Claude Code
Codex
Cursor
GitHub Copilot
Gemini CLIAbout this skill
> Use this skill whenever asked about US federal quarterly estimated income tax payments for sole proprietors and single-member LLCs. Trigger on phrases like \"1040-ES\", \"estimated tax\", \"quarterly tax\", \"safe harbor\", \"underpayment penalty\", \"Form 2210\", \"annualized income\", or any question about federal estimated tax requirements. Covers the $1,000 threshold, 100%/110% prior-year safe harbor, 90% current-year method, quarterly due dates, annualized income instalment method, Form 2210 penalty computation, and withholding strategies. MUST be loaded alongside us-tax-workflow-base v0.1+. Federal only.
Quick start
- Copy the install prompt. Use the green button above this README.
- Send it to your agent. Paste it into your coding agent’s chat and send.
- Review the setup. Your agent checks the skill’s instructions, requirements, and installation scope.
Review, license & listing details
This is an imported listing. We haven’t certified its safety, license, or compatibility. Skills may include executable scripts.
Only SKILL.md was scanned. Supporting files and scripts were not checked. No safety grade has been assigned.
0 potential findings · Scanned 11/4/2026 · Scanner 0.2.1
Content SHA-256: 755c3906d7fe97427665b38115bdef732a8f7c1e25efe404a8c74b8f2fe669c9
About this listing
- Category
- General
- Reported license
- AGPL-3.0
- Listing language (estimated)
- English
- Review status
- Not individually reviewed
- Agent compatibility
- Atlas installation supports Claude Code, Codex, and Cursor. Skill-specific dependencies and features are checked during setup.