THIS IS A PURE F*CKING GOLD Anthropic made Agent Skills an open spec and GitHub filled up with entire Claude Code engineering teams for free one repo ships 380 skills, 30+ agents and 70+ commands. another one watches your spend in real time so the team you just installed doesn't quietly eat your weekly limit. nobody is charging for any of it 10 GitHub repos worth opening tonight: 01 wshobson/agents → a plugin marketplace that installs the same agents into Claude Code, Codex, Cursor and Copilot, so your setup survives switching tools github.com/wshobson/agents 02 subinium/awesome-claude-code → a curated list of tools, skills, plugins and MCP servers. the map before you start downloading github.com/subinium/awesome-… 03 rohitg00/awesome-claude-code-toolkit → 135 agents, 35 curated skills, 42 commands, 176+ plugins, 20 hooks and 14 MCP configs in one place github.com/rohitg00/awesome-… 04 anthropics/skills → the official Agent Skills repo. start here to see the shape of a working SKILL.md before you copy anyone else's github.com/anthropics/skills 05 alirezarezvani/claude-skills → 380+ skills, 30+ agents and 70+ commands, portable to Codex, Gemini CLI, Cursor and eight more agents github.com/alirezarezvani/cl… 06 disler/claude-code-hooks-mastery → the hooks reference. this is where you learn to make the agent stop on your rules instead of stopping to ask you github.com/disler/claude-cod… 07 muhammadusmangm/claude-code-best-practices → setup, CLAUDE.md templates, multi-agent patterns and cost optimization, written as a wiki instead of a dump github.com/muhammadusmangm/c… 08 Maciek-roboblog/Claude-Code-Usage-Monitor → real-time usage monitor with predictions and warnings, so you find the wall before you hit it github.com/Maciek-roboblog/C… 09 Scorpio3310/claude-code-usage-statusline → daily and monthly spend, 5h and weekly limit meters, per-model quotas, all local, no API key github.com/Scorpio3310/claud… 10 eugeniughelbur/obsidian-second-brain → persistent memory as plain markdown in an Obsidian vault, shared across Claude Code, Codex and six other agents github.com/eugeniughelbur/ob… install the statusline before you install the agents. you want to watch what the fleet costs while it runs, not find out on Sunday when the weekly meter is already flat then hand the first team one job with an obvious finish line: one reviewed PR, one brief, one red test turned green keep the pieces that changed the result and delete the rest the same day. a config you did not write is a config you cannot debug at 2am the repos cost nothing. four agents repeating the same investigation is where the money actually goes save this one, the list only gets longer from here the article below shows how to keep context small, reuse finished work and contain retries, so more of your budget reaches the finished result ↓