OpenManus

Open Source

4 / 5

Last updated: Jun 10, 2026

GitHub 56.5k ⭐

About

OpenManus is an open-source replica of Manus, built by the MetaGPT team. The prototype was launched within 3 hours and has been continuously iterating. Its motto is "No fortress, purely open ground" — emphasizing openness and no barriers. It supports web browsing, file operations, and code writing as general AI agent capabilities.

Key Features

Web Browsing — autonomous web browsing and information extraction via browser-use and crawl4ai
File Operations — read, write, and edit local files
Code Writing — generate, run, and debug code
Multi-Agent Collaboration — supports multi-agent workflows with integrated DataAnalysis agent
MCP Tool Integration — supports the MCP protocol for tool-based interaction
Flexible Configuration — supports multiple LLM providers via config.toml

Use Cases

Automated Research, Software Development, Data Analysis & Visualization, File Management

Pros & Cons

Pros

Fully Open Source — MIT license, no invite code required
Quick Start — single command to run after installation
Active Community — large number of contributors and community support
Highly Extensible — supports custom agents and MCP tool integration
Experienced Team — backed by the MetaGPT team

Cons

Requires External LLM API — users must configure their own API keys
Early Stage — still in rapid iteration with possible instability
Documentation in Progress — some features lack complete documentation

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Pricing

Open Source / Free (MIT License; API costs apply)