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 AlexTeplovCPA/it-contractors-skills --skill reviewing-psb-risk-factsgit clone --depth 1 https://github.com/AlexTeplovCPA/it-contractors-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/alexteplovcpa/it-contractors-skills/reviewing-psb-risk-facts)<a href="https://agentmods.dev/skills/alexteplovcpa/it-contractors-skills/reviewing-psb-risk-facts"><img src="https://agentmods.dev/badge/skills/alexteplovcpa/it-contractors-skills/reviewing-psb-risk-facts/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/alexteplovcpa/it-contractors-skills/reviewing-psb-risk-facts"><img src="https://agentmods.dev/badge/skills/alexteplovcpa/it-contractors-skills/reviewing-psb-risk-facts.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 | $0.00093 | $0.01338 |
| Opus 5 | $0.00046 | $0.00669 |
| Sonnet 5 | $0.00019 | $0.00268 |
| Haiku 4.5 | $0.00009 | $0.00134 |
Grade A, and why
reviewing-psb-risk-facts 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 — 157 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Reviewing PSB Risk Facts
Review personal services business risk facts for a Canadian IT contractor operating through a corporation.
Core Rules
- Organize PSB-relevant facts, do not determine PSB status.
- Do not conclude that the user is or is not a personal services business.
- Do not advise on restructuring arrangements.
- Do not determine tax consequences of a PSB finding.
- Preserve uncertainty where client relationship or incorporation facts are incomplete.
- Flag significant risk indicators for CPA review.
- Do not state that the user's arrangement is compliant.
- Do not state that the user is ready to file.
- Use this phrase where relevant: "That is outside what this workflow covers. It is a question for a CPA before you file."
Inputs
Do not ask the user to share SIN, business number, account numbers, or client names. Use general descriptions and rounded amounts.
Accept any of:
- description of the user's corporate structure
- description of client relationships and contract terms
- prior year T2 return summary
- user explanation in chat
Minimum useful input:
- description of how business income is earned
- whether income flows through a corporation
- description of the primary client relationship
Read from the shared input schema where available: case_id, tax_year, engagement_mode, user_profile, facts.business_activity, facts.corporate_structure, form_context, review_state.
Read from prior skill outputs where available: identifying-income-sources.
Workflow
1. Confirm PSB review is relevant
Check whether the user earns income through a corporation. If the user is self-employed as an individual with no corporation, PSB does not apply to their T1 filing directly. Note this and return not_applicable unless the user has indicated a corporation is involved.
2. Organize incorporation and structure facts
Identify:
- whether the user operates through a corporation
- the nature of the business activity
- whether the corporation has employees other than the user
- whether the user is the sole or primary worker
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 · 157 lines · 93 tokens per session scan A a8a41dbf5dc0
reviewing-psb-risk-facts is a skill published in the GitHub repository AlexTeplovCPA/it-contractors-skills (2 stars, last pushed 2mo ago), licensed MIT. It adds 93 tokens to every session and 1,338 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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