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ECC

affaan-m/ECC · Updated

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

affaan-m/ECC is a JavaScript repository in the MCP & Tooling category with 291,343 stars and 43,131 forks on GitHub, released under the MIT license, last updated 2d ago.

#ai-agents#anthropic#claude#claude-code#developer-tools#llm#mcp#productivity
View on GitHub 291kGitHub stars

How to install ECC in your AI client

Setup for Claude Code, Claude Desktop, Cursor, Codex, Windsurf, Cline and VS Code — copy-paste ready.

How to install ECC in Claude CodeAnthropic's agentic CLI

  1. Clone & open

    bash
    git clone https://github.com/affaan-m/ECC.git
cd ECC
claude

  2. Let Claude read it

    Ask “/init” to generate a CLAUDE.md, then have Claude explain, run, or extend the codebase. It reads files on demand.

Documentation

Full README

<strong>Language:</strong> 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, the npm packages `ecc-universal` and `ecc-agentshield`, the GitHub App, the plugin slug ecc@ecc, and the project website 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 or native plugin commands. Both install the same ecc@ecc plugin. Choose one and do not stack a full manual Claude install on top.

<strong>ECC Pro + GitHub App</strong>

<sub>Install free · Private repos from $19/seat/mo</sub>

<strong>Sponsor ECC</strong>

<sub>Fund the open-source project</sub>

<strong>Community</strong>

<sub>Discord · Q&amp;A · Show and Tell</sub>

<sub>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.</sub>

<sub><strong>Partners &amp; sponsors</strong></sub>

&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;

<sub><strong>Past sponsors:</strong> Atlas Cloud · Mike Morgan (inactive)</sub>

Excerpt — the full document is on GitHub.

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