How do I install the Us States References skill?

Run npx skillmds@latest add openaccountants/us-states-references in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

Is Us States References safe to use?

This skill has not completed SkillMD's automated safety review yet. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Us States References?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Us States References free to use?

Yes. Installing skills from SkillMD is free. This skill is licensed under AGPL-3.

Who published Us States References?

openaccountants (@openaccountants) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Us States References by openaccountants

Name: Us States References
Author: openaccountants

File contents

United States — Related Open-Source Projects

General reference only. This skill is general tax/accounting reference material for AI-assisted workflows. It has not been reviewed for any specific person's facts, documents, elections, deadlines, residency, filing status, or local procedures. Do not rely on it to file, pay, amend, or take a tax position without review by a qualified professional in the relevant jurisdiction.

OpenAccountants is AGPL-3.0. All projects below have compatible licenses. Projects below can be incorporated with attribution.

policyengine-us

Repository: PolicyEngine/policyengine-us
License: AGPL-3.0
Stars: 145
Language: Python
Scope: The definitive US tax-benefit microsimulation model. Covers federal income tax, EITC, CTC, SNAP, Medicaid, SSI, state income taxes for all 50 states, and more.
Integration: Same AGPL-3.0 license — fully compatible. Federal and state tax computation logic can be directly incorporated.

py1040

Repository: b-k/py1040
License: GPL-2.0
Stars: 338
Language: Python
Scope: US personal income tax calculator implementing Form 1040. Covers standard/itemized deductions, tax brackets, credits.
Integration: GPL-2.0 is compatible with AGPL-3.0 (downstream must remain AGPL-3.0). Form 1040 logic and bracket calculations can be adapted.

Tax-Calculator

Repository: PSLmodels/Tax-Calculator
License: Custom open-source
Stars: 297
Language: Python
Scope: USA Federal Individual Income and Payroll Tax Microsimulation Model. Academic-grade tax policy analysis tool.
Integration: Custom open-source license — verify specific terms before incorporating. Useful as a reference for federal tax policy modeling and validation.

Source: OpenAccountants — open tax Guides for AI, reviewed by named CPAs/CAs/EAs. Quality: source-cited draft. For always-current figures and named-accountant backing, connect the OpenAccountants MCP server (openaccountants-mcp).

---name: us-states-referencesdescription: Primary source references and related open-source projects for this jurisdiction.license: AGPL-3.0-or-later (code) / OpenAccountants Guide License v1.0 (c---# United States — Related Open-Source Projects> **General reference only.** This skill is general tax/accounting reference material for AI-assisted workflows. It has not been reviewed for any specific person's facts, documents, elections, deadlines, residency, filing status, or local procedures. Do not rely on it to file, pay, amend, or take a tax position without review by a qualified professional in the relevant jurisdiction.OpenAccountants is AGPL-3.0. All projects below have compatible licenses. Projects below can be incorporated with attribution.## policyengine-us- Repository: [PolicyEngine/policyengine-us](https://github.com/PolicyEngine/policyengine-us)- License: AGPL-3.0- Stars: 145- Language: Python- Scope: The definitive US tax-benefit microsimulation model. Covers federal income tax, EITC, CTC, SNAP, Medicaid, SSI, state income taxes for all 50 states, and more.- Integration: Same AGPL-3.0 license — fully compatible. Federal and state tax computation logic can be directly incorporated.## py1040- Repository: [b-k/py1040](https://github.com/b-k/py1040)- License: GPL-2.0- Stars: 338- Language: Python- Scope: US personal income tax calculator implementing Form 1040. Covers standard/itemized deductions, tax brackets, credits.- Integration: GPL-2.0 is compatible with AGPL-3.0 (downstream must remain AGPL-3.0). Form 1040 logic and bracket calculations can be adapted.## Tax-Calculator- Repository: [PSLmodels/Tax-Calculator](https://github.com/PSLmodels/Tax-Calculator)- License: Custom open-source- Stars: 297- Language: Python- Scope: USA Federal Individual Income and Payroll Tax Microsimulation Model. Academic-grade tax policy analysis tool.- Integration: Custom open-source license — verify specific terms before incorporating. Useful as a reference for federal tax policy modeling and validation.---_Source: [OpenAccountants](https://openaccountants.com/skills/us-states-references) — open tax Guides for AI, reviewed by named CPAs/CAs/EAs. Quality: **source-cited draft**. For always-current figures and named-accountant backing, connect the OpenAccountants MCP server (`openaccountants-mcp`)._

Frequently asked questions

Us States References