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 Receiptor-AI/bookkeeping-skills --skill tax-prepgit clone --depth 1 https://github.com/Receiptor-AI/bookkeeping-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/receiptor-ai/bookkeeping-skills/tax-prep)<a href="https://agentmods.dev/skills/receiptor-ai/bookkeeping-skills/tax-prep"><img src="https://agentmods.dev/badge/skills/receiptor-ai/bookkeeping-skills/tax-prep/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/receiptor-ai/bookkeeping-skills/tax-prep"><img src="https://agentmods.dev/badge/skills/receiptor-ai/bookkeeping-skills/tax-prep.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 | $0.00094 | $0.02287 |
| Opus 5 | $0.00047 | $0.01144 |
| Sonnet 5 | $0.00019 | $0.00457 |
| Haiku 4.5 | $0.00009 | $0.00229 |
Grade A, and why
tax-prep 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 — 189 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Tax Preparation Support
Organize financial records into tax-ready reports that an accountant can use directly or that the business owner can use to file accurately.
Read these when needed
- Read references/TAX-PACKAGE.md before delivering a package to an accountant or tax preparer.
- Run
scripts/tax_package_summary.pywhen you already have package artifacts and need a deterministic completeness summary.
Disclaimer: This skill organizes financial data for tax purposes. It does not constitute tax advice. Tax rules vary by jurisdiction and change frequently. Always consult a qualified tax professional for advice specific to your situation.
When to use
Use this when: tax season is approaching (Jan–Apr for calendar-year filers), the user's accountant requests organized records, quarterly estimated payments are due, or the user is catching up on prior-year filings.
Prerequisites
The quality of tax prep depends entirely on the quality of the underlying data. Before generating reports, the user should have: processed receipts, categorized expenses, and ideally reconciled bank statements. If any are missing, run those skills first. Fastest path from zero: extract receipts → categorize → reconcile → generate tax reports.
Step 1: Gather business context
| Question | Why it matters |
|---|---|
| Entity type? | Sole prop/single-member LLC → Schedule C. Partnership → 1065. S-Corp → 1120-S. C-Corp → 1120. |
| Tax year? | Calendar (Jan–Dec) or fiscal? Which year? |
| Accounting method? | Cash basis (most small businesses) or accrual? |
| State(s)? | State tax obligations, nexus, state-specific rules. |
| First year of business? | Startup costs: up to $5,000 immediate, rest amortized over 180 months. |
| Employees? | Triggers Forms 940, 941/944, W-2s. |
| Contractors? | See contractor-1099 skill for filing rules. |
| Home office? | See home-office skill for simplified vs. actual method. |
| Vehicle? | See vehicle-expenses skill for mileage rate vs. actual. |
| Equipment purchases? | See depreciation-assets skill for Section 179, bonus, MACRS. |
| Health insurance? | Self-employed health insurance → Form 1040 Line 17, NOT Schedule C. |
| Retirement contributions? | SEP/SIMPLE/Solo 401(k) → Form 1040 Line 20, NOT Schedule C. |
| Prior year carryforwards? | NOLs, depreciation, Section 179 carryover. |
What ships with it
2 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.
- 11d ago First seen · 189 lines · 94 tokens per session scan A bb29eaa3c76f
tax-prep is a skill published in the GitHub repository Receiptor-AI/bookkeeping-skills (4 stars, last pushed 3mo ago), licensed MIT. It adds 94 tokens to every session and 2,287 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 2026-08-31.
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