Repomix is an MIT-licensed TypeScript tool that packs an entire repository into a single AI-friendly file, built for developers who need to feed a whole codebase to large language models such as Claude, ChatGPT, DeepSeek, Perplexity, Gemini, Gemma, Llama, or Grok.

What it is

Repomix is a command-line utility distributed through npm that walks a repository and emits one consolidated, AI-optimized file containing the project's code. It lives in the Node.js and TypeScript ecosystem, publishes under the package name repomix, and is developed in the open on GitHub, where it has accumulated 28,389 stars, 1,528 forks, and 138 open issues as of the last push on 13 September 2026. A companion website at repomix.com offers the same packing capability in the browser, so the software runs both locally and as a hosted convenience.

The concrete problem it solves is the manual assembly work that precedes almost every useful conversation with a coding assistant. Without tooling, a developer copies files one at a time, pastes them into a chat window, loses track of which files were included, and discovers only after a rejected request that the material exceeded the model's context window. Repomix replaces that hand-collection step by producing a single structured artifact that the model can read as a coherent unit, which keeps multi-file reasoning intact instead of fragmenting it across separate pastes.

Key capabilities

• Packs an entire repository into a single, AI-friendly file rather than a loose collection of pasted snippets.
• Counts tokens for each individual file and for the whole repository, which lets you size the payload against a model's context limit before sending it.
• Emits codebase formatting tuned for machine comprehension, aimed at the models named in the project's documentation: Claude, ChatGPT, DeepSeek, Perplexity, Gemini, Gemma, Llama, and Grok.
• Ships as the npm package repomix, written in TypeScript and licensed under MIT.
• Provides a browser-based path at repomix.com for users who do not want to install anything locally.
• Maintains an active Discord server for configuration, usage, and support discussion.
• Carries ecosystem signals including a nomination in the Powered by AI category at the JSNation Open Source Awards 2025 and sponsorship from Warp and CodeRabbit.

Who uses it and how

• Individual developers working through a refactor or bug hunt who need a model to see every relevant file at once instead of a hand-picked subset.
• Review workflows where a packed repository is handed to an AI assistant to reason across modules, tests, and configuration together.
• Token-budget planning, where the per-file counts identify which parts of a large codebase to include and which to leave out before a prompt is assembled.
• Quick, low-friction sharing, where someone points a collaborator or a model at repomix.com rather than walking through a local install.
• Teams that configure the packing behavior repeatedly and rely on the Discord community for guidance on those settings.

Getting started

Install and run the npm package repomix in a repository, or use the hosted version at repomix.com when no local setup is wanted.

How it compares

No comparable codebase-packing tools are named in the available facts, so on that evidence this project stands alone in this registry. The tools it is documented alongside are the language models that consume its output, not alternatives that produce it.

When to use it — and when not to

Adoption cost is low: a Node.js runtime and the repomix package are the whole footprint, with no database, object storage, or mail service to operate, and the public web app removes even that requirement. The honest caveats are that the supplied README excerpt is only partial, so features beyond AI-optimized packing and token counting are not verifiable from these facts, and that 138 open issues indicate a project with real ongoing maintenance load. Anyone who needs a governed, access-controlled service with self-hosted server infrastructure should look elsewhere, because what is described here is a CLI plus a public web app, not a deployable platform.

npx repomix@latest

# Install using npm
npm install -g repomix

# Alternatively using yarn
yarn global add repomix

# Alternatively using bun
bun add -g repomix

# Alternatively using Homebrew (macOS/Linux)
brew install repomix

# Then run in any project directory
repomix

This file contains all the files in the repository combined into one.
I want to refactor the code, so please review it first.