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Tech riderRev. 12 Oct 2026

SuperTaxAgent

Ch 1135.9of 123Personal Tax Software
  1. 1Runs onLinux, Mac, Windows
  2. 2CostsFree plan
  3. 3Self-employment supportNo
  4. 4Investment incomeYes
  5. 5Rental incomeYes
5 lines stated Written from the maker's own pages: github.com
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Overview

SuperTaxAgent is ranked #113 of 123 in personal tax software on Specifiction. It runs on Linux, macOS, Windows. There is a free plan.

SuperTaxAgent plans and pricing

All plans
Free Free Open-source; US federal returns; 2025 tax year; no state returns or e-filing; Form 1040, Schedule B, Schedule D, and Form 8949 github.com · 12 Oct 2026

Compared on personal tax software

Free plan
Yesgithub.com
Self-employment support
Nogithub.com
Investment income
Yesgithub.com
Rental income
Yesgithub.com
State filing
nonegithub.com

Facts

Purpose
SuperTaxAgent is an open-source AI-powered tool for preparing US federal tax returns inside Claude Code.github.com · 12 Oct 2026
Return output
It can fill an official IRS Form 1040 PDF that is ready to print and mail.github.com · 12 Oct 2026
Document import
It parses W-2, 1099-B, 1099-DIV, 1099-INT, 1099-DA, and 1099-MISC documents from PDFs or images and auto-detects the document type.github.com · 12 Oct 2026
Calculations
It calculates income, AGI, deductions, tax brackets, credits including CTC and EIC, and refund or amount owed, mapping results to Form 1040 lines.github.com · 12 Oct 2026
Tax topics
Its domain skills cover RSUs and ESPP, rental income, wash sales, and cryptocurrency topics including cost basis, staking, and DeFi.github.com · 12 Oct 2026
Comparison and contributions
Users can compare its return with a TurboTax PDF, classify discrepancies, generate skill fixes, and submit anonymized rule improvements as a GitHub pull request.github.com · 12 Oct 2026
Privacy
The project says tax profiles and calculations stay locally in a gitignored data directory and imported PDFs are never uploaded.github.com · 12 Oct 2026
Improvement data
The project says self-evolution pull requests contain only anonymized rule fixes without personally identifiable information and require explicit user review.github.com · 12 Oct 2026
Supported year
The README specifies the 2025 tax year for filing in 2026, with year-specific brackets, credits, and standard deduction amounts.github.com · 12 Oct 2026
Limits
The README lists no state returns, no e-filing, no AMT calculation, and no Schedule C support; it says Schedule C is coming soon.github.com · 12 Oct 2026
Intended users
The project describes itself as software for individuals preparing their own tax returns and says it is intended for self-preparation.github.com · 12 Oct 2026
Support
The maker lists an email address for collaboration, bug reports that users do not want to make public, and general contact.github.com · 12 Oct 2026
License
The project is licensed under Apache License 2.0 and permits free personal and commercial use, modification, and distribution with attribution requirements.github.com · 12 Oct 2026

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