Design-Learn: Instructions file for Claude Code

CLAUDE.md

Design-Learn CLAUDE.md is an instructions file for Claude Code from GalaxyXieyu/Design-Learn. It costs 1,900 tokens per session, scanned A, original, MIT.

Instructions for Design-Learn, a system that captures and analyzes web designs through browser, editor, and server extensions. It includes setup steps for the server and VS Code extension.

In plain words
What is it for?
It helps with the Chrome extension that captures pages, the VS Code extension, the Node.js server, REST API, MCP connection, designs, and tasks.
Why use it?
It explains how the system's parts communicate, making it easier to run the project and understand where a change belongs.

Instructions file for Claude Code

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

This is GalaxyXieyu/Design-Learn's own configuration. It tells Claude Code how to work on Design-Learn 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 Design-Learn configures →

Needs its repository: it reads a path above its own folder, which exists only inside the repository. The line is npx vsce package --out ../dist/design-learn-1.0.2.vsix.

Reuse

Borrowing it

Nothing to install: this file belongs to GalaxyXieyu/Design-Learn. 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/GalaxyXieyu/Design-Learn/main/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/GalaxyXieyu/Design-Learn

Made for: Claude Code.

Wrote this? Show the measurements

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Per session 1,900 This file is loaded in full into every session.
When invoked 1,900 The same file — it is already loaded in full.
Security scan A 1 finding. 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 $0.01900 $0.01900
Opus 5.5 $0.00760 $0.00760
Sonnet 5.5 $0.00380 $0.00380
Haiku 4.5 $0.00190 $0.00190

Measured 2mo ago against content hash 630a65b98204, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

Design-Learn CLAUDE.md scanned grade A with 1 finding 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 2mo 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

curl http://localhost:3100/api/health # 健康检查
CLAUDE.md · 282 lines

How it starts

The opening of the file, as written. The whole thing — 282 lines — stays where its author put it; the contents beside it link to each section on GitHub.

CLAUDE.md

Claude Code guidance for Design-Learn repository

TODO

  • 集成 ui-uxpro - 将 ui-uxpro 项目整合到 Design-Learn 系统中
    • 评估 ui-uxpro 的核心功能和 API
    • 设计集成架构(作为独立模块 or 合并到现有组件)
    • 实现数据格式兼容
    • 更新 MCP tools 支持 ui-uxpro 功能

Quick Start

# Server
cd server && npm install
node src/server.js                    # HTTP server (port 3100)
node src/stdio.js                     # MCP stdio mode

# VSCode Extension
cd vscode-extension && npm install
npm run compile                       # Build
# Press F5 in VSCode for dev mode

# Chrome Extension
# Load unpacked from chrome://extensions/

Project Overview

Design-Learn 是一个 Web 设计提取和分析系统,包含三个主要组件:

组件 描述 技术栈
Chrome Extension 浏览器插件,提取页面快照 Manifest V3, 零依赖
VSCode Extension 管理 UI 和服务器启动器 TypeScript, Webview
Design-Learn Server 后端服务,REST API + MCP Node.js, SQLite

Architecture

System Diagram

Chrome Extension ──┐
                   ├──> HTTP API (port 3100)
VSCode Extension ──┤    - /api/health
                   │    - /api/import/*
Claude Code ───────┘    - /mcp (SSE)
                        - /api/designs
                        - /api/tasks

                   Design-Learn Server
                   (SQLite + File Storage)

Data Flow

  1. Browser Extraction: Chrome extension → /api/import/browser
  2. Server Processing: Pipeline → SQLite + file system
  3. MCP Access: Claude Code → MCP tools
  4. VSCode Management: Server lifecycle + UI

Storage

类型 路径 用途
SQLite data/database.sqlite 元数据、索引
File System data/designs/ JSON、快照、组件代码

Development

Server

cd server
npm install
npm rebuild better-sqlite3           # 如需重建原生模块

# 启动方式
node src/server.js                    # HTTP server
PORT=3200 node src/server.js          # 自定义端口
node src/cli.js                       # CLI 模式
node src/stdio.js                     # MCP stdio 模式

Read the full file on GitHub · 282 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. 2mo ago First seen · 282 lines · 1,900 tokens per session scan A 630a65b98204

Subscribe to this mod's changes

Design-Learn CLAUDE.md is an instructions file published in the GitHub repository GalaxyXieyu/Design-Learn (172 stars, last pushed 6mo ago), licensed MIT. It adds 1,900 tokens to every session, about $0.0076 per session on Opus 5.5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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