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About

Forge Code is a terminal-based AI pair-programmer and software-engineering agent that lets you interact with your entire codebase using natural language commands. It runs directly in your shell, integrating seamlessly with any IDE or existing workflow; you don’t need to switch editors or abandon your regular tools. Forge Code understands project files, Git history, dependencies, and environment context, so once it loads your project, it comprehends the codebase structure and can respond to prompts without repeated explanations. It offers a multi-agent architecture: a “Forge Agent” for implementing changes and real code execution, and a “Muse Agent” for planning, analyzing, and reviewing code without altering files. You can use Forge with your preferred AI provider or self-hosted LLMs, giving full control over where your code goes and how the model is run.

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.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud 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 Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Developers and engineering teams in search of a solution to speed up coding, refactoring, debugging, and large-scale codebase tasks

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

Support

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

Support

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

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$20 per month
Free Version Supported
Free Trial Not Supported

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

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

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5

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

Forge Code
United States
forgecode.dev/

Company Information

Meta
Founded: 2004
United States
meta.ai

Alternatives

Aider

Aider

Aider AI

Alternatives

Claude Code

Claude Code

Anthropic
Hermes Agent

Hermes Agent

Nous Research
Claude Code

Claude Code

Anthropic
Cline

Cline

Cline AI Coding Agent

Categories

Agentic AI Supported
AI Coding Agents Supported
Pair Programming Supported

Categories

Integrations

Meta AI Supported
Android Studio Supported
Claude Supported
Claude Sonnet 4.6 Supported
GPT-4 Supported
Gemini 2.5 Pro Supported
Gemini 3 Pro Supported
Gemini 3.5 Pro Supported
Grok Supported
Grok 4 Supported
Grok 4.1 Supported
Grok 4.1 Thinking Supported
Grok 4.3 Supported
Muse Glimmer Not Supported
Muse Spark Not Supported
Muse Spark 1.2 Not Supported
Muse Spark 1.3 Not Supported
Neovim Supported
OpenAI Supported
Xcode Supported

Integrations

Meta AI Supported
Android Studio Not Supported
Claude Not Supported
Claude Sonnet 4.6 Not Supported
GPT-4 Not Supported
Gemini 2.5 Pro Not Supported
Gemini 3 Pro Not Supported
Gemini 3.5 Pro Not Supported
Grok Not Supported
Grok 4 Not Supported
Grok 4.1 Not Supported
Grok 4.1 Thinking Not Supported
Grok 4.3 Not Supported
Muse Glimmer Supported
Muse Spark Supported
Muse Spark 1.2 Supported
Muse Spark 1.3 Supported
Neovim Not Supported
OpenAI Not Supported
Xcode Not Supported
Claim Forge Code and update features and information
Claim Forge Code and update features and information
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Claim Muse Code and update features and information