The Agent Harness Performance Optimization System

Skills, instincts, memory optimization, security scanning, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

ECC - The harness-native operator system for agentic work
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Language Ecosystems

Complete Agent Performance System

🎯

61 Specialized Agents

Production-ready agents for every task - planning, architecture, code review, security, testing, and more.

⚡

246 Workflow Skills

Pre-built skills for TDD, continuous learning, verification loops, memory persistence, and optimization patterns.

🔒

AgentShield Security

Built-in security scanning with 102 static analysis rules, OWASP Top 10 audit, and vulnerability detection.

🧠

Memory Optimization

Context persistence across sessions, strategic compaction, and intelligent context management.

🔄

Continuous Learning

Auto-extract patterns from sessions, evolve skills, and build institutional knowledge over time.

🎨

Dashboard GUI

Desktop dashboard with dark/light theme, font customization, and visual component exploration.

Cross-Platform Support

📝

Claude Code

Native plugin support

🐍

Codex

App & CLI support

🎯

Cursor

Full IDE integration

🔧

OpenCode

Plugin support

💎

Gemini

Experimental support

🚀

Zed

Project-level support

🤖

GitHub Copilot

Instruction layer

🌐

More...

Extensible architecture

Essential Guides

Shorthand Guide

Shorthand Guide

Setup, foundations, and philosophy. Read this first for quick start.

Longform Guide

Longform Guide

Token optimization, memory persistence, evals, and parallelization.

Security Guide

Security Guide

Attack vectors, sandboxing, sanitization, and AgentShield integration.

Start Building Smarter

Join 182K+ developers using ECC to supercharge their AI development workflows.

Get Started on GitHub