llms.txt
+161 −15
https://tools.openkrill.app/llms.txt
− # Agent Tools− - `x-posts` (MCP: `read_x_post`): X (Twitter) posts read without a login, given x.com, twitter.com, fxtwitter.com, fixupx.com or vxtwitter.com URLs or post ids (up to 20). Each post comes back as text, author, time, media URLs, the quoted post, reply target and public counts. Set `includeThread` to also get the author's own earlier posts in the thread, oldest first, up to 25. Replies from other accounts are not available because X serves them only to logged-in sessions; every post carries `repli− Public MCP servers with no API key and no key option, one per plugin, for ChatGPT and other MCP clients. Calls are limited per network and per day; only aggregate call counts are kept (https://tools.openkrill.app/privacy).− - OpenKrill Business Days: https://businessdays.openkrill.app/mcp. Three tools: `count_business_days` (working days between two dates for a country or region), `add_business_days` (the date a number of business days before or after a date) and `list_holidays` (public holidays from Nager.Date, school holidays from OpenHolidays). Each answer states how days were counted: weekend days, which holidays applied, and whether the start and end dates were included. Public holiday calendars only, not a le− - Tariff Code Finder: https://tariffs.openkrill.app/mcp. Two tools: `find_tariff_codes` (candidate tariff codes for a described product, from the UK Trade Tariff or the US Harmonized Tariff Schedule) and `get_duty_rate` (the import duty on a code; for the UK also VAT, the preferential rate for an origin country and other measures). Every code is a candidate, not a binding classification; chapter 99 additional duties for the US are not included. UK and US only. Read-only.− - EU Business Check: https://eubusiness.openkrill.app/mcp. Three tools: `check_vat_number` (whether an EU or Northern Ireland VAT number is valid, with the registered name of a legal entity where the member state publishes it and a VIES consultation number on request), `find_company_lei` (the Legal Entity Identifier of a company, from GLEIF) and `lookup_company_registry` (the French Sirene and Norwegian Enhetsregisteret company registers). Names are shown only for legal entities; sole proprietor− - Rules Lookup: https://rules.openkrill.app/mcp. Three tools: `get_cfr_section` (the current text, authority and amendment history of a section of the US Code of Federal Regulations, from the eCFR), `search_cfr` (which sections of the current regulations cover a topic) and `search_federal_register` (rules, proposed rules, notices and presidential documents, with comment deadlines and effective dates). General information, not legal advice; the eCFR is an unofficial edition; US federal regulation− - Site Check: https://sitecheck.openkrill.app/mcp. Seven tools: `check_ai_crawler_access` (whether a site's robots.txt, headers and redirects let 14 named AI crawlers fetch a page), `check_page_tags` (title, description, canonical, language, Open Graph and Twitter tags, and which are missing) and `trace_redirects` (each redirect hop, the final address, https upgrade and security headers), plus four more: `landing_page_check` (conversion checks on one landing page from its HTML: headline, value p− - Live Card: https://livecard.openkrill.app/mcp. Two tools, `render_live_card` and `live_card_status`. Pass self-contained cover HTML and animation HTML (inline SVG, inline CSS and data: URLs only; a remote URL is refused). Duration at most 3 seconds, default 1080 by 1440, 15 or 30 fps. The call queues a render and returns a job_id. Poll `live_card_status` until status is ready, then use the four download links (jpeg, mov, mp4, gif). The JPEG and MOV share a content identifier and are the Apple − - Tax Numbers: https://tax.openkrill.app/mcp. Four tools, `get_tax_parameters`, `get_mileage_rate`, `tax_deadlines` and `estimate_federal_tax`: US federal tax figures for tax years 2025 and 2026 (brackets, standard deduction, long-term capital gains thresholds, Social Security wage base and self-employment tax, 401(k) and IRA limits), the IRS standard mileage rates since 2022, filing and estimated-payment deadlines, and a simple federal estimate with its assumptions and exclusions. Every row nam− - Buyer Signals: https://signals.openkrill.app/mcp. Three tools: `find_buyer_signals` (an industry from a fixed list, an optional region, an optional role such as bookkeeper, a lookback of 1 to 60 days; returns companies from new SEC Form D filings ranked by score, each with a one-line why and dated signals linking to the SEC filing or to a Greenhouse, Lever or Ashby posting open 60+ days), `list_signal_sources` (the sources, their terms links and what is not used) and `stack_pains` (a tool cate− - Post Kit: https://postkit.openkrill.app/mcp. Four tools: `draft_posts` (a topic and up to 6 platforms from x, bluesky, threads, mastodon, linkedin, instagram, reddit, youtube, pinterest, tiktok: a draft per platform with its length, hashtag and title check against the platform's rules, a checklist with the source of each rule and the date the rules were checked), `localize_post` (a post you wrote and a target market: an adapted post in the local language with the list of changes and an optiona− - Domain Mail Check: https://mailcheck.openkrill.app/mcp. Three tools: `check_email_auth` (a domain and optional DKIM selectors: SPF policy and DNS lookup count, DMARC policy, percentage and report address, DKIM per selector, MX hosts and mail provider, a grade from A to F, issues and fixes), `check_dns_records` (A, AAAA, MX, TXT, CAA and NS records with TTLs and the mail provider named by the MX hosts) and `lookup_domain_registration` (registered or not, registrar, created, updated and expiry d− - CVE Risk Check: https://cve.openkrill.app/mcp. Three tools: `check_cve` (a CVE id: priority exploited, likely, routine or unknown, CVSS score and severity, CISA Known Exploited Vulnerabilities status with due date, EPSS probability, a patch or advisory link and the NVD and EPSS as-of dates), `check_cves` (up to 10 CVE ids, most urgent first, with a count per priority) and `list_recent_kev` (CVEs CISA added to its exploited list in the last 1 to 90 days, with an optional product word). Sources − - Ad Angle Map: https://adangle.openkrill.app/mcp. Three tools: `map_store_offers` (price range, discount depth, bundles, subscriptions and persuasion angles from the public Shopify product feed of one to three stores you name, after robots.txt, at most three pages of 250), `map_ad_angles` (ads you paste in, clustered by persuasion angle, with the angles nobody or only one advertiser uses, as ad ids and counts) and `validate_angle_gaps` (a gap checked against Hacker News and, optionally, a Stack+ # Agent Tools by OpenKrill+ ## About OpenKrill+ OpenKrill builds Agent Tools: MCP servers and HTTP APIs that AI agents call for live public data. The tools are free to use, with no sign-up and no API key, within rate and daily limits. Our paid service is managed tasks: a person runs our agents on your task and checks the result, for a fixed quote paid through escrow on Deel or Upwork. The paid service is described at https://tools.openkrill.app/managed-agents. Fixed-price services, each with what you get, the price and the turnaround, are lis+ Who we are: https://tools.openkrill.app/about. Contact and security reports: https://tools.openkrill.app/contact. What we keep: https://tools.openkrill.app/privacy. Terms of use: https://tools.openkrill.app/terms.+ ## Live tools+ One line per live MCP server: the page on this site that describes it, then the MCP URL (streamable HTTP, no key needed).+ - Agent Tools API (`get_transcript`, `list_jobs`, `get_app_reviews`, `read_x_post`): page https://tools.openkrill.app/#tools, MCP https://api.openkrill.app/mcp+ - Email Engagement Report: page https://tools.openkrill.app/#emailpld, MCP https://emailpld.openkrill.app/mcp+ - Company Jobs Finder: page https://tools.openkrill.app/#company-jobs, MCP https://jobs.openkrill.app/mcp+ - Startup Name Check: page https://tools.openkrill.app/#names, MCP https://names.openkrill.app/mcp+ - Package Health Check: page https://tools.openkrill.app/#packages, MCP https://packages.openkrill.app/mcp+ - Recall Check: page https://tools.openkrill.app/#recalls, MCP https://recalls.openkrill.app/mcp+ - Citation Checker: page https://tools.openkrill.app/#citations, MCP https://citations.openkrill.app/mcp+ - Store Price Tracker: page https://tools.openkrill.app/#store-prices, MCP https://stores.openkrill.app/mcp+ - Business Days & Workday Calc: page https://tools.openkrill.app/#business-days, MCP https://businessdays.openkrill.app/mcp+ - Tariff & HS Code Duty Finder: page https://tools.openkrill.app/#tariffs, MCP https://tariffs.openkrill.app/mcp+ - EU Business & VAT Checker: page https://tools.openkrill.app/#eu-business, MCP https://eubusiness.openkrill.app/mcp+ - US Federal Regulations (CFR): page https://tools.openkrill.app/#rules, MCP https://rules.openkrill.app/mcp+ - Site SEO & AI Crawler Audit: page https://tools.openkrill.app/#site-check, MCP https://sitecheck.openkrill.app/mcp+ - Travel Check: page https://tools.openkrill.app/#travel, MCP https://travel.openkrill.app/mcp+ - Food Facts: page https://tools.openkrill.app/#food, MCP https://food.openkrill.app/mcp+ - Car Check: page https://tools.openkrill.app/#cars, MCP https://cars.openkrill.app/mcp+ - Document Tools: page https://tools.openkrill.app/#docs, MCP https://docs.openkrill.app/mcp+ - Tax Numbers: page https://tools.openkrill.app/#tax, MCP https://tax.openkrill.app/mcp+ - Shop Duty Desk: page https://tools.openkrill.app/#shop-duty, MCP https://shopduty.openkrill.app/mcp+ - Catalog QA Desk: page https://tools.openkrill.app/#catalog-qa, MCP https://catalogqa.openkrill.app/mcp+ - Dev Facts Check: page https://tools.openkrill.app/#dev-facts, MCP https://devfacts.openkrill.app/mcp+ - Paper Finder: page https://tools.openkrill.app/#papers, MCP https://papers.openkrill.app/mcp+ - CVE Risk Check: page https://tools.openkrill.app/#cve, MCP https://cve.openkrill.app/mcp+ - Domain Mail Check: page https://tools.openkrill.app/#mailcheck, MCP https://mailcheck.openkrill.app/mcp+ - Country Stats Facts: page https://tools.openkrill.app/#countrystats, MCP https://countrystats.openkrill.app/mcp+ - SEO Audit: page https://tools.openkrill.app/#seo-audit, MCP https://seoaudit.openkrill.app/mcp+ - AI Text Check: page https://tools.openkrill.app/#ai-text, MCP https://aitext.openkrill.app/mcp+ - Market Indicators: page https://tools.openkrill.app/#market-indicators, MCP https://indicators.openkrill.app/mcp+ - Industry Pulse: page https://tools.openkrill.app/#industry-pulse, MCP https://pulse.openkrill.app/mcp+ - Transcript Kit: page https://tools.openkrill.app/#transcript-kit, MCP https://transcript.openkrill.app/mcp+ - Live Card: page https://tools.openkrill.app/#live-card, MCP https://livecard.openkrill.app/mcp+ - LP Pool Check: page https://tools.openkrill.app/#lpcheck, MCP https://lpcheck.openkrill.app/mcp+ - Hire or Automate: page https://tools.openkrill.app/#hire, MCP https://hire.openkrill.app/mcp+ - Post Kit: page https://tools.openkrill.app/#postkit, MCP https://postkit.openkrill.app/mcp
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