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 squadcodercom/squadcoder --skill israeli-spreadsheetsgit clone --depth 1 https://github.com/squadcodercom/squadcoderWrote 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/squadcodercom/squadcoder/israeli-spreadsheets)<a href="https://agentmods.dev/skills/squadcodercom/squadcoder/israeli-spreadsheets"><img src="https://agentmods.dev/badge/skills/squadcodercom/squadcoder/israeli-spreadsheets/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/squadcodercom/squadcoder/israeli-spreadsheets"><img src="https://agentmods.dev/badge/skills/squadcodercom/squadcoder/israeli-spreadsheets.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 | $0.00097 | $0.03251 |
| Opus 5 | $0.00048 | $0.01625 |
| Sonnet 5 | $0.00019 | $0.00650 |
| Haiku 4.5 | $0.00010 | $0.00325 |
Grade A, and why
israeli-spreadsheets 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 8d 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 — 184 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Israeli Spreadsheets
Instructions
Step 1: Set Up Python Environment
Install openpyxl:
pip install openpyxl
Step 2: Israeli Financial Constants
- VAT rate: 18% (raised from 17% on 2025-01-01, held at 18% through the 2026 budget; the proposed 19% hike was dropped)
- Tax brackets 2026 (post Amendment 288): 10% up to 84,120 NIS, 14% up to 120,720, 20% up to 228,000, 31% up to 301,200, 35% up to 560,280, 47% up to 721,560, 50% above. The 20% and 31% bands were widened on 1 January 2026; the other thresholds were carried over from 2025 (frozen through 2027).
- Credit point value: 2,904 NIS/year (242 NIS/month), 2.25 points for residents
- Bituach Leumi (employee): 0.40% up to 7,122 NIS/month, 7.00% from 7,123 up to the 49,030 NIS/month ceiling; income above the ceiling is not insurable
- Health tax (employee): 3.10% up to 7,122 NIS/month, 5.00% above
Step 3: Tax Calculation Functions
Progressive (marginal) tax calculation with credit point deduction. Use Python Decimal for precision.
Step 4: Formatted Workbooks
Set ws.sheet_view.rightToLeft = True for RTL sheets. NIS format: '#,##0.00 "₪"'
Step 5: Templates
The bundled scripts/generate_spreadsheet.py produces three RTL Hebrew templates via --template {invoice,salary,arnona} --output FILE.xlsx:
- Invoice (Heshbonit Mas): Business/customer details, item table, subtotal, 18% VAT, total
- Salary slip (Tlush Maskoret): Earnings, deductions (income tax, Bituach Leumi, health tax, pension, keren hishtalmut), net pay. For the "income tax" line, subtract the Section 45a pension credit (35% of the employee-side pension deposit, subject to annual ceilings) from the progressive tax owed, otherwise the withheld amount will be overstated.
- Arnona estimator: Rates by city (Tel Aviv 55.80, Jerusalem 40.50, Haifa 33.20, Beer Sheva 27.90, Netanya 43.10 per sqm/bi-monthly)
Step 6: Google Sheets (RTL and ILS)
Many users work in Google Sheets rather than Excel. For Hebrew worksheets:
What ships with it
5 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.
- 8d ago First seen · 184 lines · 97 tokens per session scan A 6865b757dca2
israeli-spreadsheets is a skill published in the GitHub repository squadcodercom/squadcoder (11 stars, last pushed 2mo ago), licensed MIT. It adds 97 tokens to every session and 3,251 once invoked, about $0.0005 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 2026-09-03.
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