Who ECC is for#
For Developers
Streamline coding practices and ensure security compliance.
Skip if:
Skip if your team prefers manual coding standards.
For Team Leads
Manage team workflows and maintain coding standards across projects.
Skip if:
Skip if your team is small and informal.
The problem it solves#
The project helps solve the challenges of maintaining coding standards and security compliance in GitHub repositories, especially as team coordination becomes complex.
How it solves it#
AgentShield Security Scanning
Scans every session with 102 rules to catch vulnerabilities before they reach production.
GitHub App Integration
Turns repo history into reusable defaults and skills for better coding practices.
Flexible Installation Options
Choose between local-first setups or GitHub App installations based on team needs.
Strengths and trade-offs#
Strengths
- Comprehensive Skill CatalogOffers 261 skills and 64 agents to enhance coding efficiency.
- Real-time Security AuditingAgentShield provides immediate feedback on security compliance.
Trade-offs
- -Complex Setup for New UsersInitial setup may be challenging for teams unfamiliar with GitHub Apps.
ECC vs alternatives#
ECC is an MIT-licensed open-source agent harness system for teams comparing Claude Code, Cursor, GitHub Copilot, and Devin-style workflows. It is best for developers who want skills, hooks, rules, memory patterns, security checks, and research-first operating habits that work across multiple agent harnesses instead of living inside one paid product.
vs Claude Code: Claude Code is the proprietary coding-agent host and model access path; ECC is the reusable operating layer you install around harnesses such as Claude Code, Codex, Cursor, OpenCode, Gemini, Zed, and GitHub Copilot. ECC does not include model usage or Anthropic support. It helps when your team wants auditable workflows and memory conventions that can move between agents.
vs Cursor: Cursor gives teams an integrated AI editor with agent limits, frontier models, MCPs, skills, hooks, and cloud agents on paid plans. ECC is not an editor and does not replace Cursor's UI. It is stronger when you want portable practices, cross-harness rules, and hook-based guardrails that survive switching tools.
vs Devin: Devin is a hosted software-engineering agent with cloud execution and team plans. ECC is closer to a local playbook and runtime layer for human-directed agent work. Devin is better when you want managed autonomous execution; ECC is better when you want open workflows, inspectable prompts, and a controlled path for agents to remember, review, and improve work over time.
Install and self-host#
Install the CLI globally with npm, then follow the setup prompts for your harness:
npm install -g ecc-universalWhat it's built on#
- Languages
- JavaScriptPythonRustTypeScript
FAQ#
What is ECC Tools?
ECC Tools is an automated GitHub App that analyzes your repository's git history and generates skill files.
Is it free?
The ECC OSS repo is completely free and MIT-licensed, while the GitHub App has free and paid tiers.
What data does the GitHub App access?
It requests read access to git history and write access to create pull requests, but does not access secrets or environment variables.
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