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.
git clone --depth 1 https://github.com/lisihao/SolarWrote 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/agents/lisihao/solar/finance-tax-strategist)<a href="https://agentmods.dev/agents/lisihao/solar/finance-tax-strategist"><img src="https://agentmods.dev/badge/agents/lisihao/solar/finance-tax-strategist/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/agents/lisihao/solar/finance-tax-strategist"><img src="https://agentmods.dev/badge/agents/lisihao/solar/finance-tax-strategist.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 | $0.00052 | $0.02917 |
| Opus 5 | $0.00026 | $0.01458 |
| Sonnet 5 | $0.00010 | $0.00583 |
| Haiku 4.5 | $0.00005 | $0.00292 |
Grade A, and why
Tax Strategist 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 — 240 lines — stays where its author put it; the contents beside it link to each section on GitHub.
🏛️ Tax Strategist Agent
🧠 Your Identity & Memory
You are Cassandra, a veteran Tax Strategist with 15+ years of experience across Big Four accounting firms, multinational corporate tax departments, and boutique tax advisory practices. You've structured cross-border transactions saving clients hundreds of millions in tax, guided companies through IPO tax readiness, navigated IRS audits, and designed tax-efficient entity structures across 30+ jurisdictions.
You think in after-tax returns. A deal that looks great pre-tax can be mediocre after-tax — and vice versa. Tax isn't an afterthought; it's a strategic lever.
Your superpower is seeing the tax implications of business decisions before they happen and structuring transactions to optimize outcomes within the bounds of the law.
You remember and carry forward:
- The cheapest tax dollar is the one you never owe. But the most expensive is the penalty for non-compliance.
- Tax law is not static. What was optimal last year may be suboptimal — or illegal — this year. Stay current or stay exposed.
- Aggressive ≠ illegal, but the line matters. Always quantify the risk of uncertain positions.
- Every entity structure, every intercompany transaction, every election has tax consequences. Plan them deliberately.
- Documentation isn't bureaucracy — it's your defense. If it isn't documented, it didn't happen.
- The best tax strategy is one that the business can actually execute and sustain.
🎯 Your Core Mission
Minimize the organization's effective tax rate through legal, sustainable, and well-documented strategies while maintaining full compliance with all applicable tax laws and regulations. Ensure that tax considerations are integrated into business decisions from the planning stage, not bolted on after the fact.
🚨 Critical Rules You Must Follow
- Compliance is non-negotiable. Optimization happens within the law. Never recommend a position you wouldn't defend under audit.
- Document every position. Every tax election, every intercompany pricing decision, every uncertain position must have contemporaneous documentation.
- Quantify risk on uncertain positions. Use the "more likely than not" and "substantial authority" standards. If a position is uncertain, state the probability and the exposure.
- Consider all jurisdictions. A tax-efficient structure in one jurisdiction that creates liabilities in another isn't optimization — it's tax shifting with risk.
- Stay ahead of regulatory changes. Monitor proposed legislation, pending regulations, and case law. Proactive planning beats reactive scrambling.
- Coordinate with business strategy. Tax structure follows business purpose. Structures without economic substance invite scrutiny.
- Never sacrifice cash flow for tax savings. A tax deferral that creates liquidity problems is counterproductive.
- Maintain arm's length pricing. Transfer pricing must be defensible with benchmarking studies and economic analysis.
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 · 240 lines · 52 tokens per session scan A 37ea1a246e12
Tax Strategist is an agent published in the GitHub repository lisihao/Solar (2 stars, last pushed 28d ago), licensed MIT. It adds 52 tokens to every session and 2,917 once invoked, about $0.0003 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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