports what it finds. People also call it Site Check. For AI crawler access it ev

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nguyenhieuec

YouTube transcripts, open jobs from careers pages, app store reviews and X posts for AI agents.

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nguyenhieuec

Turn a recording you own into a timestamped transcript with SRT and VTT captions, search what you have transcribed, find the best short clips in a talk, and translate the captions with a dub script. Ask "transcribe this podcast episode", "make subtitles for my video", "where did I mention pricing?", "find the best 60 seconds of this talk" or "translate these subtitles to Spanish".

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Count workdays, office days and PTO days between two dates, add business days for an SLA due date, or list bank holidays and school breaks. Ask "how many working days are there between 14 July and 18 August in Germany?", "what date is 37 business days after 11 August in England?", "is Monday a bank holiday in Bavaria?" or "what are the school holidays in Bavaria?". Business Days and Workday Calculator does the date arithmetic exactly and reads each country's public holidays from Nager.Date, wit

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nguyenhieuec

Calculate technical indicators over a price series: SMA, EMA, RSI, MACD, Bollinger Bands, ATR, stochastic oscillator and VWAP. Each answer gives the latest value and a short series of recent values, with the source and the date of the last price. Ask "calculate the RSI and MACD for EUR/USD", "show the 50-day SMA and Bollinger Bands for USD/JPY" or paste your own candles and ask for ATR, stochastic or VWAP. Your own prices can be anything: stocks, crypto, commodities or a spreadsheet column.

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nguyenhieuec

Shows a candlestick price chart for a public ticker, with volume and the indicators you name, plus a short plain-language read of what is on the chart. Ask "chart AAPL daily with the 20-day SMA and RSI", "show BTC-USD on the 1 hour chart with Bollinger Bands" or "weekly EUR/USD with MACD".

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nguyenhieuec

Check an online store's product catalog before you import it or send it to a shopping feed. Ask "will this Shopify product CSV import cleanly?", "what would Google Merchant Center reject in my catalog?", "which products have no image alt text or a copied description?" or "write me a sheet that fixes the empty alt text".

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nguyenhieuec

Check the customs side of selling online across borders. Ask "what EU duty applies to my 6 order lines shipped under IOSS?", "which products in my Shopify inventory export have no HS code or country of origin?", "find candidate tariff codes for these 15 products" or "what is the landed cost of this item shipped to the UK?".

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nguyenhieuec

Check a US car's public record before you buy or while you own it: decode a VIN, see its recalls, crash test ratings and owner complaints, and compare fuel economy. Ask "what car is VIN 1HGCM82633A004353?", "any recalls on a 2018 Toyota Camry?", "give me a report on a 2016 Honda Civic" or "what mpg does a 2022 Toyota RAV4 hybrid get?".

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nguyenhieuec

Turn a cover and a short animation, both supplied as HTML, into an Apple Live Photo plus an MP4 and a GIF. Ask "make a Live Photo of a blue card that says Launch day, with the title fading in" or "turn this cover and this 3 second CSS animation into an Apple Live Photo".

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nguyenhieuec

Draws cards from a 78-card deck and writes a short reading of the cards that came up. Ask "draw a three-card tarot reading for whether I should take the new role" or "one card for this question".

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nguyenhieuec

Turn a topic into posts that already fit each platform, write a 25-second video script for TikTok, YouTube Shorts, Instagram Reels or X video, adapt a post you wrote for another market, and make a short animated launch clip from your own product page. Ask "write posts about our new CLI for X, Bluesky and LinkedIn", "adapt this post for a Japanese audience" or "make a launch video from https://example.com/".

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nguyenhieuec

See how competitors position a product before you write ads. Ad Angle Map reads the public product feeds of Shopify stores you name and groups what they offer: price range, discount depth, bundles, subscriptions, and the persuasion angles in the product-page copy. It also groups ads you paste in, checks whether people discuss an angle on Hacker News or Stack Exchange, and picks the ad type for a buyer's awareness stage. Ask "compare the discounts and bundles of allbirds.com and gymshark.com", "

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nguyenhieuec

Build a list of companies that show a recent, dated, public sign they may be ready to buy, from SEC filings and public job boards, with a source link for every one. Two more tools find public posts where people ask for a service like yours, and count which tools public posts name for a category, with what those posts complain about or switch away from. Ask "which software companies filed a Form D in California in the last two weeks?", "find healthcare companies in Texas that raised money this m

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nguyenhieuec

Check what the UK and US governments currently advise about a country, and see live delays and weather at an airport. Ask "what is the travel advice for Thailand?", "what are the entry requirements for Japan?", "compare Mexico, Colombia and Peru" or "is JFK delayed right now?".

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Ask what an online store sells, what it charges and what changed since the last time anyone looked. Ask "track competitor prices on allbirds.com", "what did gymshark.com change this week?", "which products on this store are sold out?" or "how has the price of this hoodie moved?".

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nguyenhieuec

Audit a website for technical and on-page SEO problems. Ask "audit example.com", "what SEO problems does https://example.com/pricing have?" or "which pages on my site have missing titles or duplicate descriptions?". audit_site reads the homepage, the sitemap and the pages they link to (up to 25 pages), respecting robots.txt, and returns the rules that failed grouped by priority, each with the affected pages, the fix and the documentation link. It covers titles, headings, canonicals, indexabilit

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nguyenhieuec

Check whether the domain for a startup, product or business name is already registered before you fall in love with it. Ask "is acme.com available?", "check if this startup name is taken" or "find an available .com for my bakery name".

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nguyenhieuec

Casts an I Ching hexagram and provides original reflective interpretations, judgments, images, and changing lines. Ask "cast an I Ching hexagram for my career change", "what does the Book of Changes say about patience?", or provide specific coin lines.

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nguyenhieuec

Gives practical layout suggestions for a room you describe, including which way it faces. Ask "feng shui tips for a south-facing bedroom with the bed under the window" or "how should I place the desk in a small office?".

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nguyenhieuec

Turn the reference images you collect into a written design taste that your assistant can follow when it makes slides, interfaces or images for you. Add images you upload or link (up to 4 at a time, up to 30 per profile). Each is read once and kept as a short style description: layout, color palette with hex codes, typography, texture and visual hierarchy. Search your references by words ("dark editorial layout with a serif headline") or by another image. Ask what the set has in common and get

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nguyenhieuec

Writes a daily horoscope reflection for a zodiac sign or birth date. Ask "what is the daily horoscope for Aries today?", "horoscope for birth date 1990-03-20 focusing on work", or "daily horoscope note for Scorpio tomorrow".

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nguyenhieuec

Looks up angel number sequences and explains their reflective themes, root numbers, and mindful journaling prompts. Ask "what does angel number 111 mean?", "meaning of 444", or "angel number 1212".

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nguyenhieuec

Ask what happened in AI coding agents (Claude Code, Codex, Cursor, Copilot, Gemini CLI, Cline, Aider and others) and what people say about a product. Ask "what is new in AI coding agents today?", "what happened with Claude Code this week?", "give me yesterday's digest" or "what do people complain about with Cursor?".

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Find an HS code, HTS code or customs code, and read the customs duty or import tax. Ask "what is the tariff code for a ceramic flower pot in the UK?", "what is the US duty on HTS 8507.60.00?" or "what duty applies to code 6914100000 from Vietnam in the UK?". Tariff and HS Code Duty Finder reads the official schedules published by governments: the UK Trade Tariff (HM Revenue & Customs) and the US Harmonized Tariff Schedule (US International Trade Commission). Describe the product and it lists th

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nguyenhieuec

Look up a packaged food by its barcode, search for products, compare them side by side and check a product's listed allergens. Ask "what is in the product with barcode 3017620422003?", "find oat milks sold in France", "which of these three barcodes has the least sugar?" or "does this product contain milk or nuts?".

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nguyenhieuec

Get the US federal tax numbers right, with the IRS document each one comes from. Ask "what are the 2026 tax brackets for a married couple?", "what is the standard deduction for head of household?", "what was the IRS mileage rate on 15 March?", "when is the next estimated tax payment due?" or "roughly how much federal tax on $90,000 of wages and $30,000 of freelance income?".

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Check an npm or Python package before you depend on it, or the dependencies of a package.json you already have, and get the facts from public sources. Ask "is lodash 4.17.15 vulnerable?", "is this npm package maintained?", "what license is this package?", "safer alternative to request" or "check my package.json for known vulnerabilities".

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nguyenhieuec

Paste a bibliography or a single reference and find out whether the papers are real. Ask "are these references real?", "check my bibliography", "verify this citation", "is this DOI correct?" or "has this paper been retracted?". Citation Checker looks every reference up in Crossref, the DOI system (doi.org) and OpenAlex, which index the scholarly record, and gives each one a clear verdict: found, mismatch or not found.

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nguyenhieuec

Check whether a car, a baby product, a food or a medicine has been recalled in the United States, using the official recall databases. Ask "does my 2018 Honda Accord have any recalls?", "decode this VIN", "is this car seat recalled?", "was there a recall on this infant formula?" or "any dog food recalls this week?".

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Read a CFR or eCFR section, or search US federal regulations and the Federal Register. Ask "what does 21 CFR 11.10 say?", "which regulations mention respirator fit testing?" or "what has the FDA proposed on food dyes this year?". US Federal Regulations reads two official United States sources directly: the Electronic Code of Federal Regulations (eCFR) for the current text of any section of the Code of Federal Regulations, and the Federal Register for the rules, proposed rules, notices and presi

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nguyenhieuec

Split a job into work AI can do now, work AI should draft for a person to approve, and work that needs a person, before you hire. Ask "which tasks of a bookkeeper can AI do?", "split a software engineer role" or "write a job ad for the human part of a restaurant cook, plus a two-week trial".

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