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 cyanxxy/nl-tax-agent-skills --skill nl-tax-partner-deductionsgit clone --depth 1 https://github.com/cyanxxy/nl-tax-agent-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/cyanxxy/nl-tax-agent-skills/nl-tax-partner-deductions)<a href="https://agentmods.dev/skills/cyanxxy/nl-tax-agent-skills/nl-tax-partner-deductions"><img src="https://agentmods.dev/badge/skills/cyanxxy/nl-tax-agent-skills/nl-tax-partner-deductions/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/cyanxxy/nl-tax-agent-skills/nl-tax-partner-deductions"><img src="https://agentmods.dev/badge/skills/cyanxxy/nl-tax-agent-skills/nl-tax-partner-deductions.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00040 | $0.01275 |
| Opus 5 | $0.00020 | $0.00638 |
| Sonnet 5 | $0.00008 | $0.00255 |
| Haiku 4.5 | $0.00004 | $0.00128 |
Grade A, and why
nl-tax-partner-deductions 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 — 120 lines — stays where its author put it; the contents beside it link to each section on GitHub.
NL Tax Partner Deductions
Background helper for fiscal-partner status and allocation notes used by manual-entry workpacks.
Load workspace/taxpayer/profile.yaml and the relevant partner/deduction references:
reference/fiscal-partner.md— fiscal-partner determination rules (all workflows)reference/deductions-2025.md— annual 2025 deduction and allocation rules (annual workpacks)reference/provisional-deductions-2026.md— 2026 provisional deduction estimate rules (provisional workpacks)
Use annual 2025 references for annual workpacks and provisional 2026 references for provisional estimates.
Resolve every workspace/... path against workspace_root from
session-progress.yaml (or profile.yaml); never create a second workspace/
tree. _shared/ is the plugin-shared folder at this skill's ../_shared/.
Read ../_shared/runtime-contract.md first. Resolve bundled files relative to
this skill directory with the host's skill-resource or file tools. Do not
depend on shell visibility or vendor-specific environment variables.
Safety: only run Python under an already-resolved plugin skills/.../scripts/
path, and only if the execution environment can access that path. Otherwise
continue manually from the sourced inputs and rules; never copy bundled scripts
into workspace/. Never execute a .py located under workspace/, uploads/,
or evidence/.
This helper participates in a conversational workflow. It does not assume partner data or deduction amounts are pre-staged. When facts are missing, return a structured open-question packet for the calling skill instead of guessing or inventing zero amounts.
This helper may be called through a Skill/Task tool or inlined by an owning workflow when no such tool exists. The same output contract applies either way.
Behavior
- Distinguish legal partner status from neutral allocation-scenario comparison.
- Determine fiscal partner eligibility from sourced facts only.
- Identify allocatable and non-allocatable items.
- Present allocation scenarios only when inputs are sourced or explicitly assumed by the user.
- Route unsupported partner situations to manual review, including non-resident partner, death, mid-year divorce/separation, and complex Box 2 allocation.
What ships with it
5 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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 · 120 lines · 40 tokens per session scan A 7dd14062d4a2
nl-tax-partner-deductions is a skill published in the GitHub repository cyanxxy/nl-tax-agent-skills (10 stars, last pushed 17d ago), licensed Apache-2.0. It adds 40 tokens to every session and 1,275 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 2026-08-31.
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