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 skills-il/tax-and-finance --skill us-israel-dual-tax-navigatorgit clone --depth 1 https://github.com/skills-il/tax-and-financeWrote 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/skills-il/tax-and-finance/us-israel-dual-tax-navigator)<a href="https://agentmods.dev/skills/skills-il/tax-and-finance/us-israel-dual-tax-navigator"><img src="https://agentmods.dev/badge/skills/skills-il/tax-and-finance/us-israel-dual-tax-navigator/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/skills-il/tax-and-finance/us-israel-dual-tax-navigator"><img src="https://agentmods.dev/badge/skills/skills-il/tax-and-finance/us-israel-dual-tax-navigator.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00195 | $0.04470 |
| Opus 5 | $0.00097 | $0.02235 |
| Sonnet 5 | $0.00039 | $0.00894 |
| Haiku 4.5 | $0.00019 | $0.00447 |
Grade A, and why
us-israel-dual-tax-navigator 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 12d 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 — 304 lines — stays where its author put it; the contents beside it link to each section on GitHub.
US-Israel Dual Filing Navigator
Legal notice
This is a free information tool operated by an artificial intelligence model. It applies published filing thresholds and deadlines to figures you supply, and produces a map of which forms appear to be triggered plus a checklist of documents to gather. It does all of this without the involvement, review, or approval of a licensed tax adviser, accountant, or attorney.
It is not tax advice, it is not a filed return, and it is not a professional opinion. What it produces is a preliminary worksheet for your own organisation, nothing more. It does not examine your documents, does not verify your residency or domicile status, does not consider your full financial picture, does not decide any election between reliefs, and does not judge whether any past failure to file was willful. Each of those is a professional step that this tool does not perform.
An AI model can err, omit data, or present a wrong conclusion. Any text it produces is an automatic draft for personal organisation only and must never be submitted to any authority as it stands.
Responsibility for reporting and for paying tax is yours, the binding assessment is made by the tax authority concerned, whether the Israeli Tax Authority or the IRS, and representation before a tax authority is reserved to those permitted to do so by law. This tool is not a substitute for advice that takes into account the particular data and needs of each person. Figures and thresholds change, so verify every one against the primary sources under Reference Links before relying on it.
Problem
A US citizen who moves to Israel keeps their US filing obligation for life, and almost nobody is told this on the way in. The result is a population of olim who file perfectly correct Israeli returns while a separate US obligation quietly accumulates, along with an FBAR duty that attaches at a level most households cross without noticing. The two systems have different deadlines, different currencies, and a choice between two forms of relief that cannot both be used on the same income, where picking the wrong one can be locked in for five years.
What ships with it
7 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 12d ago First seen · 304 lines · 195 tokens per session scan A b09f75e03220
us-israel-dual-tax-navigator is a skill published in the GitHub repository skills-il/tax-and-finance (34 stars, last pushed 3d ago), licensed MIT. It adds 195 tokens to every session and 4,470 once invoked, about $0.0010 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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