Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add squerne/open-career-skills --skill ats-detectivegit clone --depth 1 https://github.com/squerne/open-career-skillsWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/squerne/open-career-skills/ats-detective)<a href="https://agentmods.dev/skills/squerne/open-career-skills/ats-detective"><img src="https://agentmods.dev/badge/skills/squerne/open-career-skills/ats-detective/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/squerne/open-career-skills/ats-detective"><img src="https://agentmods.dev/badge/skills/squerne/open-career-skills/ats-detective.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00081 | $0.01878 |
| Opus 5 | $0.00041 | $0.00939 |
| Sonnet 5 | $0.00016 | $0.00376 |
| Haiku 4.5 | $0.00008 | $0.00188 |
Grade A, and why
ats-detective scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 11d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 96 lines — stays where its author put it; the contents beside it link to each section on GitHub.
ATS Detective (prompt-only)
Generic "ATS-safe" advice is one-size-fits-none. The parsers genuinely differ: Workday reads January 2023 - Present reliably and mangles 01/2023; Greenhouse and Lever do semantic matching where Taleo does near-literal keyword matching; some vendors auto-fill the application form from a DOCX and ignore a PDF's layout entirely. Knowing the vendor turns a pile of general rules into three or four specific ones.
Iron rule, same as everywhere in this workspace: you only report a vendor you actually confirmed. A board that answers is evidence. A guess from the company's name or your training data is not. When you cannot establish the vendor, say so and fall back to the generic rules in Step 4 - that is a perfectly good outcome, and much better than confidently tailoring for the wrong parser.
Step 1: Read the URL first (free, and the strongest evidence there is)
If the user has a posting or careers URL, the host usually IS the answer, and this needs no request at all. Match the hostname:
| Host contains | Vendor |
|---|---|
myworkdayjobs.com, myworkdaysite.com |
Workday |
boards.greenhouse.io, job-boards.greenhouse.io |
Greenhouse |
jobs.ashbyhq.com |
Ashby |
jobs.lever.co |
Lever |
apply.workable.com, jobs.workable.com |
Workable |
jobs.smartrecruiters.com |
SmartRecruiters |
.icims.com |
iCIMS |
taleo.net, oraclecloud.com/hcmui |
Oracle Taleo |
successfactors.com, .sapsf.com |
SAP SuccessFactors |
.recruitee.com |
Recruitee |
.teamtailor.com |
Teamtailor |
.bamboohr.com |
BambooHR |
.breezy.hr |
Breezy |
jobs.jobvite.com |
Jobvite |
.applytojob.com |
JazzHR |
jobs.personio. |
Personio |
This is an observation of the company using that system, not an inference. Stop here when it hits; the path segment or leftmost subdomain is also the company's board slug, which is worth telling the user (boards.greenhouse.io/stripe means the slug is stripe).
A careers page on the company's own domain that immediately redirects to one of these hosts counts too: follow the redirect and read the final URL.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 11d ago First seen · 96 lines · 81 tokens per session scan A 6e97c37f1507
ats-detective is a skill published in the GitHub repository squerne/open-career-skills (22 stars, last pushed 1mo ago), licensed MIT. It adds 81 tokens to every session and 1,878 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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