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itr-agent: Instructions file for Claude Code

CLAUDE.md

itr-agent CLAUDE.md is an instructions file for Claude Code from Sagargupta16/itr-agent. It costs 3,116 tokens per session, scanned A, original, MIT.

Repository-specific instructions for working on itr-agent, a local program that helps process Indian income-tax data through the Model Context Protocol (MCP), a standard way for AI tools to use external services.

In plain words
What is it for?
Use them when installing dependencies, building, testing, debugging, or changing the itr-agent TypeScript project.
Why use it?
They give an AI coding agent the project’s technology choices, commands, file layout, and testing guidance so it can work consistently without rediscovering them.

Instructions file for Claude Code

Written for Claude Code: the file is CLAUDE.md. Also seen: mentions CLAUDE.md.

This is Sagargupta16/itr-agent's own configuration. It tells Claude Code how to work on itr-agent itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything itr-agent configures →

Needs its repository: it reads a path above its own folder, which exists only inside the repository. The line is - Root [`CLAUDE.md`](../../CLAUDE.md) -- voice, rules, routing map, references, skills, slash commands, conventions..

not rated 10repo +1 changed 10d ago A scan 3,116 tokens original MIT
View source ↗ Sagargupta16/itr-agent
Reuse

Borrowing it

Nothing to install: this file belongs to Sagargupta16/itr-agent. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/Sagargupta16/itr-agent/main/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/Sagargupta16/itr-agent

Made for: Claude Code.

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Per session 3,116 This file is loaded in full into every session.
When invoked 3,116 The same file — it is already loaded in full.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.03116 $0.03116
Opus 5.5 $0.01246 $0.01246
Sonnet 5.5 $0.00623 $0.00623
Haiku 4.5 $0.00312 $0.00312

Measured 10d ago against content hash 217122007d93, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

itr-agent CLAUDE.md scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 10d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

CLAUDE.md · 92 lines

How it starts

The opening of the file, as written. The whole thing — 92 lines — stays where its author put it; the contents beside it link to each section on GitHub.

CLAUDE.md

This file stacks on top of the workspace root at C:\Code\GitHub\:

  • Root CLAUDE.md -- voice, rules, routing map, references, skills, slash commands, conventions.
  • Root MEMORY.md -- live facts across repos.
  • Root STATUS.md -- live PR/CI/security dashboard.
  • .claude/resources/ -- deep reference for collaboration, workflow, git, OSS, debugging, voice.

Read those first. The guidance below only adds repo-specific context -- it does not override anything in the root.

Project

Local-first MCP server for Indian income tax (FY 2025-26 / AY 2026-27): deterministic tax engine + document parsers exposed as MCP tools over stdio. Public OSS, npm package itr-agent. Positioning: privacy-first -- everything runs on-device, unlike cloud finance MCPs (Fi/INDmoney).

Stack

  • Language: TypeScript 7 (strict, ESM, NodeNext)
  • Framework: @modelcontextprotocol/sdk 1.32 (stdio transport only), zod 4
  • Database: none -- rule packs are JSON files in data/
  • Package manager: pnpm
  • Deploy target: npm registry (npx -y itr-agent); .mcpb Claude Desktop bundle attached to each GitHub release (pnpm bundle)

Run

pnpm install
pnpm build
node dist/index.js        # stdio MCP server
pnpm inspect              # MCP inspector UI
pnpm bundle               # build/itr-agent-<version>.mcpb (Claude Desktop bundle)
node scripts/demo.mjs     # the README demo session against dist/

Test

pnpm test         # engine golden cases + in-memory MCP client round trips (151 tests)
pnpm lint         # biome
pnpm typecheck    # two configs: tsconfig.json (src) + tsconfig.test.json (src + tests)
pnpm validate     # docs/validation.md cases against dist/ (run pnpm build first); --write regenerates

pnpm typecheck runs twice on purpose: tsconfig.json carries the build's rootDir/outDir/declaration settings and excludes tests/, so without the second config the test suite is never typechecked and a stale call signature only shows up at runtime.

Read the full file on GitHub · 92 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 10d ago Changed · +84 tokens per session 217122007d93
  2. 11d ago Changed · +1 lines · +472 tokens per session 6a57f30bb92c
  3. 12d ago Changed · +7 lines · +392 tokens per session 01980ef92a59
  4. 1mo ago Changed · +5 lines · +438 tokens per session c89b6592f7f2
  5. 1mo ago Changed · +1 lines · +116 tokens per session 0b5971f2579a
  6. 2mo ago First seen · 78 lines · 1,614 tokens per session scan A a157530f3ef1

Subscribe to this mod's changes

itr-agent CLAUDE.md is an instructions file published in the GitHub repository Sagargupta16/itr-agent (10 stars, last pushed 6d ago), licensed MIT. It adds 3,116 tokens to every session, about $0.0125 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

claudeincome-taxindiaitrmcpmcp-server
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