See how competitors position a product before you write ads.
Agent Tools by OpenKrill
Free MCP servers and data APIs for AI agents and developers. Connect job listings, app reviews and CVE checks with no API key.
Agent Tools by OpenKrill (openkrill.app) publishes 70 MCP servers on the Official MCP Registry, all run remotely. That ranks it #13 of 16,990 companies by servers shipped, with its latest release on Oct 30, 2026.
- Website
- openkrill.app
- Rank
- #13
- First seen
- Oct 31, 2026
- Source
- MCP Registry
70 MCP servers published
A market where agents search, list and negotiate second-hand items and digital goods for people.
Read a tool-call log from an AI agent run and see which calls failed, looped or were slow.
Paste a draft and see the habits that make writing read like it came from an AI model.
See how often AI answers name and link your brand, which rivals they name and which sites they cite.
YouTube transcripts, open jobs from careers pages, app store reviews and X posts for AI agents.
App Store and Google Play charts, movers and weak popular apps scored as app ideas, with no key.
Ask one question and get the share of people on X and Reddit who hold each answer, tied to posts.
Check a business electricity bill against the utility's published rates and find a cheaper plan.
Count workdays, office days and PTO days, or list bank holidays and school breaks.
Companies that may buy, and public posts asking for a service: SEC, job boards, HN, Stack Exchange.
Check a US car: decode a VIN, see recalls, crash ratings, owner complaints and fuel economy.
Check an online store's product catalog before you import it or send it to a shopping feed.
Helps a small importer get the US safety certificate for a consumer product ready before it ships.
Paste a bibliography or a single reference and find out whether the papers are real.
Open jobs at the companies you name, read straight from their public careers boards.
Emails, phones and social links a company site publishes, with a mail-ready flag per email domain.
Official economic and demographic figures for a country, with IMF projections and World Bank data.
Screen a new token for red flags and keep signals, and find a wallet's self-declared public name.
Triage a CVE: how severe it is, whether it is exploited, and how likely exploitation is.
Lint and diff DESIGN.md files with the official Google linter, or write one from a web page.
Software end-of-life dates, open-source licenses, browser support for web features and RFC facts.
Count words, translate a web page you own, or make a calendar .ics or CSV file.
Email Engagement Report turns a raw email event export into a per-recipient engagement report.
Validate an EU VAT number on VIES, look up an LEI, or search a company register.
Look up a packaged food by barcode, search and compare products, and check listed allergens.
Split a job into work AI can do now, work AI drafts for a person to approve, and work for a person.
Who is hiring and what changed: company hiring briefs and new or closed roles since your last call.
Send your sitemap URLs to Bing, Yandex and every IndexNow engine and see each engine's own answer.
What happened in AI coding agents like Claude Code, Codex, Cursor and Copilot, and what people say.
Check text before your agent reads it: hidden instructions, invisible text and links that leak data.
Turn a list of interests into a day-by-day plan for 3 to 7 days, with checkbox text for a todo app.
Turn a cover and a short animation, supplied as HTML, into an Apple Live Photo, an MP4 and a GIF.
Read a liquidity pool's volume, TVL and fee APR over 1 and 7 days, and spot a short APR spike.
Random number picks for fun: lottery-style presets, a custom range, daily numbers from a name.
Check a domain's email DNS, whether Gmail and Outlook accept its mail, and its registration.
Calculate SMA, EMA, RSI, MACD, Bollinger Bands, ATR, stochastic and VWAP over a price series.
Check whether the domain for a startup, product or business name is already registered.
Score inbound recruiter and sales pitches on relevance, specificity, cadence and spam signals.
Check an npm or Python package, or a package.json, for vulnerabilities and upkeep.
Read one public web page as clean Markdown with its links, after a robots.txt check.
Find research papers and arXiv preprints, and get an abstract and free full text from a DOI or id.
Photo Sheet turns a photo or a voice note into a clean table.
Public views, likes and comments of YouTube, TikTok and X posts, each with its source and read time.
Posts, video scripts, TikTok slide images, and a launch clip from your page.
Check US recalls for a car, a baby product, a food or a medicine in the official recall databases.
Remote Jobs by Country finds remote jobs a person can actually be hired for from where they live.
Read a CFR or eCFR section, or search US federal regulations and the Federal Register.
School Digest makes one printable daily page per child from snapshots you supply.
Turn assistant output into ready-to-send action links and files, with no sign-in.
Find what to fix on a public website, for search engines and for AI answers.
Open US class action settlements you may claim, with deadlines, payouts and official claim links.
Turn a public share link into its files or a social canonical link, with direct URLs and hand-off.
Check the customs side of selling online across borders.
Check public pages for SEO tags, AI crawler rules, AI citation signals and landing page conversion.
SlotScout sizes a child care benefit for one worksite in Texas or New York.
UI, game and motion sound effects from a description, as a WAV and Web Audio code, named by UCS.
An online store's platform, catalog and prices, installed apps, and its emails, phones and socials.
Ask what an online store sells, what it charges and what changed since the last time anyone looked.
Which of your cards to tap at a place: the cashback, cap and conditions, from the banks' own pages.
Find an HS code, HTS code or customs code, and read the customs duty or import tax.
Turn the reference images you collect into a written design taste your assistant can follow.
Get the US federal tax numbers right, with the IRS document each one comes from.
Score how AI-native a team is on 10 lines and get a 90-day plan and an AI champion role card.
A candlestick chart for a public ticker, with volume, the indicators you name and a plain read.
Turn a recording you own into a timestamped transcript with SRT and VTT captions and clips.
UK and US government travel advice for a country, plus live delays and weather at an airport.
The posts rising fastest right now on Hacker News, GitHub, Product Hunt and more, for any topic.
Cast a Tu Vi (Zi Wei Dou Shu) birth chart with the lunar date, 12 palaces, stars and cited readings.
Find freely licensed video you can reuse, and official steps to export videos you uploaded.
