GST / COMPLIANCE

GSTR-2A, 2B and 3B without the portal

13 tools to authenticate a GSTIN, fetch your auto-drafted inward supplies and monthly ITC statement, read the credit ledger, and reconcile claimable ITC against what you actually booked.

Get started free All connectors

tools

OTP

taxpayer auth

Multi-GSTIN

supported

Local

runs on your PC

What you can ask

"Pull my GSTR-2B for March and reconcile it against my purchase bills."

"What is my eligible ITC this month?"

"Show the GSTR-3B summary for the last quarter."

"Validate this GSTIN and tell me the legal name."

TOOLS / GST PORTAL

What it does

Registration

gst_add_gstingst_validate_gstin

Taxpayer session

gst_initiate_otpgst_authenticate_otpgst_session_statusgst_revoke_session

Returns

gst_fetch_gstr2agst_fetch_gstr2bgst_fetch_gstr3b

Input tax credit

gst_get_itc_ledgergst_itc_summary

Setup

gst_set_sandbox_keysgst_status

SETUP / GET RUNNING

Set it up in three steps

What you'll need

A GSP API key and secret, plus an OTP from the registered mobile each time a taxpayer session is opened. Both stay on your machine.

Pick GST Portal

Select it on the connectors page and build your installer.

Add your credentials locally

Enter your GSP key and secret during install, then register the GSTINs you file for.

Ask in plain English

Authenticate with the OTP and ask for 2B, 3B, or an ITC reconciliation against your books.

Privacy

GST Portal runs on your machine. Credentials live only in your local Claude Desktop config, raw data never reaches our servers, and Claude only ever sees a short, filtered summary. Read how that works.

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