TL;DR
ECC is an agent performance optimization framework that provides consistent skills, memory, security, and research capabilities across multiple AI coding agent harnesses (Claude Code, Codex, Cursor, etc.).
Key features
Cross-harness compatibility: Works with various agent environments including Codex, Claude Code, Cursor, OpenCode, Gemini, Zed, GitHub Copilot, and more
Skill system: Provides reusable skills, hooks, rules, MCP settings, and legacy command shims
Memory optimization: Continuous learning and memory management capabilities
Security scanning: Security vulnerability detection via AgentShield
Research-first development: Improves agent workflows with a research-first approach
Hermes operator: Advanced operator system released from v2.0.0-rc.1
When to use it
When using multiple AI coding agents and needing consistent workflows
For developers who want to systematically manage and optimize agent skills, memory, and security
For teams looking to automate and standardize software development using AI agents in production environments