affaan-m/ECC

The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

Language: English | العربية | Português (Brasil) | 简体中文 | 繁體中文 | 日本語 | 한국어 | Türkçe | Русский | Tiếng Việt | ไทย | Deutsch | Español | Українська | Polski | বাংলা > [!WARNING] > **Official sources only.** Install ECC only from verified channels: the GitHub repository [github.com/affaan-m/ECC](https://github.com/affaan-m/ECC), the npm packages [`ecc-universal`](https://www.npmjs.com/package/ecc-universal) and [`ecc-agentshield`](https://www.npmjs.com/package/ecc-agentshield), the [GitHub App](https://github.com/apps/ecc-tools), the plugin slug `ecc@ecc`, and the project website [ecc.tools](https://ecc.tools). Third-party re-uploads and unofficial mirrors are not maintained or reviewed by the project and may contain malware. ## Install with Claude Code Use the [guided setup](#install-ecc) or [native plugin commands](#claude-code-details). Both install the same `ecc@ecc` plugin. Choose one and do not stack a full manual Claude install on top. ECC Pro + GitHub App Install free · Private repos from $19/seat/mo Sponsor ECC Fund the open-source project Community Discord · Q&A · Show and Tell **OSS stays free.** This repo is MIT-licensed forever. ECC Pro is the hosted GitHub App for private repos. Sponsors and Pro subscribers fund the work. That's why a single maintainer ships weekly across 7 harnesses. Partners & sponsors Past sponsors: Atlas Cloud · Mike Morgan (inactive) Community sponsors: @jasonwu513 · @1anter · @massimotodaro · @meadmccabe Become a Sponsor · Sponsor Tiers · Sponsorship Program Jump to install ↓ # ECC Your agent can write code, but ECC gives it a coordinated engineering system and toolbox: it plans before it