mcp-server

ECC supercharges AI‑agent performance for founders building Claude, Codex, and Cursor

Founders gain optimized skills, memory, security, and research‑first development for Claude Code, Codex, Opencode, Cursor, backed by 280k+ GitHub stars.

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

advanced⏱ 1-2 hours💵 Free (self-hosted)
287,609 stars+7,766★ this week42,643 forksJavaScriptUpdated 10/20/2026100% free · open source
What it is

Optimize performance of AI agents and developer tools like Claude Code and Codex with ECC, a research-first agent harness system

Real use case example

"A founder building an AI-powered chatbot with Claude Code can use ECC to optimize the bot's performance, first by integrating ECC with their Claude Code account, then by configuring the optimization settings, and finally by monitoring the bot's performance and making adjustments as needed, resulting in a more efficient and effective chatbot"

When to use it
  • •When you need to optimize the performance of your AI agents across multiple coding platforms
  • •When you want to enhance the security of your AI development workflow
  • •When you need to conduct research-first development for your AI projects
Ready-to-paste prompt
Run the ECC optimization system for Claude Code using the command specified in the README, such as 'node ecc.js --platform claudecode'
Heads up: Make sure you have the necessary dependencies and runtime versions installed, as specified in the ECC README, to avoid compatibility issues
Saves to your device
Use with Claude
New

Skip the builder — one click puts this in Claude, Cursor, Antigravity and more.

🛠️ Technical setup

Expect 20–40 minutes in a terminal — or let your AI agent drive it.

Try it instantly — no install
Claude Code
mkdir -p ~/.claude/skills/ecc && curl -fsSL https://workflowstacks.com/api/skills/ecc/claude-skill -o ~/.claude/skills/ecc/SKILL.md
Open in another AI app

Opens the app with this repo with the prompt ready to go — no copy-paste needed.

Connect the whole catalog (MCP)
claude mcp add --transport http workflowstacks https://workflowstacks.com/api/mcp

Adds a WorkflowStacks connector to Claude Code: search and load any skill here by chatting.

How ECC supercharges AI‑agent performance for founders building Claude, Codex, and Cursor works
Codeflow
Free to inspect

ECC supercharges AI‑agent performance for founders building Claude, Codex, and Cursor is a very large JavaScript project (~230k lines across 671 code files). It is a full software project: use it through its install path rather than reading it end to end. Last commit this month, MIT license, has a test suite.

Size
Very large codebase
~230k lines · 671 code files · days to read — use, don't read
Setup
Developer setup
A real software project. Use it via its install path; don't expect to read it all.
Runs on
Node.js · Python · Docker
Needs API keys (.env)
JavaScript 70%Rust 22%Python 5%Shell 2%TypeScript 1%
Where to start reading
  1. 1
    README.md
    Start here — what it does and how to install it
  2. 2
    AGENTS.md
    The instructions the AI actually follows
  3. 3
    package.json
    Dependencies and the commands it exposes
  4. 4
    .env.example
    The API keys and settings you must provide
  5. 5
    skills/accessibility/SKILL.md
    Inside skills/ — an example of what the AI is told to do
What's in each folder
docs/Documentation1510 files
skills/Prompts, skills & agent definitions463 files
tests/Tests — proof it works262 files
scripts/Helper scripts260 files
.kiro/Folder153 files
rules/Prompts, skills & agent definitions122 files
commands/Prompts, skills & agent definitions94 files
.agents/Folder89 files
READMEHas testsDocumentedCI checksDocker readyExamples includedMIT licenseUpdated this month
Quick Actions
Details
Creator
affaan-m
Language
JavaScript
Category
mcp-server
Published
1/18/2026

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Show it off in your README:

Featured on WorkflowStacks
[![Featured on WorkflowStacks](https://workflowstacks.com/api/badge/ecc.svg)](https://workflowstacks.com/skills/ecc?utm_source=github&utm_medium=badge)
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