ECC is an agent harness performance optimization system designed for various AI platforms. It supports multiple languages and offers a range of features for agentic workflows. The latest release, v2.0.0, includes enhancements for cross-harness compatibility and operator workflows.
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What it is
ECC is an agent harness performance optimization system that integrates skills, instincts, memory, security, and research-first development for AI platforms including Claude Code, Codex, OpenCode, and Cursor.
How it works
ECC functions as a cross-harness operating system for agentic work, enabling the use of various AI agents and tools. It provides a structured environment for developing and managing agent workflows, with features like skills management, session tracking, and performance optimization.
Getting started
To install ECC, use the following commands from verified channels:
- GitHub repository:
github.com/affaan-m/ECC - npm packages:
ecc-universalandecc-agentshield - GitHub App:
ecc-tools - Project website:
ecc.tools
Recent releases
- v2.0.0 (2026-06-10): Stable graduation of the 2.0 line, introducing ECC as a cross-harness operating system with enhanced features for agentic work.
- v2.0.0-rc.1 (2026-05-25): First release-candidate for ECC 2.0.0, focusing on operator workflows and dashboard GUI.
- v1.10.0 (2026-04-05): Focused on harness reliability and operator workflows.
- v1.9.0 (2026-03-21): Introduced selective install architecture and expanded language support.
- v1.8.0 (2026-03-05): Shifted to a performance system with improved reliability and cross-platform compatibility.
Traction
- Stars: 228610
- Forks: 35063
Caveats
- License: MIT
- Open issues: 96
- Created: 2026-01-18
- Last push: 2026-07-09