Integrating ECC with Claude Code: Streamline Development with 68 Specialized AI Agents

AI & Workflow Automation

Transform Claude Code into a team of 68 specialized AI engineers using the ECC plugin, automating workflow delegation from planning and coding to security testing.

Integrating ECC with Claude Code: Streamline Development with 68 Specialized AI Agents

ECC (Everything Claude Code) is an open-source plugin that transforms Claude Code from a standard AI assistant into a team of 68 specialized engineers: from system architects and developers to TDD testers and security audit specialists. With just two simple installation commands, you can orchestrate an entire engineering department working seamlessly in Vietnamese.

Integrating ECC for Claude Code: Optimizing the Development Workflow with 68 Specialized AI Agents — Operational Architecture: 68 Specialized AI Agents for Claude Code

1. What is ECC and the 68 Specialized AI Agent Architecture

Normally, when using Claude Code, a single AI has to handle every stage: planning, writing code, running tests, and self-evaluating. As the context window fills up, the AI begins to hallucinate, generating patched code and easily overlooking critical security vulnerabilities.

ECC fundamentally solves this problem through a specialized division of labor model:

68 Independent Agents: Each agent handles a deep specialization (Planner, Coder, Tester, Security Reviewer, alongside language-specific experts for Go, Python, TypeScript, Rust…).
292 Domain Skills: Automatically integrates modern techniques such as Test-Driven Development (TDD), database optimization, responsive UI development, and data analysis.
AgentShield & GateGuard Protection Layers: Automatically detects and intercepts dangerous commands (such as batch file deletion rm -rf or exposing .env files) before they are executed on your computer.

FULLY OPEN SOURCE

ECC was developed by developer Affaan Mustafa (affaan-m) under the MIT license, completely free to use for both personal and enterprise commercial projects.

Supported Platform Compatibility Table

⇄ Swipe horizontally to view full table

AI Tool	Compatibility Level & Recommendations
Claude Code	Official platform, 100% support for agents, hooks, and slash commands. (Recommended)
Codex (OpenAI)	Supports standalone plugins and compatible configuration commands.
Cursor / OpenCode	Beta version support, includes full core agents and skills.
Gemini CLI / Kimi	Separate installer via npm wizard, serves basic tasks.

2. Environment Preparation Before Installation

To ensure the integration process runs smoothly in just 5 minutes, please check the following prerequisites list:

Claude Code CLI 2.1+: Open your Terminal and verify with the command claude --version.
Git: Installed on your system to download the plugin (verify with git --version).
Node.js 18+ LTS: Only required if you choose the npx wizard installation method (verify with node --version).
Test Project: Prepare a Git repository with actual code to test the power of the agents.

USAGE COSTS

The ECC repo itself is 100% free. However, to run Claude Code, you will need a Claude Pro account (around $20/month) or a Max plan / API key to provide context for the Claude model.

3. 2-Step Guide to Installing ECC in Claude Code

The entire installation process consists of just 2 commands executed directly within the Claude Code command-line interface:

Step 1: Register ECC Marketplace

Launch Claude Code in your project directory and paste the following command:

/plugin marketplace add affaan-m/ECC

Step 2: Install the ecc@ecc plugin package

Proceed to paste the official installation command:

Plugin Installation

/plugin install ecc@ecc

When Claude Code prompts for the installation scope, you should choose:

user: Enables ECC across all projects on your machine (the best choice for individuals).
project: Saves the configuration only within the current project to share it with your team via Git.

SINGLE INSTALLATION RULE

Choose only one single installation method (the /plugin command above is recommended). Never combine multiple installation methods at the same time to avoid duplicating hooks and wasting tokens.

Alternative: Install via npx wizard

If your environment has trouble with the /plugin command, you can run the automated installer from an external Terminal:

Install Via npx

npx ecc-universal@latest setup

Installation for OpenAI Codex CLI

If you are using OpenAI’s Codex CLI tool, run the following two commands in your Terminal:

Install for Codex

codex plugin marketplace add affaan-m/ECC
codex plugin add ecc@ecc

4. Four Core Stages: Plan to Code to Test to Security

The standard ECC workflow clearly separates 4 roles so that no agent excuses its own mistakes:

1. Planning Stage (Planner)

Establish architectural blueprints, divide modules, and define dependency boundaries before writing the first line of code.

2. Implementation Stage (Coder)

Implement code precisely according to technical specifications without arbitrarily altering system logic.

3. Testing Stage (Tester)

Apply rigorous TDD standards and write test cases targeting edge cases prior to feature acceptance.

4. Security Stage (Security)

Scrutinize source code from a hacker’s perspective, detecting SQL injection, XSS, secret key leaks, and improper access controls.

Example orchestration command during a session:

Planning Command

/ecc:plan Build a personal task management page with LocalStorage persistence and a responsive Neo-Brutalist UI

5. Running a full end-to-end cycle on a real project

Let’s walk through the closed-loop workflow from idea to finished product with these hands-on steps:

Initialize the plan: Type /ecc:plan [your feature]. The Planner Agent will analyze the project structure and create a detailed plan file.
Review the design: Carefully review the proposed steps. If satisfied, instruct it to begin coding:
Coding Command
```
Bắt đầu thi công phần mã nguồn theo đúng kế hoạch bản thiết kế đã chốt
```
Automated testing: Invoke the TDD specialist to verify the correctness of the functions:

Test Command

Run comprehensive TDD tests, ensuring 100% of edge cases have unit tests

Security scanning: Trigger an independent security review suite:

Security Command

Scan all recently written source code for XSS vulnerabilities, token leaks, and hazardous configurations

PRO TIP

Throughout the entire workflow, have each agent maintain clear handover logs. This ensures you always retain 100% control over critical decisions.

6. Usage Optimization Strategies to Avoid Hitting Claude Plan Limits

If you are using an individual Claude Pro plan (around $20/month), constantly invoking agents powered by the Claude 3 Opus model will deplete your 5-hour limit in just 45 minutes. Apply the following smart model tiering strategy:

High-End Model (Opus): Reserved exclusively for the Planner Agent during the initial architectural design phase.
Balanced Model (Sonnet 3.5): Dedicated to the Coder Agent for implementing business logic.
High-Speed Model (Haiku): Assigned to the Tester Agent for executing test commands and fixing minor syntax errors.

Cost-Saving Configuration

{
  "model": "claude-3-5-sonnet",
  "planner_model": "claude-3-opus",
  "coder_model": "claude-3-5-sonnet",
  "tester_model": "claude-3-5-haiku"
}

7. Important Notes Specifically for Vietnamese Users

When applying ECC in Vietnam, developers often face several unique obstacles:

Vietnamese Typing Issues in the Terminal: On Windows PowerShell, always run the command chcp 65001 before launching Claude Code to switch the encoding to UTF-8, preventing diacritics from jumping or missing Vietnamese characters.
Bank Card Payments: The Claude Pro plan requires an international payment card (Visa/Mastercard) that supports foreign currency transactions. Make sure you have enabled online payments via your banking app.
Warning Against Pirated Copies: Only clone and install from the author’s official repository at github.com/affaan-m/ECC. Avoid downloading unauthorized zip files circulating on the internet, as they may contain malware that steals API keys.

8. Common Errors and Troubleshooting

A summary of the 6 most common issues when integrating ECC and their permanent solutions:

The /ecc:plan command is not recognized after installation
▼

Solution: Completely close the current Terminal session and reopen it. Type the /plugin command in Claude Code to verify whether ecc@ecc is in the Installed list. If not, rerun the Step 2 installation command with write permissions for the directory.

Hitting the rate limit after only 30 minutes
▼

Solution: Switch to a tiered model configuration (Haiku for Tester, Sonnet for Coder) as guided in Section 6, or break the problem down into shorter working sessions instead of asking the AI to write the entire project all at once.

Command conflict caused by installing via both npm and Claude plugin
▼

Solution: Run the command npm uninstall -g ecc-universal to remove the global installation, then delete the redundant configuration cache folder in ~/.claude/plugins/ to keep only a single, clean plugin source.

PowerShell displays garbled characters when rendering Vietnamese
▼

Solution: Open PowerShell and enter the command: chcp 65001, then set the Terminal font to ‘Cascadia Code’ or ‘JetBrains Mono’ to fully support rendering accented Vietnamese characters.

AgentShield blocks a project npm install script
▼

Solution: AgentShield is designed to protect you from malicious scripts. Open the ECC configuration file and review the command whitelist to allow the trusted script to run.

Error: Command not found: node when running npx
▼

Solution: Your computer does not have the LTS version of Node.js installed. Visit the official nodejs.org website, download the v20 or v22 installer, and restart your computer.

9. Frequently Asked Questions (FAQ)

Quick answers to questions regarding costs and real-world deployment experience with ECC:

Can I use ECC with a free Claude account?
▼

No. Claude Code is an advanced command-line tool available only to paying users (Claude Pro subscription starting at $20/month or pay-as-you-go via the Claude Console API). However, the ECC plugin itself is 100% free.

Does ECC support projects written in PHP, Go, or Rust?
▼

Yes. Among ECC’s 68 agents, dedicated specialists are available for each language: Go reviewer, Rust optimizer, Python data engineer, PHP/WordPress specialist, and TypeScript architect.

Will I lose ECC when updating Claude Code?
▼

No, you won’t. ECC’s plugin configurations are stored independently in the user configuration directory. When Claude Code updates to a new version, it will still automatically load all ECC agents as normal.

How does ECC differ from writing your own AI System Prompt?
▼

ECC is a complete plugin system that includes Hook mechanisms (automatically triggered by events), long-term memory, the AgentShield security barrier, and standardized state handover workflows—going far beyond a single static prompt.