Claude Code Plugin

AI-powered policy analysis

Run microsimulations, model reforms, analyze distributional impacts, and build dashboards — all from your terminal.

# 1. Install Claude Code
$ npm install -g @anthropic-ai/claude-code
# 2. Add the plugin
$ claude plugins add PolicyEngine/policyengine-claude
# 3. Analyze
> What is the budgetary impact of doubling the standard deduction?

What you can do

Model a reform

Budgetary and distributional impacts from plain English.

> What if we raised the standard deduction to $20,000?
  Running microsimulation on 2024 Enhanced CPS...
  Cost: $80B · Winners: 62% · Gini: -0.001

Analyze historical policy

Study how programs have changed over time.

> How has the EITC max credit changed?
  Reading gov.irs.credits.eitc.max...
  3+ kids: $6,660 (2020) → $8,231 (2026)

Create household calculators

Show how a specific household is affected.

> Raise the CTC to $3k. Impact on a family of 4 earning $55k?
  CTC: $4,400 → $6,000
  Net change: +$1,280/yr (+$107/mo)

Build interactive dashboards

Let stakeholders explore reform scenarios.

> Build a dashboard comparing flat tax rates
  Creating interactive app with charts...
  ✓ app.py written → ready to run

Write policy briefs

Research-quality analysis with charts and tables.

> Write a brief on eliminating the SALT cap
  Cost: $69B · 98% goes to top decile
  ✓ salt_cap_brief.md written with 3 charts

Congressional district analysis

Map reform impacts to every district.

> Map the SALT cap repeal across all 435 districts
  Loading district-level microdata...
  ✓ 435 districts analyzed → choropleth ready

Demo

Watch how the plugin examines the impact of TANF on a household in LA County — from a plain-English prompt to a full household-level analysis.

From our June 2025 launch video · Watch full video

Population-level policy analysis

The analysis-tools plugin turns Claude into a microsimulation analyst. Point it at any tax or benefit reform and it runs full population analysis using PolicyEngine's weighted survey data.

Cost & revenue

Budgetary impact of any reform

Winners & losers

Who gains and who loses

Distributional

Decile impacts, Gini changes

Poverty effects

Rate and depth changes

Congressional

Per-district geographic impacts

50-state

State-by-state breakdowns

Encode policy with AI

Legal text to tested code with multi-agent pipelines.

Multi-agent AI workflows

Distributional analysis and benefit interactions.

Skills

Agents

Commands

Bundles