Let Claude handle an ITR-1 filing

Claude Desktop compared salary records, managed a job switch, fixed portal checks, and finished the ITR-1 submission.

Done with Claude· Intermediate· Jan 2026

What they did
The user uploaded Form 16s and asked Claude Desktop to complete an ITR-1 on the income tax portal. It matched salary details with AIS entries, adjusted for a change of employer during the year, and kept going through session expiries. When the portal flagged a validation issue, the agent corrected it and carried the filing through to submission.
How it went
The ITR-1 went in without a CA or accountant involved. The user avoided roughly three hours of hands-on portal work.
Tips
Give the agent all source documents up front, especially if there was a job change or multiple income records. Have it pause for your review before any final submission.

Try it yourself with Claude

I want help filling out and filing [ITR form type] for [tax year] on [tax portal]. I’ll log in myself. Use [Form 16s, AIS, and any other income documents in this folder] to verify my salary and other figures, include [job changes, extra income, or other special cases], and complete the return. If the portal shows validation problems, resolve them. Stop before any final action and show me a complete review of the numbers and sections for approval, then wait for my explicit instruction before you submit or finalize anything.

Fill in the [brackets]. Agents can make mistakes, so review anything before it is sent, paid or deleted.

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