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Welcome to Everything Claude Code

125+ skills, 60+ commands, 28 agents - production-ready configs evolved over 10+ months of daily use.

Everything Claude Code (ECC) is the performance optimization system for AI agent harnesses. It provides battle-tested agents, skills, hooks, commands, rules, and MCP configurations that supercharge your development workflow.

Built by an Anthropic hackathon winner and refined through 10+ months of intensive daily use building real products.

28 Specialized Agents

Language reviewers, build resolvers, architecture planners, and domain experts that handle specific tasks autonomously.

125+ Skills

Workflow definitions and domain knowledge covering languages, frameworks, testing, security, and operational domains.

60+ Commands

Slash commands for TDD, code review, build fixing, documentation, and multi-agent orchestration.

Cross-Harness

Works across Claude Code, Cursor, Codex, OpenCode, and other AI agent harnesses.

GuideFocus
Shortform GuideSetup, foundations, philosophy. Read this first.
Longform GuideToken optimization, memory persistence, evals, parallelization.
Security GuideAttack vectors, sandboxing, sanitization, CVEs, AgentShield.