CLAUDE.md Pro Pack

⚡ CLAUDE.md Mega Pack — 20+ Ready-to-Use Configs for Claude Code Stop re-explaining your project to Claude every session. Drop in a file, and it just knows.You've felt the drift. Session one, Claude nails it. Session five, it's back to any types, silent scope creep, made-up assumptions, and "helpful" rewrites you never asked for.The fix isn't a longer prompt. It's a CLAUDE.md file that sits in your project root and does the reminding for you — automatically, every session, before you type a word.This pack gives you 21+ of them, already written, tested, and stacked correctly. Copy → paste → ship.✅ Why these actually work High-priority rules sit first — agents read top-down, so the habits that matter most go at the top of every file Every rule is verifiable, not vague — Claude can run pnpm test and confirm it. It can't verify "make sure tests pass" Each file ends with a "Working if" outcome, so you know at a glance whether it's doing its job Validated against current best practices, not just vibes 📦 What's inside — two full systems in one packSystem 1: Behavior + Domain (11 files) 01 · General — every project, the base layer you stack everything on 02 · Web Dev — websites & web apps 03 · AI App — LLM apps, RAG, chatbots, agents 04 · Data Science — analysis, notebooks, ML models 05 · Automation — scripts, scrapers, scheduled jobs 06 · Startup — early MVPs, ship fast without fatal debt 07 · SaaS — multi-tenant products with billing & accounts 08 · API — REST / GraphQL services 09 · Research — experiments, papers, reproducible analysis 10 · Documentation — READMEs, guides, technical docs 11 · Business — non-code work: analysis, drafts, decisions System 2: Language & Framework Deep-Dives (10 files) Python / DS / ML — data leakage, reproducibility, vectorization, null handling React + TypeScript — no any, hook patterns, accessibility Node.js REST/API — input validation, error shapes, async safety Go — error wrapping, context propagation, race detection Rust — no unwrap() in prod, unsafe discipline, borrow hygiene Next.js App Router — server vs client boundaries, env var safety React Native / Expo — offline states, navigation safety DevOps / Terraform / K8s — mutation safety, least privilege Data Engineering / ETL — idempotency, schema drift, quality checks Legacy / Brownfield — minimal footprint, characterization tests Plus: a fill-in-the-blank template for any stack not covered, and a stacking cheatsheet for combining files on hybrid projects.🚀 Quickstart (about 60 seconds) Find your project type — always start with 01 · General Create a file named CLAUDE.md in your project root, paste the General block at the top Paste your domain/stack block underneath, swap the placeholders for real commands, save Claude Code loads CLAUDE.md automatically at the start of every session. You're done. Two files stacked is the sweet spot — three is the max before it gets noisy.Personal and commercial use permitted. Not permitted: reselling or repackaging as your own product.Built by developers who got tired of Claude making the same mistakes twice.

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