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About

Muse Code is Meta’s terminal coding agent, powered by Muse Spark 1.2, for handling complex software engineering tasks across large repositories. The agent can plan changes, write code, validate results, and coordinate multiple persistent subagents during development sessions. Muse Code uses async background agents that stay active throughout a session to reduce repeated information gathering and help complete multi-step tasks with less steering. Its runtime uses a local event log that records model calls, tool runs, approvals, and edits so sessions can be replayed and resumed after failures. Muse Code includes bundled skills such as /plan for approval-gated planning, /grill for stress-testing plans, and /goal for working toward completion. Built for AI developers and software teams, Muse Code helps automate coding workflows, long-running engineering tasks, debugging, and repository-level development.

About

Oh My OpenAgent is an open-source AI agent harness designed to automate complex development workflows with minimal human intervention. It features a multi-agent system where specialized agents collaborate to plan, execute, and verify tasks efficiently. The platform includes an advanced orchestration layer that separates planning and execution, ensuring high-quality outcomes. Its “Ultra Work” mode enables full automation by combining auto-planning, deep research, and self-correcting loops. Oh My OpenAgent supports parallel agent execution, allowing multiple tasks to run simultaneously for faster results. The system emphasizes reliability through independent verification of all outputs and continuous learning across tasks. Overall, it provides a powerful framework for developers seeking autonomous, high-performance AI-driven coding workflows.

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Not Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Not Supported
On-Premises Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Software engineers, AI developers, coding agent users, platform teams, DevOps teams, ML engineers, research teams, enterprise development teams, and organizations that need terminal coding agents, repository automation, code generation, debugging, validation, persistent subagents, replay-safe execution, long-running coding workflows, and end-to-end software development support

Audience

Developers, AI engineers, and technical teams seeking an open-source, autonomous multi-agent framework to automate complex coding and development workflows.

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Not Supported

API

Offers API Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$1.25 per 1M tokens (input)
Standard pricing: $1.25 per million input tokens and $4.25 per million output tokens

Discounted "contributor" tier costing $0.10 per million input tokens and $0.20 per million output tokens for users who agree to share feedback to improve the AI.
Free Version Supported
Free Trial Not Supported

Pricing

Free
Open source
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Pros & Cons from Real Users

Pros

  • Muse Code looks exciting because Meta is finally going after coding agents directly, not just releasing another general AI model. A terminal-based agent that can write code, inspect software, run tests, and validate changes is exactly the kind of workflow developers actually care about. The pricing angle is a big deal. Meta is pitching Muse Code as one of the more affordable coding agents, with a lower-cost tier that is reportedly less than one-tenth the cost of its general Muse Spark model. That matters if you use coding agents all day instead of just for the occasional refactor. I also like that it is powered by Muse Spark 1.2, which sounds more focused on software engineering than earlier Muse Spark releases. If Meta can make the agent reliable inside real repos, Muse Code could become a serious daily tool.

Cons

  • It is still in beta, so I would not trust it blindly yet. Coding agents need to prove themselves on messy codebases, failing tests, weird dependencies, security-sensitive changes, and long multi-step tasks. I would also want to see more independent developer feedback. Meta’s pricing and positioning are interesting, but the real test is whether Muse Code can consistently make good changes without wasting time or creating cleanup work.

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Meta
Founded: 2004
United States
meta.ai

Company Information

Oh My OpenAgent
ohmyopenagent.com

Alternatives

Claude Code

Claude Code

Anthropic

Alternatives

Claude Code

Claude Code

Anthropic
Hermes Agent

Hermes Agent

Nous Research
OpenClaw

OpenClaw

Molty
Cline

Cline

Cline AI Coding Agent

Categories

Categories

Integrations

Claude Haiku 4.5 Not Supported
GPT-5.3-Codex Not Supported
GPT-5.4 Not Supported
GPT-5.5 Not Supported
GPT-5.5 Pro Not Supported
GPT-5.6 Luna Not Supported
GPT-5.6 Sol Not Supported
GPT-5.6 Terra Not Supported
GPT-6 Astra Not Supported
GPT-6 Luna Not Supported
GPT-6 Sol Not Supported
GPT-6.1 Sol Not Supported
Gemini 3.1 Pro Not Supported
Holo4 Not Supported
Kimi K2.5 Not Supported
Kimi K2.6 Not Supported
Kimi K2.7 Code Not Supported
Kimi K3 Not Supported
Muse Spark Supported

Integrations

Claude Haiku 4.5 Supported
GPT-5.3-Codex Supported
GPT-5.4 Supported
GPT-5.5 Supported
GPT-5.5 Pro Supported
GPT-5.6 Luna Supported
GPT-5.6 Sol Supported
GPT-5.6 Terra Supported
GPT-6 Astra Supported
GPT-6 Luna Supported
GPT-6 Sol Supported
GPT-6.1 Sol Supported
Gemini 3.1 Pro Supported
Holo4 Supported
Kimi K2.5 Supported
Kimi K2.6 Supported
Kimi K2.7 Code Supported
Kimi K3 Supported
Muse Spark Not Supported
Claim Muse Code and update features and information
Claim Muse Code and update features and information
Claim Oh My OpenAgent and update features and information
Claim Oh My OpenAgent and update features and information