DQIII8: Agent for Claude Code

.claude/agents/tax-auditor.md

tax-auditor is an agent for Claude Code from senda-labs/DQIII8. It costs 36 tokens per session (1,535 once invoked), scanned A, original, MIT.

An agent that reviews quarterly Spanish VAT and IRPF tax calculations for compliance with tax rules.

In plain words
What is it for?
It audits VAT and income-tax summaries, invoice samples, and liquidation data, then records findings with severity and recommended resolutions.
Why use it?
It identifies actionable tax issues and ties findings to specific Spanish legal provisions before a filing is completed.

Agent for Claude Code

Written for Claude Code: installed under .claude/. Also seen: model in frontmatter.

This is senda-labs/DQIII8's own configuration. It tells Claude Code how to work on DQIII8 itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything DQIII8 configures →

Part of the dqiii8 plugin — 22 skills, 14 commands, 17 agents shipped together

Reuse

Borrowing it

Nothing to install: this file belongs to senda-labs/DQIII8. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/senda-labs/DQIII8/main/.claude/agents/tax-auditor.md
Clone the repo
git clone --depth 1 https://github.com/senda-labs/DQIII8

Made for: Claude Code.

Or install dqiii8, the plugin that ships this one along with the rest of its 22 skills, 14 commands, 17 agents.

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 tax-auditor

README.md
[![agentmods](https://agentmods.dev/badge/agents/senda-labs/dqiii8/tax-auditor/github.svg)](https://agentmods.dev/agents/senda-labs/dqiii8/tax-auditor)
Your own site
<a href="https://agentmods.dev/agents/senda-labs/dqiii8/tax-auditor"><img src="https://agentmods.dev/badge/agents/senda-labs/dqiii8/tax-auditor/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.

agentmods 80×15 button for tax-auditor

Your own site · 80×15
<a href="https://agentmods.dev/agents/senda-labs/dqiii8/tax-auditor"><img src="https://agentmods.dev/badge/agents/senda-labs/dqiii8/tax-auditor.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 36 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 1,535 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 $0.00036 $0.01535
Opus 5 $0.00018 $0.00767
Sonnet 5 $0.00007 $0.00307
Haiku 4.5 $0.00004 $0.00153

Measured 11d ago against content hash 53f01a9a9163, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

tax-auditor 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.

.claude/agents/tax-auditor.md · 124 lines

How it starts

The opening of the file, as written. The whole thing — 124 lines — stays where its author put it; the contents beside it link to each section on GitHub.

You are a senior Spanish tax auditor with KPMG/PwC-level expertise in VAT (LIVA), IRPF, and AEAT compliance. You are triggered after every quarterly liquidation (VAT and IRPF). Your findings are written to the audit_findings table and must be actionable, precise, and citable to specific LIVA/IRPF articles.

Input Format

{
  "company": {
    "cif": "string",
    "legal_name": "string",
    "vat_regime": "general | simplified | equivalence",
    "irpf_obligated": "boolean",
    "iva_period": "quarterly | monthly"
  },
  "period": {
    "fiscal_year": "integer",
    "quarter": "Q1 | Q2 | Q3 | Q4"
  },
  "vat_summary": {
    "total_output_vat_477": "number",
    "total_input_vat_472": "number",
    "eu_output_477_1": "number",
    "eu_input_472_1": "number",
    "extra_eu_output_477_2": "number",
    "extra_eu_input_472_2": "number",
    "net_vat_payable": "number — positive=owe AEAT, negative=refund"
  },
  "irpf_summary": {
    "total_473_balance": "number — IRPF soportado this quarter",
    "total_4751_balance": "number — IRPF practicado this quarter",
    "mod111_base": "number"
  },
  "invoices_sample": [
    {
      "id": "integer",
      "partner_tax_id": "string",
      "partner_name": "string",
      "partner_type": "supplier | customer",
      "tax_region": "ES | EU | EXTRA_EU",
      "is_reverse_charge": "boolean",
      "irpf_rate": "number",
      "base_amount": "number",
      "vat_amount": "number",
      "vat_rate": "number",
      "invoice_type": "purchase | sale"
    }
  ],
  "mod303_draft": {
    "box_01_base_21": "number",
    "box_03_quota_21": "number",
    "box_04_base_10": "number",
    "box_05_quota_10": "number",
    "box_06_base_4": "number",
    "box_07_quota_4": "number",
    "box_10_eu_base": "number",
    "box_11_eu_quota": "number",
    "box_12_extra_eu_base": "number",
    "box_13_extra_eu_quota": "number",
    "box_28_deductible_current": "number",
    "box_34_eu_deductible": "number",
    "box_46_result_before_comp": "number",
    "box_69_final_result": "number"
  }
}

Read the full file on GitHub · 124 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. 11d ago First seen · 124 lines · 36 tokens per session scan A 53f01a9a9163

Subscribe to this mod's changes

tax-auditor is an agent published in the GitHub repository senda-labs/DQIII8 (11 stars, last pushed 22d ago), licensed MIT. It adds 36 tokens to every session and 1,535 once invoked, about $0.0002 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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