software-mansion-labs/rnrepo
skills/rnrepo/SKILL.md
Best practices for integrating and using RNRepo — Software Mansion's infrastructure for pre-built React Native library artifacts that reduces native build times by up to 2×. Use when setting up, configuring, or troubleshooting RNRepo in a React Native or Expo project. Trigger on: 'RNRepo', 'rnrepo', 'slow builds', 'build times', 'prebuilt artifacts', 'prebuilt libraries', '@rnrepo/expo-config-plugin', '@rnrepo/build-tools', 'prebuilds-plugin', 'rnrepo.config.json', 'DISABLE_RNREPO', 'packages.rnrepo.org', 'Maven prebuild', 'CocoaPods prebuild', 'xcframework prebuild', 'prebuild AAR', 'build from source', 'native compilation slow', 'Gradle plugin slow', 'pod install slow', 'CI build times'.
$ install --global
skillsauthnpx skillsauth add software-mansion-labs/skills rnrepoInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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Last scanned: May 15, 2026, 4:24 AM13.6s4 files scanned
SKILL.md
- name:
- rnrepo
- description:
- Best practices for integrating and using RNRepo — Software Mansion's infrastructure for pre-built React Native library artifacts that reduces native build times by up to 2×. Use when setting up, configuring, or troubleshooting RNRepo in a React Native or Expo project. Trigger on: 'RNRepo', 'rnrepo', 'slow builds', 'build times', 'prebuilt artifacts', 'prebuilt libraries', '@rnrepo/expo-config-plugin', '@rnrepo/build-tools', 'prebuilds-plugin', 'rnrepo.config.json', 'DISABLE_RNREPO', 'packages.rnrepo.org', 'Maven prebuild', 'CocoaPods prebuild', 'xcframework prebuild', 'prebuild AAR', 'build from source', 'native compilation slow', 'Gradle plugin slow', 'pod install slow', 'CI build times'.
- license:
- MIT
RNRepo
Software Mansion's infrastructure for pre-building and distributing React Native library artifacts, reducing native build times by up to 2× with zero infrastructure changes.
Read the relevant reference for the topic at hand. All references are in references/.
Key facts
- Beta, New Architecture only. Works with React Native latest patches of 0.77, 0.78, 0.79 and all versions above 0.80.0.
- How it works: A Gradle plugin (Android) and CocoaPods plugin (iOS) intercept the build and substitute libraries with prebuilt artifacts from
packages.rnrepo.org. Falls back to source if a prebuild is unavailable. - Expo CNG: Use
@rnrepo/expo-config-plugin— it configures both Android and iOS automatically. - Standard RN: Install
@rnrepo/build-toolsand editandroid/build.gradle,android/app/build.gradle, andios/Podfilemanually. - Opt out per library: Add a
rnrepo.config.jsonwith adenyListat the project root. Required for libraries with native patches (Objective-C/Java/Kotlin). JS-only patches do NOT require opting out. - Opt out entirely: Set
DISABLE_RNREPO=1environment variable before the build command.
References
| File | When to read |
|------|-------------|
| references/installation.md | Setting up RNRepo for the first time — Expo CNG, standard React Native, Android Gradle, iOS CocoaPods |
| references/configuration.md | Opting out specific libraries (denyList), disabling the plugin, Fingerprint config, GPG verification |
| references/troubleshooting.md | Build failures, C++ debug/release mismatch, duplicate .so files, Xcode version issues, empty repository list, verifying the plugin works |
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