cpa-irs-representation

cpa-irs-representation is a skill for Claude Code, Codex from deciqAI/knowledge-skills. It costs 172 tokens per session (3,427 once invoked), scanned A, original, MIT.

A structured guide for accountants and enrolled agents handling disputes with the U.S. Internal Revenue Service (IRS), such as notices, audits, unpaid taxes, liens, or appeals.

In plain words
What is it for?
It helps decide whether to accept a representation case, gather facts, choose a response path, and identify when a lawyer should be involved.
Why use it?
It reduces the risk of responding to the wrong issue, missing a date stated in the notice, or accepting work outside the agreed scope.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit It helps decide whether to accept a representation case, gather facts, choose a response path, and identify when a lawyer should be involved.

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Install with agentmods
npx agentmods add skills/deciqai/knowledge-skills/cpa-irs-representation
Install

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.

Any agent
npx skills add deciqAI/knowledge-skills --skill cpa-irs-representation
Clone the repo
git clone --depth 1 https://github.com/deciqAI/knowledge-skills

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for cpa-irs-representation

README.md
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Your own site
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Your own site · 80×15
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Per session 172 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,427 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00172 $0.03427
Opus 5 $0.00086 $0.01714
Sonnet 5 $0.00034 $0.00685
Haiku 4.5 $0.00017 $0.00343

Measured 10d ago against content hash cefd8b1d81be, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

cpa-irs-representation 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 10d 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.

cpa-irs-representation/SKILL.md · 175 lines

How it starts

The opening of the file, as written. The whole thing — 175 lines — stays where its author put it; the contents beside it link to each section on GitHub.

CPA/EA — IRS Representation

Not legal or tax advice. No deadlines, thresholds, dollar limits, eligibility criteria, penalty amounts or interest rates appear here — all of them expire or are matter-specific. The notice states its own date. Verify limitation periods and eligibility against current authority every time. Where facts suggest exposure beyond a civil dispute, involve counsel.

Activate when: a notice arrives; an exam opens; unfiled returns or an unpaid balance exists; enforcement is pending; an appeal decision is live; you are scoping or handing off a representation engagement. Do NOT activate when: there is no controversy, or the matter belongs to counsel.

Why this skill

Representation punishes improvisation. Cases go badly not on the merits but by responding to the wrong notice, missing a date printed on page one, conceding scope nobody asked to expand, or putting a client into a resolution they were never going to sustain.

Structure: an intake gate, two fact phases, four routes. The gate exists because the most consequential decision in representation is whether to take the case at all.

Process

Gate — Before you take the case

Each item can end the engagement, and each is cheaper to check now than later.

  1. Authorized? Representation rights differ by credential and by whether you prepared the return. Confirm your standing for this taxpayer, these tax types, these periods.
  2. Conflict? Common and easy to miss: spouses whose interests diverge once liability allocation is live; an entity and its owner where the adjustment shifts between them; two shareholders on one K-1 issue; a client whose position implicates a return you prepared. Where consent is permissible, get it in writing before the first adverse development.
  3. Competent for this matter? Competence is matter-specific. Having prepared the return does not make you the right person to defend it. Referring out is a better professional outcome than learning on a client's case.
  4. Did you prepare the return under exam? Not disqualifying, but your work is now part of the record and your judgment about your own position is not neutral. Name it to yourself, and consider whether the client should hear it.
  5. Scope, authorization and fee in writing. Which tax types, which periods, which matters — the authorization form is a scope document, and a broad one grants more than the client may intend. Preparing unfiled returns is usually a separate engagement from representing on the balance. Define how authority gets withdrawn at the end.
  6. Privilege relevant? Protection for communications with a federally authorized practitioner is limited and does not extend everywhere — notably not to criminal matters and not to return preparation.

Read the full file on GitHub · 175 lines

Changes

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.

  1. 10d ago First seen · 175 lines · 172 tokens per session scan A cefd8b1d81be

Subscribe to this mod's changes

cpa-irs-representation is a skill published in the GitHub repository deciqAI/knowledge-skills (10 stars, last pushed 8d ago), licensed MIT. It adds 172 tokens to every session and 3,427 once invoked, about $0.0009 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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