compute_tax
Full FY 2025-26 (AY 2026-27) computation: new/old regime slabs (incl. the senior and super-senior slab sets), standard deduction, 87A rebate (new regime: Rs 60,000 up to Rs 12L with marginal relief, never offsetting 111A/112A tax; old regime: Rs 12,500 on total income up to Rs 5L, no marginal relief
How to use it
Project documentation lists compute_tax for the Itr Agent MCP server. Add the server to your MCP client (Claude Desktop, Cursor, Windsurf and others), then check which tools your installed version makes available. Tool availability can depend on configuration and credentials. A server handshake does not verify this tool’s behavior. See the full listing for setup details.
Install Itr Agent
claude mcp add itr-agent -- npx -y itr-agentOther tools in Itr Agent (11)
Old vs new side by side, recommended regime, savings amount
HRA exemption per Rule 2A, period-wise (least of three limbs; FY 2025-26 metros: Delhi/Mumbai/Kolkata/Chennai) + the 80GG alternative, with its Rs 5,000-per-month cap and the bars under the new regime and alongside HRA
Sections 234A/234B/234C interest with the statutory 12%/36% safe harbors, the s.234B(2) self-assessment payment ladder, and Rule 119A rounding (principal floored to Rs 100, part month = full month). Reports which sections it skipped and why
Ordered, form-specific walkthrough: documents, reconciliation, computation, portal steps schedule by schedule, e-verification
Old-regime deduction checklist with statutory caps (80C, 80CCD(1B), 80D tiers, HRA metros)
Supported fiscal years + AY 2026-27 filing deadlines
Decrypt + parse the AIS JSON export on-device (AES-256-CBC/PBKDF2 with the password derived from PAN + DOB); normalized rows with label-matched amounts/dates/codes
Parse the caret-delimited Form 26AS Text export from TRACES into structured TDS entries
ITR-1/2/3/4 selection with rule-by-rule reasoning and loss-continuity awareness: brought-forward business losses force ITR-3 even with zero current-year business income (Schedule CFL)
Form 16 vs AIS vs 26AS mismatch report -- the checks that pre-empt 143(1)(a) intimations and 139(9) defect notices (TDS over-claim, missing employer, undeclared AIS interest/dividend)
Jun/Sep/Dec/Mar installment plan (15/45/75/100%) with shortfall tracking