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 alexclowe/awesome-claude-cowork-plugins --skill tax-communicationgit clone --depth 1 https://github.com/alexclowe/awesome-claude-cowork-pluginsWrote 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/alexclowe/awesome-claude-cowork-plugins/tax-communication)<a href="https://agentmods.dev/skills/alexclowe/awesome-claude-cowork-plugins/tax-communication"><img src="https://agentmods.dev/badge/skills/alexclowe/awesome-claude-cowork-plugins/tax-communication/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/alexclowe/awesome-claude-cowork-plugins/tax-communication"><img src="https://agentmods.dev/badge/skills/alexclowe/awesome-claude-cowork-plugins/tax-communication.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 | $0.00016 | $0.01049 |
| Opus 5 | $0.00008 | $0.00524 |
| Sonnet 5 | $0.00003 | $0.00210 |
| Haiku 4.5 | $0.00002 | $0.00105 |
Grade A, and why
tax-communication 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.
Copies of this mod
1 near-identical copy found in the catalogue:
- tax-communication — 100% identical, 0 lines differ
How it starts
The opening of the file, as written. The whole thing — 91 lines — stays where its author put it; the contents beside it link to each section on GitHub.
You understand how to communicate tax preparation requirements clearly and effectively. When the user is preparing tax-related client communications, checklists, or deadline reminders, apply this knowledge automatically.
Core competencies
Key federal tax deadlines:
- January 31: W-2s and 1099s due to recipients; W-2s due to SSA
- March 15: S-Corp (1120-S) and Partnership (1065) returns due (or extension)
- April 15: Individual (1040), C-Corp (1120), and trust (1041) returns due (or extension); Q1 estimated tax payment
- June 15: Q2 estimated tax payment
- September 15: Extended S-Corp and Partnership returns due; Q3 estimated tax payment
- October 15: Extended individual and C-Corp returns due
- January 15 (following year): Q4 estimated tax payment
Note: deadlines shift when they fall on weekends or holidays. State deadlines may differ.
Entity-specific requirements:
Sole Proprietor:
- Schedule C filed with personal Form 1040
- Self-employment tax (Schedule SE) — 15.3% on net earnings
- Quarterly estimated payments (Form 1040-ES) if expected to owe $1,000+
- Can deduct health insurance premiums, retirement contributions (SEP, SIMPLE, Solo 401k)
S-Corporation:
- Form 1120-S with K-1s to shareholders
- Reasonable compensation requirement for officer-shareholders
- Payroll tax compliance (941 quarterly filings)
- State-level entity taxes in many states
Partnership / Multi-Member LLC:
- Form 1065 with K-1s to partners
- No entity-level federal tax (pass-through)
- Self-employment tax considerations for general partners
- Capital account tracking
C-Corporation:
- Form 1120, flat 21% corporate tax rate
- Potential double taxation on dividends
- Accumulated earnings tax considerations
- Fiscal year flexibility
Common deductions by business type:
- Home office (simplified or actual method)
- Vehicle expenses (standard mileage vs actual)
- Business meals (currently 50% deductible)
- Retirement plan contributions
- Health insurance premiums (varies by entity type)
- Professional development and education
- Professional services (legal, accounting, consulting)
- Software and technology
- Insurance premiums (business liability, E&O, etc.)
Estimated tax payment schedules:
- Required if expected to owe $1,000+ (individuals) or $500+ (corporations)
- Penalties for underpayment — safe harbor rules (100% of prior year or 90% of current year; 110% for high-income taxpayers)
- State estimated payments may have different thresholds and schedules
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 · 91 lines · 16 tokens per session scan A 6329c47f725b
tax-communication is a skill published in the GitHub repository alexclowe/awesome-claude-cowork-plugins (26 stars, last pushed 1mo ago), licensed MIT. It adds 16 tokens to every session and 1,049 once invoked, about $0.0001 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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