affaan-m/everything-claude-code
Complete Claude Code configuration collection - agents, skills, hooks, commands, rules, MCPs. Battle-tested configs from...
The model isn't your bottleneck. Your harness is.
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Complete Claude Code configuration collection - agents, skills, hooks, commands, rules, MCPs. Battle-tested configs from...
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Claude Code hit 20k stars after someone open-sourced it. Here's what you actually get.
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Everyone's arguing about GPT-4o vs Claude 3.7 vs Gemini. Meanwhile, the people actually shipping things are spending their energy somewhere else: the harness.
The harness is everything that surrounds the model — how it gets context, what it's allowed to do, what it remembers, and what shortcuts it can run. A good harness turns Claude Code from "smart autocomplete" into something closer to a junior CTO who reads the room.
Everything Claude Code hit 94K stars because it's the most comprehensive reference for building that harness. Here's what actually matters from it.
CLAUDE.md is the file Claude reads at the start of every session. It's not magic — it's just a markdown file in your project root (or home directory). But it's the single highest-leverage thing you can configure.
What belongs in it:
The difference between a vague CLAUDE.md and a specific one is the difference between a consultant who "gets it" and one you have to babysit.
Skills are reusable workflows you invoke with /skill-name. Think of them as macros — but smarter, because Claude can interpret them in context.
A skill is just a markdown file describing what to do. The real unlock is building skills for things you ask Claude to do more than twice:
/commit — staged diff → conventional commit message → push/review-pr — pull PR, check for security issues, flag logic bugs/research [topic] — spawn a sub-agent, hit multiple sources, save a reportThe everything-claude-code repo has a solid catalog of community skills to steal from. Don't rebuild what's already there.
The one trap: skills that are too broad. A skill called /fix that does "whatever seems broken" is useless. Skills should be specific enough that Claude knows exactly what done looks like.
By default, Claude Code has no memory. Every session starts blank. That's fine for one-off tasks. For ongoing projects it's a tax — you re-explain context constantly.
Two layers worth setting up:
Auto-memory (file-based). Point Claude at a memory/ directory and give it instructions to write to it. Key facts about you, your preferences, past decisions, and feedback live there. Loads into every session automatically via CLAUDE.md.
Session snapshots. At the end of a working session, have Claude write a brief to a sessions/ file — what was done, what's pending, what decisions were made. Next session, it reads that file before starting. This is basically a handoff note to yourself-via-Claude.
The pattern that works: memory for who you are and how you work, sessions for where we left off. Don't put code patterns or architecture in memory — read the codebase instead.
This is the part most people skip until something goes wrong.
Claude Code can read and write files, run shell commands, and hit APIs. With --dangerously-skip-permissions, it'll do all of that without asking. That's powerful. It's also how you accidentally expose a private key in a commit message.
Minimum security layer:
Deny-list sensitive files in settings.json. Wallet keypairs, API config files, anything with "private" or "secret" in the name. Tool-level blocks — not just instructions Claude can forget.
Never let Claude log secrets. Even if it reads a .env file for a legitimate reason, it should never echo values into terminal output, commit messages, or responses. Put this in your CLAUDE.md explicitly.
Scope your permissions. If a project only needs file reads and npm commands, don't grant shell execution. Principle of least privilege applies here the same as anywhere else.
The everything-claude-code reference covers the full permissions model in detail — worth reading before you give Claude Code access to anything that touches production.
The highest-ROI habit I've seen in good Claude Code setups: search before you build.
Before starting any non-trivial task, Claude should check: did we already decide this? Did we try this and fail? Is there existing context that changes the approach?
This means having a searchable knowledge base — could be a local folder with markdown files and a CLI search tool, could be a vector store. The specific tool doesn't matter. What matters is that Claude has a habit of checking it first.
The everything-claude-code community has prompts and patterns for this. The short version: add a "mandatory search triggers" section to your CLAUDE.md that tells Claude when it must search before proceeding.
Honest take: the initial harness setup takes a day. A real day — not "30 minutes" like every YouTube thumbnail promises.
But the payoff is compounding. Every skill you build is a task you never explain again. Every memory entry is context you never re-type. Every deny rule is a security incident that doesn't happen.
If you're using Claude Code for more than a few hours a week, the harness pays back within a week. If you're using it daily to run a product, not having one is actively costing you money.
The everything-claude-code resource is the fastest way to see what's possible without building from scratch.
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