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    Expo Build Triage

    1

    Diagnose failed Expo and React Native builds: reads the build log and project config, classifies the failure, applies verified fixes, and escalates cleanly when it needs hands-on debugging.

    Free

    Security scanned
    expo-build-triage

    expo-build-triage

    Example session with this skill installed

    My EAS build failed with a Gradle error. Here is my package.json and the log showing 'duplicate-class' errors for some native libraries. How do I fix this?

    • Read your context and instructions
    • Compiled the expo-build-triage

    The build failed during the native Android compilation phase. The log indicates a duplicate-class error caused by two native dependencies shipping the same .so or Java classes, which usually happens when multiple libraries include the same underlying SDK.

    Build Diagnosis & Fix

    MetricDetails
    SDK VersionExpo SDK 50
    Failing PhaseNative Build (gradlew)
    Error SignaturemergeDebugNativeLibs / DuplicateRelativeFileException
    Root CauseConflict between expo-notifications and a third-party analytics library

    To resolve this, we need to instruct Gradle to pick the first occurrence of the conflicting library rather than failing. Modify your app.json to use expo-build-properties:

    {
      "expo": {
        "plugins": [
          [
            "expo-build-properties",
            {
              "android": {
                "packagingOptions": {
                  "pickFirst": [
                    "**/libcrypto.so",
                    "**/libssl.so"
                  ]
                }
              }
            }
          ]
        ]
      }
    }
    

    Next steps

    1. Run npx expo-doctor to ensure no other version conflicts exist.
    2. Run npx expo prebuild --clean locally to verify the config plugin applies without errors.
    3. Trigger a new build with eas build --profile preview to verify the fix in the cloud environment.

    Connects securely to your tools. The creator never sees your data.

    About this skill

    Expo Build Triage is a diagnostic skill for failed Expo and React Native builds. Give your agent a build log and it works from evidence: runs expo-doctor first, matches the error against a known signature table (dependency drift, Gradle native-lib conflicts, Kotlin mismatches, CocoaPods failures, config plugin errors, signing and credential problems, EAS-cloud-only drift, SDK-upgrade breakage), applies one fix at a time with verification, and stops after three failed attempts instead of guessing. Includes a dedicated SDK upgrade mode. Free — and when a build needs hands-on native debugging, it hands off cleanly instead of burning your build minutes.

    How to use

    Skills on Agensi run inside your AI agent. Copy the prompt, paste it into your agent, and it connects to Agensi and installs this skill for you. If a payment is needed, your agent shows it to you first.

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    Security scanned

    Verified clean 3 days ago

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    Requires

    expo-doctor
    Node.js
    expo
    pod-install

    Listed3 days ago

    What's inside

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