PolicyEngine/policyengine-claude
Skill Claude CodeCodex
Maintaining the policyengine-skills source repo and its generated policyengine-claude wrapper — adding or editing skills, bundles, and the Claude/Codex targets, and keeping the verification harness green. For maintaining the catalog, not for using PolicyEngine. Triggers: "update plugin", "add a skill", "edit a…
PolicyEngine/policyengine-claude
Skill Claude CodeCodex
Curated anchor list of PolicyEngine's previously-published scored reforms, plus the map of the real prior-scores infrastructure in this repo (presets, the scorekeepers registry, the /prior-scores command, and the prior-scores-finder agent). Use to find a benchmark magnitude to anchor a new analysis (Stage 3 / Stage 5…
PolicyEngine/policyengine-claude
Skill Claude CodeCodex
Find and cite PolicyEngine's published blog posts and research articles as evidence or proof points — for talks, pitches, grant narratives, and "has PolicyEngine written about X?" Triggers: "find a blog post", "PolicyEngine research on", "published analysis", "proof point", "has PolicyEngine written about", "cite our…
PolicyEngine/policyengine-claude
Skill Claude CodeCodex
PolicyEngine coding standards, environment setup, formatters, changelog, and CI requirements across every repo — what makes a PR pass and merge cleanly. Covers uv + .venv, ruff, bun, towncrier changelog fragments, the "wait for CI" PR pattern, and the repo-rename checklist. Triggers: "CI failing", "linting"…
PolicyEngine/policyengine-claude
Skill Claude CodeCodex
Load when building a standalone PolicyEngine interactive tool, calculator, or dashboard that deploys to Vercel and embeds into policyengine.org as a Next.js multizone. Covers the required stack (Next App Router + Tailwind v4 + @policyengine/ui-kit + bun), multizone zone config (basePath/assetPrefix, host rewrites…
PolicyEngine/policyengine-claude
Skill Claude CodeCodex
Load before writing PolicyEngine-UK code — UK household calculations, income tax (incl. Scottish and Welsh variations), National Insurance, Universal Credit and other benefits, poverty and reform analysis. Covers the person/benunit/household entity model (UK has NO taxunit), pe.uk.calculatehousehold, BHC vs AHC…
PolicyEngine/policyengine-claude
Skill Claude CodeCodex
US tax-benefit domain knowledge for analysts computing household or population impacts with the policyengine package (pe.us). Load for: which entity a US program attaches to (taxunit vs spmunit vs person), tax-unit role flags and filing status, post-OBBBA current-law values (2026 CTC, standard deduction, SALT cap)…
PolicyEngine/policyengine-claude
Skill Claude CodeCodex
Using the PolicyEngine web app (policyengine.org) to analyze how tax and benefit reforms affect a household or the whole population — the household calculator, the policy editor, and society-wide impact charts. For people using the site, not building it. Triggers: "how to use PolicyEngine", "household calculator"…
PolicyEngine/policyengine-claude
Skill Claude CodeCodex
PolicyEngine writing style for any public-facing prose — blog posts, research reports, documentation, PR descriptions, social copy, READMEs. Enforces active voice, quantitative precision, sentence-case headings, and the analytical neutrality a nonpartisan 501(c)(3) requires: no policy prescriptions dressed as…
PolicyEngine/policyengine-claude
Skill Claude CodeCodex
ALWAYS load this skill before writing any Python that computes taxes, benefits, or policy impacts with PolicyEngine — household calculations, microsimulation, reform scoring, poverty or distributional analysis, state/district/constituency breakdowns. Triggers: policyengine, microsimulation, calculatehousehold, reform…
PolicyEngine/policyengine-claude
Skill Claude CodeCodex
ALWAYS LOAD THIS SKILL for PolicyEngine PR reviews, including when the user invokes $review-program or Codex /review on a PolicyEngine PR. Performs read-only code validation, source-reference checks, regulatory review, optional PDF audit, summary reporting, and optional GitHub comment posting.