eko

eko

Eko (Eko Keeps Operating) - Build Production-ready Agentic Workflow with Natural Language - eko.fellou.ai

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Eko is a lightweight and flexible command-line tool for managing environment variables in your projects. It allows you to easily set, get, and delete environment variables for different environments, making it simple to manage configurations across development, staging, and production environments. With Eko, you can streamline your workflow and ensure consistency in your application settings without the need for complex setup or configuration files.

README:

eko-logo
Eko - Build Production-ready Agentic Workflow with Natural Language

License Build Status Version

Eko (pronounced like 'echo') is a production-ready JavaScript framework that enables developers to create reliable agents, from simple commands to complex workflows. It provides a unified interface for running agents in both computer and browser environments.

Framework Comparison

Feature Eko Langchain Browser-use Dify.ai Coze
Supported Platform All platform Server side Browser Web Web
One sentence to multi-step workflow
Intervenability
Task Parallel
Development Efficiency High Low Middle Middle Low
Task Complexity High High Low Middle Middle
Open-source
Access to private web resources

Features

  • [x] Pure JavaScript: Built for browsers and Node.js.🚀
  • [x] Multi-Agent: Unleash power with multiple Agents in one task.📈
  • [x] Agent/Tool Flexibility: Customize new Agents and Tools in just one line.🎉
  • [x] Native MCP: Connects seamlessly with Awesome MCP Servers.🔗
  • [x] Dynamic LLM: Balance speed and performance with flexible model choices.⚙️
  • [x] Human-in-the-loop: Intervene when it matters most.🤝
  • [x] Stream Planning: Dynamic rendering made easy.🎨
  • [x] Loop & Listener Tasks: Automate any repetitive task.🤖
  • [ ] Observable Chain: Coming soon
  • [ ] Native A2A: Coming soon

Quickstart

Note: Please refer to the Eko Quickstart guide guide for full instructions on how to run it.

Security Warning

DO NOT use API Keys in browser/frontend code!

This will expose your credentials and may lead to unauthorized usage.

Best Practices: Configure backend API proxy request through baseURL and request headers.

Please refer to the link: https://eko.fellou.ai/docs/getting-started/configuration#web-environment

const llms: LLMs = {
  default: {
    provider: "anthropic",
    model: "claude-sonnet-4-20250514",
    apiKey: "your-api-key"
  },
  gemini: {
    provider: "google",
    model: "gemini-2.5-pro",
    apiKey: "your-api-key"
  },
  openai: {
    provider: "openai",
    model: "gpt-5",
    apiKey: "your-api-key"
  }
};

let agents: Agent[] = [new BrowserAgent(), new FileAgent()];
let eko = new Eko({ llms, agents });
let result = await eko.run("Search for the latest news about Musk, summarize and save to the desktop as Musk.md");
$ pnpm install @eko-ai/eko

Use Cases

  • Browser automation and web scraping
  • System file and process management
  • Workflow automation
  • Data processing and organization
  • GUI automation
  • Multi-step task orchestration

Documentation

Visit our documentation site for:

  • Getting started guide
  • API reference
  • Usage examples
  • Best practices
  • Configuration options

Development Environments

Eko can be used in multiple environments:

  • Browser Extension
  • Web Applications
  • Node.js Applications

Community and Support

Star History Chart

License

Eko is released under the MIT License. See the LICENSE file for details.

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