knowtis-app: Instructions file for Claude Code

CLAUDE.md

knowtis-app CLAUDE.md is an instructions file for Claude Code from jovandyaz/knowtis-app. It costs 2,694 tokens per session, scanned A, original, MIT.

Projektregeln für Knowtis, eine gemeinsam bearbeitbare Notizplattform mit React-Oberfläche und NestJS-Server. Das Projekt ist ein Monorepo, also ein einzelnes Repository mit mehreren zusammengehörigen Anwendungen und Paketen.

In plain words
What is it for?
Zum Arbeiten an Frontend, Backend, Datenbank, Echtzeitbearbeitung und Editor. Die Anleitung legt unter anderem `pnpm`, Importregeln und den Umgang mit Änderungen und Kompatibilität fest.
Why use it?
Sie geben einem Coding-Agenten den nötigen Überblick über Aufbau, Befehle und verbindliche Regeln. Dadurch soll er Änderungen passend zur vorhandenen Architektur umsetzen.

Instructions file for Claude Code

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

This is jovandyaz/knowtis-app's own configuration. It tells Claude Code how to work on knowtis-app 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 knowtis-app configures →

Reuse

Borrowing it

Nothing to install: this file belongs to jovandyaz/knowtis-app. 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/jovandyaz/knowtis-app/main/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/jovandyaz/knowtis-app

Made for: Claude Code.

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Per session 2,694 This file is loaded in full into every session.
When invoked 2,694 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 $0.02694 $0.02694
Opus 5.5 $0.01078 $0.01078
Sonnet 5.5 $0.00539 $0.00539
Haiku 4.5 $0.00269 $0.00269

Measured 25d ago against content hash 0f08bfb6b1a1, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

knowtis-app 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 25d 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 · 172 lines

How it starts

The opening of the file, as written. The whole thing — 172 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

Knowtis is a real-time collaborative notes platform built as an Nx monorepo with React frontend and NestJS backend. Key technologies: React 19, NestJS 11, PostgreSQL 16, Drizzle ORM, Yjs (CRDT), Socket.io, TanStack Router/Query, Zustand, Tiptap editor.

Important Rules

  • Always use pnpm instead of npm or yarn for package management
  • No backwards-compatibility hacks — no re-exports from barrel files, no legacy shims, no "old key" comments. If something is renamed or moved, update all consumers. Clean breaks over compat layers.
  • Barrels and re-exports — a package's root index.ts is its public API and the only barrel that belongs (Nx enforce-module-boundaries limits consumers to what that file exports): import @knowtis/* and @jovandyaz/* symbols from the package alias, never by deep path. Inside an app or package, import from the file that defines the symbol; don't add index.ts barrels, and if a change would extend one, replace it instead — point its consumers at the source files and delete it (NestJS: barrels breed circular dependencies between modules and providers; Vite: they defeat tree-shaking and slow the dev server). Never re-export a symbol that another package or folder owns.
  • Always consult official docs — before implementing or configuring anything involving external tools, libraries, or services (Vercel, Railway, Nx, etc.), AND before debugging library-specific issues (auth flows, init APIs, error codes), fetch the latest official documentation using Context7 MCP, web search, or CLI help. Never assume behavior from memory alone.
  • Minimal comments — default to no inline comments. Only write JSDoc on exported APIs, TODO/FIXME markers, or comments that explain a non-obvious WHY (hidden constraint, subtle invariant, framework quirk workaround). Never paraphrase code, never reference the current task/PR/fix in comments.

Read the full file on GitHub · 172 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. 25d ago Changed · +9 tokens per session 0f08bfb6b1a1
  2. 1mo ago Changed · -49 lines · -1,182 tokens per session fb9d618f8876
  3. 1mo ago Changed · +2 lines · +118 tokens per session 5f686b25317c
  4. 1mo ago Changed · +7 lines · +623 tokens per session 640872fb0f66
  5. 1mo ago First seen · 212 lines · 3,126 tokens per session scan A 427ef13f9d92

Subscribe to this mod's changes

knowtis-app CLAUDE.md is an instructions file published in the GitHub repository jovandyaz/knowtis-app (4 stars, last pushed yesterday), licensed MIT. It adds 2,694 tokens to every session, about $0.0108 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.

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