I used to lose a whole Saturday to tax prep

This year a 3-file Claude workflow did it in 30 minutes

April 30, 2026

The first time I watched tax prep stop feeling like a wall

Tax season usually makes me want to hide under a blanket. Receipts everywhere. Last year's refund number lost in an email from March. That special panic of opening TurboTax and realizing I have no idea where to start.

Then I scrolled past a LinkedIn breakdown from an AI professional and stopped cold. Three files. Each one with a real reason behind it. No fluff. A workflow you could copy in an afternoon and actually finish before April.

What hooked me is how cleanly the files build on each other. File 1 is your identity. File 2 is your plan. File 3 is your output. Most people mash all three together inside one chat and wonder why their AI tax help feels confused. This author splits them on purpose, and the whole thing gets calm.

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File 1: build your tax profile (the identity layer)

This is your tax life in one document. Claude needs context to be useful, and a profile file gives it everything in one shot so you never have to re-explain your situation in every chat.

  • Open a Google Doc and name it TAX-PROFILE. One source of truth beats scattered notes in five places.

  • Add your filing status, state, and dependents. These three facts change almost every calculation downstream.

  • List your income sources. W-2, freelance, dividends, anything that pays you. Claude can't suggest deductions for income it doesn't know about.

  • List the deductions you've claimed in past years. Patterns matter. Last year's deductions are usually this year's starting point.

  • Add last year's refund or amount owed. It anchors expectations for this year.

  • Save it as a .md file. Markdown stays clean when Claude reads it. No weird formatting noise.

Most people start tax prep by digging through documents. The author flips it. Start with who you are, then go find the paperwork that fits. That tiny reorder is the difference between a 4-hour scramble and a focused session.

File 2: turn the profile into a checklist (the planning layer)

Now you turn that profile into a custom to-do list. This is where Projects in Claude finally earn their keep.

  • Open Claude, go to Projects, create one called 2026 Taxes. Projects keep memory across chats so you don't restart from zero every time.

  • Upload your tax-profile.md into the Project. It becomes shared context for every conversation inside.

  • Run this prompt: "I'm [filing status] in [state] with [income types]. Build me a checklist." The brackets force you to fill in your specifics, which makes the output specific too.

  • Drop every document the checklist names into the Project. W-2s, 1099s, mortgage interest forms, charity receipts. All of it.

  • Every new chat inside that Project remembers your profile and your documents. No copy-paste tax sleeves needed.

Most AI workflows fail because people start over with each new chat and the context evaporates. Projects solves that. The context compounds instead.

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File 3: connect the tools and export a TurboTax-ready table

This is where the workflow stops being a chat and starts being a system. The author connects Claude to your tools so it can pull and push files without you babysitting downloads.

  • Go to Settings, then Connectors. Connect Google Drive and Gmail. This is the bridge between Claude and your real-world tax mess.

  • Stop the download-and-re-upload dance. Connectors mean Claude reads your PDFs in place.

  • Open Cowork and point it at your tax folder. Cowork is where Claude actually creates files instead of just describing them.

  • Run this prompt: "Create a TurboTax-ready import table with all my income, deductions, and credits. Include the IRS form and line number for each item."

  • Claude exports a real .xlsx and .pdf into your folder. Both formats, because TurboTax sometimes wants one and your records always want the other.

  • Paste the table into TurboTax. Done.

The form-and-line-number line is the unlock. That single phrase turns a generic table into something TurboTax can actually accept. Without it you get a list. With it you get a usable import.

Why splitting the three jobs is the whole game

The genius of this stack is how cleanly it separates the work that usually gets mashed together.

File 1 is identity. Slow, careful, written once. File 2 is planning. Specific, prompt-driven, run once per year. File 3 is execution. Fast, reusable, the part that actually feeds TurboTax.

When those three jobs are forced into one chat, every step contaminates the next. You ask about deductions, the model hallucinates because it doesn't know your filing status. You ask for a checklist, it gives you a generic one because there's no profile. You ask for an export, it returns a paragraph because there's no table format locked in.

Split them and each step gets boring and finishable in one sitting. Boring is what you want during tax season.

Three small upgrades I'd make

A few additions from running this on myself.

  1. Do File 1 in January, even if you're nowhere near filing. The profile is reusable every year, you only update it.

  2. Get specific in the checklist prompt. Vague inputs make vague checklists. The brackets are there on purpose.

  3. Trust the form-and-line-number detail. That single sentence in the export prompt is the whole reason this workflow ends in a real file instead of a wall of text.

My honest take

Tax prep stops being a wall when you have a system. The mind behind this stack turned a four-hour panic session into something closer to a 30-minute review, and the pieces transfer cleanly to next year. Profile updates. Checklist regenerates. Export rerun.

Pick the tool. Build File 1 this week. Future-you will thank current-you somewhere around April 14th 2027.

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