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Guide · Claude & Claude Code

ECC Setup Guide: the 240k-star Claude Code repo, installed properly

The biggest Claude Code repo on GitHub gives you 284 skills, 68 agents and 94 slash commands for free. Here is the two-command install, the rule pack to start with, and the switch-on discipline that stops it slowing Claude down.

Added 6 August 2026. Free.

What’s inside

  • What it is
  • 1. Install it (two commands)
  • 2. Add one rule pack, not all of them
  • 3. The switch-on discipline
  • 4. Worth knowing

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