tacacs-ng-ui: Instructions file for Claude Code

CLAUDE.md

tacacs-ng-ui CLAUDE.md is an instructions file for Claude Code from thangphan205/tacacs-ng-ui. It costs 5,648 tokens per session, scanned A, original, MIT.

Project instructions for tacacs-ng-ui, a web application for managing TACACS+ network-login server settings. It includes separate backend and frontend guidance, where the frontend is the part users see and the backend handles server-side work.

In plain words
What is it for?
Use them when changing the backend or frontend, running the development servers, applying database setup, testing APIs, or running lint and formatting checks.
Why use it?
They make clear which commands must be run from each project area and which checks apply to Python or frontend code. This reduces errors when developing, testing, or preparing the application.

Instructions file for Claude Code

Written for Claude Code: the file is CLAUDE.md. Also seen: mentions CLAUDE.md; positional $N argument; mentions Claude Code.

This is thangphan205/tacacs-ng-ui's own configuration. It tells Claude Code how to work on tacacs-ng-ui 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 tacacs-ng-ui configures →

Reuse

Borrowing it

Nothing to install: this file belongs to thangphan205/tacacs-ng-ui. 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/thangphan205/tacacs-ng-ui/main/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/thangphan205/tacacs-ng-ui

Made for: Claude Code.

Wrote this? Show the measurements

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Per session 5,648 This file is loaded in full into every session.
When invoked 5,648 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 $0.05648 $0.05648
Opus 5.5 $0.02259 $0.02259
Sonnet 5.5 $0.01130 $0.01130
Haiku 4.5 $0.00565 $0.00565

Measured yesterday against content hash 7c2aeb099355, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

tacacs-ng-ui 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 yesterday.

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 · 291 lines

How it starts

The opening of the file, as written. The whole thing — 291 lines — stays where its author put it; the contents beside it link to each section on GitHub.

CLAUDE.md

This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.

Project Overview

tacacs-ng-ui is a full-stack web application providing a graphical interface for managing tac_plus-ng TACACS+ server configurations. It generates and validates TACACS+ config files, manages users/groups/policies, displays AAA statistics, and provides alerting, anomaly detection, and SIEM integration.

Commands

Backend (run from backend/)

uv sync                          # install/sync Python dependencies
fastapi dev app/main.py          # local dev server with hot reload
uv run pytest                    # run all tests
uv run pytest tests/api/routes/test_hosts.py  # run a single test file
uv run pytest -k "test_name"     # run a single test by name
uv run bash scripts/lint.sh      # ruff lint
uv run bash scripts/format.sh    # ruff format + fix
uv run bash scripts/prestart.sh  # run DB migrations + seed initial data

Frontend (run from frontend/)

npm run dev              # Vite dev server (port 5173)
npm run build            # TypeScript check + production build
npm run lint             # Biome format + lint (writes in place)
npm run generate-client  # regenerate TypeScript API client from OpenAPI schema

Docker Compose (run from root)

docker compose watch     # full dev stack with hot reload — preferred for dev
docker compose up -d     # start all services detached (no hot reload)
docker compose logs -f backend  # tail backend logs
docker compose exec backend bash  # shell into backend container

Hot reload: docker compose watch uses develop.watch in docker-compose.override.yml to sync ./backend → /app and ./frontend on every save. No rebuild needed for Python or TypeScript changes. Rebuild only triggers on pyproject.toml changes.

API Client Generation

After changing any backend route or model:

Read the full file on GitHub · 291 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. yesterday Changed · +10 lines · +394 tokens per session 7c2aeb099355
  2. 1mo ago Changed · +3 lines · +202 tokens per session 8971b2036d1f
  3. 2mo ago First seen · 278 lines · 5,052 tokens per session scan A fac2747f6b48

Subscribe to this mod's changes

tacacs-ng-ui CLAUDE.md is an instructions file published in the GitHub repository thangphan205/tacacs-ng-ui (27 stars, last pushed yesterday), licensed MIT. It adds 5,648 tokens to every session, about $0.0226 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 2026-08-30.

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