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Repomix

Packs a repository into one LLM-ready file with token counts, code compression and secret filtering, also runs as an MCP server

CLIEditors’ pickMedium risk

yamadashy/repomixAuthor: Kazuki Yamada

Install

npx repomix@latest

Packs the current folder into repomix-output.xml. For regular use there is npm install -g repomix and brew install repomix.

This is third-party code. Review the repository files before installing.

What it does

Repomix walks a project and combines the relevant files into one document you can hand to a model whole. It honors .gitignore and its own ignore rules, counts tokens per file and overall, and uses Secretlint to leave out files that look like credentials. The --compress option uses Tree-sitter to keep signatures and structure without implementations, cutting size. In MCP mode the agent packs a local folder or a remote repository itself and searches the output.

Who it is for. For developers who paste code into a model chat or want an agent to get a quick overview of another repository.

Good fit when

  • You need to give a whole project to a long-context model
  • You need to understand someone else's repository quickly
  • You want to know how many tokens a codebase takes

Not a fit when

  • The agent already works inside the project and reads files itself
  • The project is too large even for compressed output

Example request

Pack the yamadashy/repomix repository and explain its architecture

Limitations

Secret detection looks for known formats and does not guarantee sensitive data stays out of the output. Compression removes function bodies, so it does not suit tasks where logic matters. Requires Node.js or Docker.

How to disable. Run claude mcp remove repomix or uninstall the repomix plugins via /plugin. Remove the global package with npm uninstall -g repomix.

Security check

  • Reads all project files and combines them into one document
  • Can fetch remote repositories

README in short

The README starts with running via npx and global install through npm, yarn, bun or Homebrew. It then covers include and ignore rules, Tree-sitter compression, secret checks, Docker and the config file. A large section documents the MCP server and its tools, Claude Code plugins and a standalone skill for other agents. There is a web version at repomix.com. MIT licensed.

FAQ

What format is the output?

By default repomix-output.xml in the current folder; the output format is configurable.

Can I pack a repository without cloning it?

Yes, the CLI has a --remote flag that takes a repository URL, and the MCP server has a tool for that.

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