Claude Code Reference

v2.1.114 ยท Commands, shortcuts, hooks, Python/AWS tips.

What's New

Everything recent across Claude Code, Claude models, new skills and agents.

CLAUDE CODE
Claude Code v2.1.114New

New version 2.1.114 published on npm.

v2.1.114
5h ago
SKILL
fireworks-tech-graphNew

Claude Code skill for generating production-quality SVG+PNG technical diagrams. Supports 8 diagram types, 5 visual styles, and deep AI/Agent domain knowledge.

โ˜… 3.6k
7d ago
SKILL
cavemanNew

๐Ÿชจ why use many token when few token do trick โ€” Claude Code skill that cuts 65% of tokens by talking like caveman

โ˜… 37.0k
13d ago
MODEL
Claude Opus 4.7New

Most capable generally available model. Complex multi-step coding, long agentic workflows, 1M-token codebase reads.

Anthropic
17d ago
AGENT
claude-code-agents-uiNew

An intuitive interface to create, orchestrate, and monitor Claude-based code agents for automated development workflows.

โ˜… 299
23d ago
SKILL
skillsNew

Claude Code skills based on The Minimalist Entrepreneur by Sahil Lavingia

โ˜… 8.0k
25d ago
SKILL
codebase-to-courseNew

A Claude Code skill that turns any codebase into a beautiful, interactive single-page HTML course for non-technical vibe coders.

โ˜… 3.9k
26d ago
AGENT
agent-flowNew

Real-time visualization of Claude Code agent orchestration โ€” see your agents think, branch, and coordinate as they work.

โ˜… 680
27d ago
AGENT
awesome-codex-subagents

A collection of 130+ specialized Codex subagents covering a wide range of development use cases.

โ˜… 4.0k
1mo ago
SKILL
Understand-Anything

Graphs that teach > graphs that impress. Turn any code, or knowledge base (Karpathy LLM wiki), into an interactive knowledge graph you can explore, search, and ask questions about. Works with Claude Code, Codex, Cursor, Copilot, Gemini CLI, and more.

โ˜… 8.5k
1mo ago
SKILL
autoresearch

Claude Autoresearch Skill โ€” Autonomous goal-directed iteration for Claude Code. Inspired by Karpathy's autoresearch. Modify โ†’ Verify โ†’ Keep/Discard โ†’ Repeat forever.

โ˜… 3.8k
1mo ago
AGENT
ai-website-cloner-template

Clone any website with one command using AI coding agents

โ˜… 11.8k
1mo ago
SKILL
prompt-master

A Claude skill that writes the accurate prompts for any AI tool. Zero tokens or credits wasted. Full context and memory retention

โ˜… 5.3k
1mo ago
SKILL
Auto-claude-code-research-in-sleep

ARIS โš”๏ธ (Auto-Research-In-Sleep) โ€” Lightweight Markdown-only skills for autonomous ML research: cross-model review loops, idea discovery, and experiment automation. No framework, no lock-in โ€” works with Claude Code, Codex, OpenClaw, or any LLM agent.

โ˜… 6.9k
1mo ago
AGENT
clawport-ui

Open-source AI agent command center for Claude Code agent teams. Built on OpenClaw.

โ˜… 842
1mo ago
AGENT
Agent-Reach

Give your AI agent eyes to see the entire internet. Read & search Twitter, Reddit, YouTube, GitHub, Bilibili, XiaoHongShu โ€” one CLI, zero API fees.

โ˜… 17.7k
1mo ago
AGENT
claude-forge

Supercharge Claude Code with 11 AI agents, 36 commands & 15 skills โ€” the claude-code plugin framework inspired by oh-my-zsh. 6-layer security hooks included. 5-min install.

โ˜… 658
1mo ago
AGENT
pi-vs-claude-code

Comparison between open source PI agent and closed source Claude Code agent

โ˜… 783
1mo ago

Quick Start

Start a session

claude

Opens interactive mode in your project directory.

One-shot question

claude -p "how does the auth module work?"

Ask a question, get an answer, exit.

Continue last session

claude -c

Picks up exactly where you left off.

Parallel worktree

claude -w feature-auth

Work on a feature branch without leaving your current work.

Plan mode (safe)

claude --permission-mode plan

Claude analyzes and plans but does not edit until you approve.

Pipe content

git diff main | claude -p "review this"

Feed diffs, logs, or files directly into Claude.

Slash Commands

/help
Show help menu
/config
Open settings interface
/model
Switch between models (Opus, Sonnet, Haiku)
/effort
Set effort level (low, medium, high, max)
/clear
Clear conversation and start fresh
/compact
Manually compact context window
/resume
Resume previous sessions (open picker)
/rename
Rename current session
/plan
View current plan (in plan mode)
/usage
View token usage and costs
/version
Show Claude Code version
/ide
Connect to VS Code or JetBrains IDE
/thinking-toggle
Toggle extended thinking on/off
/agents
View and create custom subagents
/skills
Browse available skills
/plugins
Browse and manage plugins
/mcp
Add and configure MCP servers
/hooks
Browse configured hooks
/permissions
View and manage tool permissions
/memory
View project memory (CLAUDE.md)
/debug
Enable debug logging for troubleshooting
/simplify
Review code for reuse, quality, and fix issues
/batch
Plan and execute large-scale changes across 5-30 isolated worktree agents
/loop
Run a prompt or command on a recurring interval
/schedule
Create scheduled remote agents on cron schedule
/claude-api
Build, debug, and optimize Claude API / Anthropic SDK apps
/find-docs
Retrieve up-to-date docs for any library (via Context7)
/init
Initialize CLAUDE.md for your project
/review
Review a pull request
/security-review
Perform security review of pending changes
/insights
Generate report analyzing Claude Code sessions
/install-github-app
Install Claude GitHub App for CI/CD
/powerup
Interactive lessons with animated demos
/remote-control
Start Remote Control session

Keyboard Shortcuts

Global

Ctrl+C
Cancel current operation
Ctrl+D
Exit Claude Code
Ctrl+T
Toggle task list visibility
Ctrl+O
Toggle verbose transcript (shows thinking)

Chat Input

Enter
Submit message
Shift+Enter
New line without submitting
Ctrl+L
Clear prompt input
Ctrl+S
Stash current prompt
Ctrl+G
Open in external editor
Ctrl+V
Paste image
Ctrl+_ or Ctrl+Shift+-
Undo last action
Shift+Tab
Cycle permission modes
Cmd+P / Meta+P
Open model picker
Meta+O
Toggle fast mode
Option+T / Alt+T
Toggle extended thinking
Ctrl+R
Open history search
Up/Down Arrow
Navigate command history

VS Code

Cmd+Esc / Ctrl+Esc
Toggle focus between editor and Claude
Cmd+Shift+Esc / Ctrl+Shift+Esc
Open new conversation tab
Option+K / Alt+K
Insert @-mention reference with line numbers
Cmd+N / Ctrl+N
Start new conversation

CLI Flags & Options

claude
Start interactive sessionclaude
claude "prompt"
Start with initial promptclaude "fix the auth bug"
claude -p
Non-interactive print modeclaude -p "analyze this code"
claude -c
Continue most recent sessionclaude -c
claude -r "name"
Resume named sessionclaude -r "auth-refactor"
claude --resume
Open session pickerclaude --resume
claude -w
Use git worktree (parallel work)claude -w feature-auth
--model
Choose modelclaude --model claude-opus-4-6
--effort
Set thinking effortclaude --effort high
--permission-mode
Set permission modeclaude --permission-mode plan
--allowedTools
Pre-approve tools--allowedTools "Read,Edit,Bash"
--max-turns
Limit agentic turnsclaude -p --max-turns 5
--max-budget-usd
Cost limitclaude -p --max-budget-usd 5.00
--output-format json
JSON output (print mode)claude -p --output-format json "query"
--bare
Minimal mode (no hooks, skills)claude --bare
--debug
Enable debug loggingclaude --debug
pipe input
Pipe content to Claudecat file.py | claude -p "review this"

Environment Variables

ANTHROPIC_API_KEY
API key for direct Anthropic access
CLAUDE_CODE_USE_BEDROCK
Set to 1 to use AWS Bedrock
CLAUDE_CODE_USE_VERTEX
Set to 1 to use Google Vertex AI
CLAUDE_CODE_EFFORT_LEVEL
Default effort level (low/medium/high/max)
MAX_THINKING_TOKENS
Max tokens for extended thinking
CLAUDE_CODE_SIMPLE
Set to 1 for bare mode (no hooks/skills)

Available Tools

Read

Read files from disk

Write

Create new files

Edit

Edit existing files (sends only the diff)

Bash

Run shell commands

Glob

Find files by pattern (faster than find)

Grep

Search file contents (faster than grep/rg)

WebSearch

Search the web

WebFetch

Fetch and parse web pages

Monitor

Watch background scripts

Agent

Invoke subagents for parallel work

TodoWrite

Create and manage task lists

AskUserQuestion

Ask clarifying questions

Configuration Files

~/.claude/settings.json
User global settings (model, permissions, hooks)
.claude/settings.json
Project settings (committed, shared with team)
.claude/settings.local.json
Project local settings (not committed)
CLAUDE.md
Project memory โ€” architecture, conventions, key files
.claude/CLAUDE.md
Alternative location for project memory
~/.claude/CLAUDE.md
Global memory (applies to all projects)
~/.claude/keybindings.json
Custom keyboard shortcuts
.claude/mcp.json
MCP server configuration
.claude/skills/<name>/SKILL.md
Custom skills
.claude/agents/<name>/
Custom subagents
.worktreeinclude
Files to copy into new worktrees (.env, secrets)

Hooks System

Hooks run shell commands in response to Claude events. Configure in settings.json. Exit 0 = allow, Exit 2 = block action.

SessionStart
Session begins. Cannot block.
UserPromptSubmit
You submit a prompt. Cannot block.
PreToolUse
Before tool executes. CAN block (exit 2).Use matcher: "Bash" to intercept shell commands
PostToolUse
After tool succeeds. Cannot block.Great for auto-formatting after Edit/Write
PostToolUseFailure
After tool fails. Cannot block.
Stop
Claude finishes responding. Cannot block.
Notification
Claude needs your attention. Cannot block.
SubagentStart
Subagent lifecycle start.
SubagentStop
Subagent lifecycle end.
FileChanged
Watched files change.

Example: Auto-format Python on every edit

{
  "hooks": {
    "PostToolUse": [
      {
        "matcher": "Edit|Write",
        "hooks": [
          {
            "type": "command",
            "command": "ruff format $(jq -r '.tool_input.file_path') 2>/dev/null; ruff check --fix $(jq -r '.tool_input.file_path') 2>/dev/null; true"
          }
        ]
      }
    ],
    "Notification": [
      {
        "matcher": "",
        "hooks": [
          {
            "type": "command",
            "command": "notify-send 'Claude Code' 'Needs your attention'"
          }
        ]
      }
    ]
  }
}

Extensions

Reusable workflows in .claude/skills/<name>/SKILL.md. Claude follows them automatically.

Skills 0/50Agents 0/50

No skills installed. Pick from the recommendations below to get started.

Recommended ยท 50

Auto-discovered ยท daily

Frontend ยท 9

oh-my-openagentโ˜… 52.4k

omo; the best agent harness - previously oh-my-opencode

code-yeongyu/oh-my-openagent

Install โ†“git clone https://github.com/code-yeongyu/oh-my-openagent.git /tmp/oh-my-openagent && cp -r /tmp/oh-my-openagent/.claude/skills/* .claude/skills/
rufloโ˜… 32.2k

๐ŸŒŠ The leading agent orchestration platform for Claude. Deploy intelligent multi-agent swarms, coordinate autonomous workflows, and build conversational AI systems. Features enterprise-grade architecture, distributed swarm intelligence, RAG integration, and native Claude Code / Codex Integration

ruvnet/ruflo

Install โ†“git clone https://github.com/ruvnet/ruflo.git /tmp/ruflo && cp -r /tmp/ruflo/.claude/skills/* .claude/skills/
planning-with-filesโ˜… 18.9k

Claude Code skill implementing Manus-style persistent markdown planning โ€” the workflow pattern behind the $2B acquisition.

OthmanAdi/planning-with-files

Install โ†“git clone https://github.com/OthmanAdi/planning-with-files.git /tmp/planning-with-files && cp -r /tmp/planning-with-files/.claude/skills/* .claude/skills/
notebooklm-pyโ˜… 11.0k

Unofficial Python API and agentic skill for Google NotebookLM. Full programmatic access to NotebookLM's featuresโ€”including capabilities the web UI doesn't exposeโ€”via Python, CLI, and AI agents like Claude Code, Codex, and OpenClaw.

teng-lin/notebooklm-py

Install โ†“git clone https://github.com/teng-lin/notebooklm-py.git /tmp/notebooklm-py && cp -r /tmp/notebooklm-py/.claude/skills/* .claude/skills/
claude-code-guideโ˜… 3.9k

Claude Code Guide - Setup, Commands, workflows, agents, skills & tips-n-tricks go from beginner to power user!

zebbern/claude-code-guide

Install โ†“git clone https://github.com/zebbern/claude-code-guide.git /tmp/claude-code-guide && cp -r /tmp/claude-code-guide/.claude/skills/* .claude/skills/
Product-Manager-Skillsโ˜… 3.5k

Product Management skills framework built on battle-tested methods for Claude Code, Cowork, Codex, and AI agents.

deanpeters/Product-Manager-Skills

Install โ†“git clone https://github.com/deanpeters/Product-Manager-Skills.git /tmp/Product-Manager-Skills && cp -r /tmp/Product-Manager-Skills/.claude/skills/* .claude/skills/
pinmeโ˜… 3.2k

Deploy Your Frontend in a Single Command. Claude Code Skills supported.

glitternetwork/pinme

Install โ†“git clone https://github.com/glitternetwork/pinme.git /tmp/pinme && cp -r /tmp/pinme/.claude/skills/* .claude/skills/
vibe-coding-prompt-templateโ˜… 2.2k

Templates and workflow for generating PRDs, Tech Designs, and MVP and more using LLMs for AI IDEs

KhazP/vibe-coding-prompt-template

Install โ†“git clone https://github.com/KhazP/vibe-coding-prompt-template.git /tmp/vibe-coding-prompt-template && cp -r /tmp/vibe-coding-prompt-template/.claude/skills/* .claude/skills/
nothing-design-skillโ˜… 2.0kNew

A Claude Code skill for generating UI in the Nothing design language. Monochrome, typographic, industrial.

dominikmartn/nothing-design-skill

Install โ†“git clone https://github.com/dominikmartn/nothing-design-skill.git /tmp/nothing-design-skill && cp -r /tmp/nothing-design-skill/.claude/skills/* .claude/skills/

Backend ยท 7

Skill_Seekersโ˜… 12.9k

Convert documentation websites, GitHub repositories, and PDFs into Claude AI skills with automatic conflict detection

yusufkaraaslan/Skill_Seekers

Install โ†“git clone https://github.com/yusufkaraaslan/Skill_Seekers.git /tmp/Skill_Seekers && cp -r /tmp/Skill_Seekers/.claude/skills/* .claude/skills/
Auto-claude-code-research-in-sleepโ˜… 6.9kNew

ARIS โš”๏ธ (Auto-Research-In-Sleep) โ€” Lightweight Markdown-only skills for autonomous ML research: cross-model review loops, idea discovery, and experiment automation. No framework, no lock-in โ€” works with Claude Code, Codex, OpenClaw, or any LLM agent.

wanshuiyin/Auto-claude-code-research-in-sleep

Install โ†“git clone https://github.com/wanshuiyin/Auto-claude-code-research-in-sleep.git /tmp/Auto-claude-code-research-in-sleep && cp -r /tmp/Auto-claude-code-research-in-sleep/.claude/skills/* .claude/skills/
google-maps-scraperโ˜… 3.7k

scrape data from Google Maps. Extracts data such as the name, address, phone number, website URL, rating, reviews number, latitude and longitude, reviews,email and more for each place

gosom/google-maps-scraper

Install โ†“git clone https://github.com/gosom/google-maps-scraper.git /tmp/google-maps-scraper && cp -r /tmp/google-maps-scraper/.claude/skills/* .claude/skills/
buildwithclaudeโ˜… 2.8k

A single hub to find Claude Skills, Agents, Commands, Hooks, Plugins, and Marketplace collections to extend Claude Code, Claude Desktop, Agent SDK and OpenClaw

davepoon/buildwithclaude

Install โ†“git clone https://github.com/davepoon/buildwithclaude.git /tmp/buildwithclaude && cp -r /tmp/buildwithclaude/.claude/skills/* .claude/skills/
playwright-skillโ˜… 2.5k

Claude Code Skill for browser automation with Playwright. Model-invoked - Claude autonomously writes and executes custom automation for testing and validation.

lackeyjb/playwright-skill

Install โ†“git clone https://github.com/lackeyjb/playwright-skill.git /tmp/playwright-skill && cp -r /tmp/playwright-skill/.claude/skills/* .claude/skills/
mcp_excalidrawโ˜… 1.8k

MCP server and Claude Code skill for Excalidraw โ€” programmatic canvas toolkit to create, edit, and export diagrams via AI agents with real-time canvas sync.

yctimlin/mcp_excalidraw

Install โ†“git clone https://github.com/yctimlin/mcp_excalidraw.git /tmp/mcp_excalidraw && cp -r /tmp/mcp_excalidraw/.claude/skills/* .claude/skills/
pg-aiguideโ˜… 1.7k

MCP server and Claude plugin for Postgres skills and documentation. Helps AI coding tools generate better PostgreSQL code.

timescale/pg-aiguide

Install โ†“git clone https://github.com/timescale/pg-aiguide.git /tmp/pg-aiguide && cp -r /tmp/pg-aiguide/.claude/skills/* .claude/skills/

Security ยท 3

nanoclawโ˜… 27.5k

A lightweight alternative to OpenClaw that runs in containers for security. Connects to WhatsApp, Telegram, Slack, Discord, Gmail and other messaging apps,, has memory, scheduled jobs, and runs directly on Anthropic's Agents SDK

qwibitai/nanoclaw

Install โ†“git clone https://github.com/qwibitai/nanoclaw.git /tmp/nanoclaw && cp -r /tmp/nanoclaw/.claude/skills/* .claude/skills/
skillsโ˜… 4.7k

Trail of Bits Claude Code skills for security research, vulnerability detection, and audit workflows

trailofbits/skills

Install โ†“git clone https://github.com/trailofbits/skills.git /tmp/skills && cp -r /tmp/skills/.claude/skills/* .claude/skills/
ctf-skillsโ˜… 1.5k

Agent skills for solving CTF challenges - web exploitation, binary pwn, crypto, reverse engineering, forensics, OSINT, and more

ljagiello/ctf-skills

Install โ†“git clone https://github.com/ljagiello/ctf-skills.git /tmp/ctf-skills && cp -r /tmp/ctf-skills/.claude/skills/* .claude/skills/

Productivity ยท 13

claude-memโ˜… 61.5k

A Claude Code plugin that automatically captures everything Claude does during your coding sessions, compresses it with AI (using Claude's agent-sdk), and injects relevant context back into future sessions.

thedotmack/claude-mem

Install โ†“git clone https://github.com/thedotmack/claude-mem.git /tmp/claude-mem && cp -r /tmp/claude-mem/.claude/skills/* .claude/skills/
awesome-claude-skillsโ˜… 54.6k

A curated list of awesome Claude Skills, resources, and tools for customizing Claude AI workflows

ComposioHQ/awesome-claude-skills

Install โ†“git clone https://github.com/ComposioHQ/awesome-claude-skills.git /tmp/awesome-claude-skills && cp -r /tmp/awesome-claude-skills/.claude/skills/* .claude/skills/
agentsโ˜… 33.8k

Intelligent automation and multi-agent orchestration for Claude Code

wshobson/agents

Install โ†“git clone https://github.com/wshobson/agents.git /tmp/agents && cp -r /tmp/agents/.claude/skills/* .claude/skills/
antigravity-awesome-skillsโ˜… 33.7k

Installable GitHub library of 1,400+ agentic skills for Claude Code, Cursor, Codex CLI, Gemini CLI, Antigravity, and more. Includes installer CLI, bundles, workflows, and official/community skill collections.

sickn33/antigravity-awesome-skills

Install โ†“git clone https://github.com/sickn33/antigravity-awesome-skills.git /tmp/antigravity-awesome-skills && cp -r /tmp/antigravity-awesome-skills/.claude/skills/* .claude/skills/
scientific-agent-skillsโ˜… 18.7k

A set of ready to use Agent Skills for research, science, engineering, analysis, finance and writing.

K-Dense-AI/scientific-agent-skills

Install โ†“git clone https://github.com/K-Dense-AI/scientific-agent-skills.git /tmp/scientific-agent-skills && cp -r /tmp/scientific-agent-skills/.claude/skills/* .claude/skills/
memUโ˜… 13.4k

Memory for 24/7 proactive agents like openclaw (moltbot, clawdbot).

NevaMind-AI/memU

Install โ†“git clone https://github.com/NevaMind-AI/memU.git /tmp/memU && cp -r /tmp/memU/.claude/skills/* .claude/skills/
awesome-claude-skillsโ˜… 11.4k

A curated list of awesome Claude Skills, resources, and tools for customizing Claude AI workflows โ€” particularly Claude Code

travisvn/awesome-claude-skills

Install โ†“git clone https://github.com/travisvn/awesome-claude-skills.git /tmp/awesome-claude-skills && cp -r /tmp/awesome-claude-skills/.claude/skills/* .claude/skills/
Understand-Anythingโ˜… 8.5kNew

Graphs that teach > graphs that impress. Turn any code, or knowledge base (Karpathy LLM wiki), into an interactive knowledge graph you can explore, search, and ask questions about. Works with Claude Code, Codex, Cursor, Copilot, Gemini CLI, and more.

Lum1104/Understand-Anything

Install โ†“git clone https://github.com/Lum1104/Understand-Anything.git /tmp/Understand-Anything && cp -r /tmp/Understand-Anything/.claude/skills/* .claude/skills/
AI-Research-SKILLsโ˜… 7.0k

Comprehensive open-source library of AI research and engineering skills for any AI model. Package the skills and your claude code/codex/gemini agent will be an AI research agent with full horsepower. Maintained by Orchestra Research.

Orchestra-Research/AI-Research-SKILLs

Install โ†“git clone https://github.com/Orchestra-Research/AI-Research-SKILLs.git /tmp/AI-Research-SKILLs && cp -r /tmp/AI-Research-SKILLs/.claude/skills/* .claude/skills/
prompt-masterโ˜… 5.3kNew

A Claude skill that writes the accurate prompts for any AI tool. Zero tokens or credits wasted. Full context and memory retention

nidhinjs/prompt-master

Install โ†“git clone https://github.com/nidhinjs/prompt-master.git /tmp/prompt-master && cp -r /tmp/prompt-master/.claude/skills/* .claude/skills/
autoresearchโ˜… 3.8kNew

Claude Autoresearch Skill โ€” Autonomous goal-directed iteration for Claude Code. Inspired by Karpathy's autoresearch. Modify โ†’ Verify โ†’ Keep/Discard โ†’ Repeat forever.

uditgoenka/autoresearch

Install โ†“git clone https://github.com/uditgoenka/autoresearch.git /tmp/autoresearch && cp -r /tmp/autoresearch/.claude/skills/* .claude/skills/
claude-codeโ˜… 2.1kNew

Claude Code is an agentic coding tool that lives in your terminal, understands your codebase, and helps you code faster by executing routine tasks, explaining complex code, and handling git workflows - all through natural language commands.

codeaashu/claude-code

Install โ†“git clone https://github.com/codeaashu/claude-code.git /tmp/claude-code && cp -r /tmp/claude-code/.claude/skills/* .claude/skills/
pro-workflowโ˜… 1.9k

Claude Code learns from your corrections: self-correcting memory that compounds over 50+ sessions. Context engineering, parallel worktrees, agent teams, and 17 battle-tested skills.

rohitg00/pro-workflow

Install โ†“git clone https://github.com/rohitg00/pro-workflow.git /tmp/pro-workflow && cp -r /tmp/pro-workflow/.claude/skills/* .claude/skills/

General ยท 15

claude-code-best-practiceโ˜… 46.0k

from vibe coding to agentic engineering - practice makes claude perfect

shanraisshan/claude-code-best-practice

Install โ†“git clone https://github.com/shanraisshan/claude-code-best-practice.git /tmp/claude-code-best-practice && cp -r /tmp/claude-code-best-practice/.claude/skills/* .claude/skills/
cavemanโ˜… 37.0kNew

๐Ÿชจ why use many token when few token do trick โ€” Claude Code skill that cuts 65% of tokens by talking like caveman

JuliusBrussee/caveman

Install โ†“git clone https://github.com/JuliusBrussee/caveman.git /tmp/caveman && cp -r /tmp/caveman/.claude/skills/* .claude/skills/
baoyu-skillsโ˜… 14.9k

JimLiu/baoyu-skills

Install โ†“git clone https://github.com/JimLiu/baoyu-skills.git /tmp/baoyu-skills && cp -r /tmp/baoyu-skills/.claude/skills/* .claude/skills/
humanizerโ˜… 14.3k

Claude Code skill that removes signs of AI-generated writing from text

blader/humanizer

Install โ†“git clone https://github.com/blader/humanizer.git /tmp/humanizer && cp -r /tmp/humanizer/.claude/skills/* .claude/skills/
claude-skillsโ˜… 8.3k

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op7418/Humanizer-zh

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op7418/Claude-to-IM-skill

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Python Development

Auto-activate venv

VS Code setting claudeCode.usePythonEnvironment: true activates your workspace Python env automatically.

CLAUDE.md for Python

Document your Python version, venv path, test command (pytest), linter (ruff), type checker (mypy), and key directories.

FastAPI/Django

Claude understands these frameworks well. Describe your routes, models, and serialization patterns in CLAUDE.md.

Poetry/pipenv

Claude can run poetry/pipenv commands. Make sure they are in PATH.

Data science

Include data format, expected shape/columns, preprocessing steps in your prompts or CLAUDE.md.

Example CLAUDE.md for a Python/AWS project

# Project Context

## Stack
- Python 3.11, FastAPI, SQLAlchemy
- AWS: ECS Fargate, RDS Postgres, S3, Lambda
- Docker, Terraform (infra/)
- pytest, ruff, mypy

## Commands
- Run tests: `pytest tests/ -v`
- Lint: `ruff check src/`
- Type check: `mypy src/`
- Deploy: `./scripts/deploy.sh staging`

## Key Directories
- src/api/ โ€” FastAPI route handlers
- src/models/ โ€” SQLAlchemy models
- src/services/ โ€” Business logic
- infra/ โ€” Terraform configs
- tests/ โ€” Test suites

## Conventions
- Use functional approach, no classes for services
- All API responses use Pydantic response models
- Write tests for all new endpoints
- Follow Conventional Commits

AWS & DevOps

AWS Bedrock

Set CLAUDE_CODE_USE_BEDROCK=1 to route all Claude calls through your AWS account. No Anthropic API key needed.

export CLAUDE_CODE_USE_BEDROCK=1
GitHub Actions + Bedrock

Use anthropics/claude-code-action@v1 with use_bedrock: true and AWS_ROLE_TO_ASSUME secret.

AWS CLI in Claude

Claude can run aws CLI commands via Bash tool. Pre-approve with --allowedTools 'Bash(aws *)'.

Terraform/CDK

Claude reads and writes Terraform/CDK. Put your backend config and state bucket info in CLAUDE.md.

ECS/Lambda deploys

Create a custom skill in .claude/skills/deploy/SKILL.md with your deploy steps. Claude follows it every time.

Cost control in CI

Use --max-budget-usd and --max-turns in CI pipelines to cap spending.

claude -p --max-budget-usd 2.00 --max-turns 5 "review this PR"

Example: GitHub Actions PR review with AWS Bedrock

name: Claude PR Review
on:
  pull_request:
    types: [opened, synchronize]

jobs:
  review:
    runs-on: ubuntu-latest
    permissions:
      id-token: write
      contents: read
      pull-requests: write
    steps:
      - uses: aws-actions/configure-aws-credentials@v4
        with:
          role-to-assume: ${{ secrets.AWS_ROLE_TO_ASSUME }}
          aws-region: us-east-1
      - uses: anthropics/claude-code-action@v1
        with:
          use_bedrock: "true"
          claude_args: "--model us.anthropic.claude-sonnet-4-6 --max-turns 3"
          prompt: "Review this PR for bugs, security issues, and code quality."

Power Tips

1
Plan mode first

Start with --permission-mode plan. Review the plan, then switch to acceptEdits to execute. Safer for big changes.

2
Worktrees for parallel tasks

Use claude -w feature-name to work on multiple branches simultaneously without conflicts.

3
/compact before big tasks

If you have been chatting for a while, run /compact before starting a new big task. Frees context.

4
ultrathink for hard problems

Include 'ultrathink' in your prompt to get maximum reasoning depth on complex debugging.

5
@file references

Use @filename.py in your prompt to reference files without pasting. Claude reads them automatically.

6
Pipe for automation

Pipe files, diffs, or logs into claude -p for automated analysis in CI/CD.

git diff main | claude -p "review this diff for security issues"
7
/batch for large refactors

Use /batch for changes spanning 5-30 files. Creates isolated worktree agents that work in parallel.

8
Custom skills

Create .claude/skills/<name>/SKILL.md for repeatable workflows (deploy, test, review). Claude follows them exactly.

9
Hook auto-format

Add a PostToolUse hook on Edit|Write to auto-run your formatter (prettier, black, ruff) after every file change.

10
/loop for monitoring

Use /loop 5m 'check test status' to poll a long-running CI build without babysitting.

Daily Workflow Examples

Morning: review overnight PRs

1.claude -p "list open PRs on this repo and summarize changes"
2.claude -c # continue to review specific PR
3./review 42 # deep review of PR #42

Feature: add a new API endpoint

1.claude --permission-mode plan
2."add a GET /api/users/{id}/activity endpoint"
3.# review plan โ†’ Shift+Tab to acceptEdits โ†’ Claude executes

Debug: production error

1.cat /var/log/app/error.log | claude -p "what caused this and how to fix"
2.claude -c # continue to implement the fix

Infra: update Terraform

1.claude -w infra-update # isolated worktree
2."add a new RDS read replica in eu-west-1"
3."run terraform plan and show me the diff"

CI/CD: automated review

1.git diff main | claude -p --max-turns 3 --max-budget-usd 1.00 "review for bugs"