Package entire code repositories into single AI-friendly files using Repomix. Capabilities include pack codebases with customizable include/exclude patterns, generate multiple output formats (XML, Markdown, plain text), preserve file structure and context, optimize for AI consumption with token counting, filter by file types and directories, add custom headers and summaries.
SkillScore100Maintained
Automatic
◆AI Engineer pack
Last verified 8/21/2026
What it changes
Passed 22 of 22 test cases with the skill, and 21 of 22 without it.
Without skill95%
With skill100%
Checks it passed that the model alone missed
Specifies the commit URL `https://github.com/expressjs/express/commit/a1b2c3d4e5f6` with `--remote`.
1 fixed21 passed either way0 still failing0 broke
Pass-rate lift
+5 pp
Tokens
+74%
Agent turns
0%
Response time
-41%
Model gemini-3.6-flashMeasured 8/21/2026v122 of 22 cases passed with skill
Tokens, turns and time describe resource use, not a dollar price.
See it in action
A test case the skill fixed. Same model, same prompt, with and without the skill.
Prompt
I need Repomix to package a remote GitHub repository (`expressjs/express`) at a specific historical commit hash (`a1b2c3d4e5f6`) rather than the default branch. How should the remote target be specified?
What was checked, without and with the skill
Checked
Without skill
With skill
Specifies the commit URL `https://github.com/expressjs/express/commit/a1b2c3d4e5f6` with `--remote`.
Missed
Passed
case-05 · gemini-3.6-flash · 8/21/2026 · answers are capped and redacted
What's inside
The instructions your model reads when the skill loads.
SKILL.md210 linessingle file
Repomix Skill
Repomix packs entire repositories into single, AI-friendly files. Perfect for feeding codebases to LLMs like Claude, ChatGPT, and Gemini.
Systematically evaluate code changes for security, correctness, performance, and spec alignment. Use when reviewing PRs, assessing code quality, or verifying implementation against requirements.