Pick the offer for your role: each names what you get, the price and the turnaround. Escrow on Upwork or Deel holds your payment until you approve the result.
Mail from one of your domains starts to bounce or land in spam, and nobody notices until a customer calls.
You get
SPF, DKIM and DMARC checked on each domain, a plain list of what fails, and the exact DNS records to paste. Only public DNS is read; we never need access to your systems.
hi, quick one: I can check SPF, DKIM and DMARC on all your company domains every month and flag what will break mail. one page, no access to your systems needed, only public DNS. fixed quote in 1 day. details and price: https://tools.openkrill.app/services#it-mail-auth
Deliverability consultant, Cold email or outbound agency
Health check for new sending domains
Every new sending domain a client adds is a risk: one missing record and a whole campaign goes to spam.
You get
SPF, DMARC, MX and domain age checked on each new sending domain, with the records to fix, the same day you send the list.
hi, I run a domain mail check as a tool: SPF, DMARC, MX, domain age. I can run it on every new sending domain your clients add and send the result same day. fixed price per batch, escrow. want to try it on 10 domains ? details and price: https://tools.openkrill.app/services#sender-domain-check
Websites and AI search
Marketing lead, B2B SaaS, seed to series A
SEO and AI readiness audit
You do not know whether ChatGPT, Claude or Perplexity can read your site at all, or what your competitors do better.
You get
Your site and 3 competitors: AI crawler access (GPTBot, ClaudeBot, PerplexityBot, Google-Extended), llms.txt, page tags and redirects, a fix list and a ready llms.txt draft. We check access and readiness; nobody can promise citations.
hi, I audit sites for SEO and for AI search: crawler access, llms.txt, page tags. one report for your site and 3 competitors, every month. fixed price, escrow, you approve the first report before paying. interested ? details and price: https://tools.openkrill.app/services#saas-ai-audit
Agency owner, SEO or web agency, 2 to 15 staff
White-label AI crawler and llms.txt audit
Clients ask about AI search, and building the checks in house for each site takes hours you cannot bill.
You get
The same AI readiness audit for each client site, as a plain report you can send under your own name.
Price
149 USD per site, 99 USD per site at 5 or more sites
hi, I built agent tools that check AI crawler access and llms.txt per site. I can run them for each of your clients and hand you a plain report under your name. fixed price per site. happy to run one client free so you can judge it. details and price: https://tools.openkrill.app/services#agency-ai-audit
Online shops and imports
Founder, Shopify store, 1 to 10 staff
Weekly competitor price and stock sheet
A competitor drops prices or runs out of stock, and you find out a week later.
You get
Up to 15 rival Shopify stores watched; every Monday one sheet of price changes, new products and items out of stock. Public storefront data only.
Price
29 USD for a first paid week, then 99 USD per month for up to 15 stores
hi, I run a small agent shop. I can watch 10 to 30 rival stores for you every week, prices and stock, and send one sheet on Monday. fixed price, paid through Deel escrow, you approve before it is released. want a quote ? https://tools.openkrill.app/services#shop-price-watch
Ops lead, Shopify store selling to the EU
Product feed check before upload
A catalog upload fails or goes live with missing fields, bad prices or weak titles, and you find out from the marketplace.
You get
Your product CSV checked row by row before upload: missing fields, bad prices, weak titles. One file back with each row marked.
hi, saw you upload big catalogs. I run a check on product CSVs before upload: missing fields, bad prices, weak titles. one file back with each row marked. fixed quote in 1 business day, escrow on Deel. send a sample feed if useful. details and price: https://tools.openkrill.app/services#shop-feed-check
Founder, Small DTC brand importing to the US
HTS codes and landed cost for a new line
You do not know which tariff code your product takes or what duty you will pay until the goods are at the border.
You get
For each product line: a suggested HTS code with the reason, the duty rate, a landed cost estimate and the source link. A person checks every line. It is not a customs ruling; your broker confirms.
hi, if you are bringing a new line into the US, I can draft the HTS codes and landed cost per item, with the source for each rate. a human checks every line. fixed quote, escrow on Upwork. want me to try 5 items first ? details and price: https://tools.openkrill.app/services#import-hts-codes
Software teams
Engineering manager, Dev team with 10 or more services
Dependency, end-of-life and CVE report
A runtime reaches end of life or a package gets a known flaw, and nobody on the team is watching.
You get
Your manifests (package.json, requirements.txt, go.mod and the like) checked for end-of-life runtimes, deprecated packages and known CVEs, with a ranked fix list and the exact upgrade for each line. You share the manifest files only.
Price
99 USD per repo, or 49 USD per month for a weekly report
Turnaround
48 hours after the deposit
Tools
Dev Facts Check, Package Health Check, CVE Risk Check
hi, I build tools that tell coding agents which runtimes are end of life and which packages are deprecated or vulnerable. I can run them on your repos' manifests every week and send one list. you share the manifest files only. fixed quote, escrow on Deel. details and price: https://tools.openkrill.app/services#eng-dependency-report
Security lead, Small fintech or SaaS
CVE triage list for your stack
Hundreds of CVEs a week, and no time to sort the few that matter for your stack.
You get
The known CVEs for your stack, ranked by EPSS (how likely an exploit is) and flagged when they are on the CISA KEV list of exploited flaws. Public data only; a person checks each line.
Price
99 USD per repo, or 49 USD per month for a weekly list
hi, I can take your stack list and send a CVE list ranked by EPSS and the CISA KEV flag, weekly. public data only, a human checks each line. fixed price. want a first run on one service ? details and price: https://tools.openkrill.app/services#sec-cve-triage
Indie developer, Product on Cloudflare Workers
Cloudflare bill sheet
The Cloudflare bill jumped, nobody can say which meter did it, and you wonder whether a VPS would be cheaper.
You get
Every meter of one account's last 30 days priced at the published rates, the monthly request count where your VPS becomes cheaper, and the lines that grow fastest. You paste the numbers; we never log in to your account. 149 USD adds a migration order with checks and rollback.
Price
79 USD per account, 149 USD with a migration order
Turnaround
24 hours after the deposit, 48 hours with the migration order
hi, saw your post about the cloudflare bill. I price one account's usage meter by meter at the published rates and find the request count where a vps gets cheaper. you paste the numbers, I never log in. fixed price, escrow. details and price: https://tools.openkrill.app/services#cloudflare-bill-sheet
Sales, hiring and finance
Finance or ops lead, EU startup invoicing EU clients
VAT number and register check on a client list
An invoice goes out with a VAT number that is no longer valid, and the reverse charge fails at the audit.
You get
Each VAT number on your client list checked in the EU VIES service and the company register, with the ones that fail marked.
hi, send me your client list and I check each VAT number in VIES and the company register, and mark the ones that fail. fixed quote, paid through Deel escrow. useful before the next invoice run ? details and price: https://tools.openkrill.app/services#eu-vat-check
Sales lead, B2B startup selling to Europe
Lead list enrichment for Europe
Your lead list has company names but no register entry, no VAT status, and mail domains that may bounce.
You get
Each lead enriched with its register entry, its VAT status and whether its mail domain is set up right. One sheet back, checked by a person.
hi, I can enrich a lead list for Europe: register entry, VAT status, and whether their mail domain is set up right. one sheet back, a human checks it. fixed price per 100 rows. want a test on 20 rows ? details and price: https://tools.openkrill.app/services#eu-lead-enrich
Recruiter, Tech recruiting agency
Weekly list of companies hiring for a role
Finding which companies are hiring for one role in one region means hours on job boards every week.
You get
Every week, the companies with open roles for your role and region, pulled from public job boards (Greenhouse, Lever, Ashby), with a link to each post.
hi, I pull open roles from public job boards (Greenhouse, Lever, Ashby) and can send you a weekly list of companies hiring for one role and region. fixed price per week, escrow. which role should I try first ? details and price: https://tools.openkrill.app/services#hiring-list
Founder, B2B startup before product-market fit
Buyer-intent list of public posts
You need to talk to people who want what you sell, and cold lists do not tell you who is asking right now.
You get
20 to 50 real public posts a week where people ask for a product like yours, with a link to each. No private data is scraped.
hi, I run a tool that finds public posts where people ask for a product like yours. I can send 20 to 50 real posts with links each week, no scraping of private data. fixed quote. what do you sell, in one line ? details and price: https://tools.openkrill.app/services#buyer-intent-list
Research and publishing
Researcher, University lab or think tank
Reference check of a paper draft
A wrong year, a dead DOI or a retracted source in the reference list is found by a reviewer, not by you.
You get
Every reference resolved to a real record (DOI, title, year), checked against retraction data, with wrong, dead or invented citations flagged and a fixed reference list back. A person checks every result.
Price
39 USD per document up to 50 references, 79 USD up to 150
hi, I built a citation checker: it checks each reference against Crossref and retraction data and flags wrong years and dead DOIs. I can run it on your draft and send the marked list. fixed price per paper. details and price: https://tools.openkrill.app/services#paper-reference-check
Editor, Small publisher or newsletter
Fact and citation check before publish
A wrong stat or a broken source in an issue costs trust with readers, and checking every link by hand takes an evening.
You get
The citations, statistics and rule references in a draft checked against the public source, with a list of what does not match.
Price
39 USD per issue up to 50 sources, 79 USD up to 150
Turnaround
48 hours after the deposit
Tools
Citation Checker, US Federal Regulations (CFR), Country Stats Facts
hi, before you publish, I can check the citations, stats and rule references in a draft against the public source, and send a list of what does not match. fixed price per issue. want to try one past issue free ? details and price: https://tools.openkrill.app/services#newsletter-fact-check
Operations and products
Payroll or HR ops, Company with staff in several countries
Business-day and holiday calendar per country
Payroll dates and deadlines slip because each country has its own public holidays and nobody keeps one list.
You get
Next year's business days and public holidays for each country you pay staff in, as one sheet and calendar files.
hi, I can build next year's business-day and public holiday calendar for each country you pay staff in, as one sheet and calendar files. fixed quote, done in 1 to 2 days. details and price: https://tools.openkrill.app/services#holiday-calendar
Fleet or car dealer manager, Used car dealer
Weekly open recall check on your stock
A car with an open safety recall is sold or rented out, and the dealer carries the risk.
You get
Every car in stock checked for open recalls by make, model and year, with the list sent weekly. Public data; a person checks it.
hi, I can check every car in your stock for open recalls, by make, model and year, and send the list weekly. public data, a human checks it. fixed price. want a first run on 20 cars ? details and price: https://tools.openkrill.app/services#dealer-recall-check
Product lead, Food brand or grocery app
Allergen and nutrition check by barcode
Product data in your app or on your labels does not match the open food records, and nobody has time to check each item.
You get
Allergens and nutrition for each barcode on your list from open food data, with gaps and conflicts marked.
hi, give me a list of barcodes and I send back allergens and nutrition per product from open food data, with gaps marked. fixed quote. good for a label review ? details and price: https://tools.openkrill.app/services#food-allergen-check
Content and video
Content creator, Course or YouTube channel
Transcripts and subtitles in 2 languages
A backlog of videos with no transcripts or subtitles, so search and viewers in a second language miss them.
You get
Transcripts and subtitle files in 2 languages for your video backlog, checked by a person.
hi, I can turn your video backlog into transcripts and subtitles in 2 languages, checked by a person. fixed price per hour of video, escrow. send one video link to test. details and price: https://tools.openkrill.app/services#video-transcripts
Founder, New consumer app
TikTok starter pack from your product page
A new TikTok account, no idea what to post first, and two weeks pass with nothing up.
You get
3 or 4 angles, 3 to 4 slideshows with captions, one 15-second film in 9:16 and a 14-day posting plan. You post it; we never log in to your account.
Price
149 USD per pack
Turnaround
First film 1 working day after you confirm the facts
hi, I make a TikTok starter pack from your product page: 3 to 4 slideshows, one 15 s film, a 14-day posting plan. you post it, I never log in to your account. fixed quote, escrow on Deel or Upwork. sample: https://tools.openkrill.app/services#tiktok-starter
Founder or marketing lead, Small team that writes with AI agents
Marketing brain starter for your AI agents
Every AI chat starts from zero, so prices drift, banned claims slip in and the brand name changes from one draft to the next.
You get
Markdown files on your company, offers, audience, brand and lessons, one skill file that points at public MCP tools, and one pass of our site checks, read by a person. No ads, analytics or GitHub login.
Price
349 USD for one brand
Turnaround
Within 2 business days of the deposit
Tools
Site SEO & AI Crawler Audit, SEO Audit, AI Text Check
hi, I build a marketing brain for your AI agents: markdown files on your company, offers, audience and brand, plus one skill file, from your public site. a person checks every line, no logins. fixed price, escrow on Deel or Upwork. sample and price: https://tools.openkrill.app/services#marketing-brain