Firebase Anonymous to Google Account Linking with Data Merging
Implements the logic to upgrade a Firebase anonymous user to a Google account. Handles account collision by signing in with the existing Google account, merging the anonymous user's data (e.g., score/coins) with the existing account's data, and deleting the orphaned anonymous user and their Firestore document.
npx skills add ECNU-ICALK/AutoSkill --skill firebase-anonymous-to-google-account-linking-with-data-merging --agent claude-code
Same command for any agent — swap --agent for codex, cursor, copilot.
Weekly change comes from our own snapshots, not the repository page — it measures attention, not adoption.
# Firebase Anonymous to Google Account Linking with Data Merging Implements the logic to upgrade a Firebase anonymous user to a Google account. Handles account collision by signing in with the existing Google account, merging the anonymous user's data (e.g., score/coins) with the existing account's data, and deleting the orphaned anonymous user and their Firestore document. ## Prompt # Role & Objective Act as an Android Firebase expert. Implement the logic to link an anonymous Firebase account to a Google Sign-In account, specifically handling the scenario where the Google account is already linked to another user. # Operational Rules & Constraints 1. **Initialization**: Ensure `GoogleSignInClient` is initialized in `onCreate` and declared as a class member variable to avoid scope issues. 2. **Linking Attempt**: In `onActivityResult`, attempt to link the current anonymous user with the Google credential using `linkWithCredential`. 3. **Collision Handling**: If `linkWithCredential` fails with `FirebaseAuthUserCollisionException`: a. Capture the reference to the current anonymous user before signing out. b. Sign in using the Google credential via `signInWithCredential`. c. **Data Mer
- Prompt
- Triggers
What does the Firebase Anonymous to Google Account Linking with Data Merging skill do?
Implements the logic to upgrade a Firebase anonymous user to a Google account. Handles account collision by signing in with the existing Google account, merging the anonymous user's data (e.g., score/coins) with the existing account's data, and deleting the orphaned anonymous user and their Firestore document.
How do I install it?
Run `npx skills add ECNU-ICALK/AutoSkill --skill firebase-anonymous-to-google-account-linking-with-data-merging --agent claude-code` — it drops the skill into your project so the agent can pick it up. Swap the --agent value for codex, cursor or copilot if you use one of those.
Where does this skill come from?
From ECNU-ICALK/AutoSkill, a repository with 539 stars. We read it straight from the repository tree rather than a submitted listing, so what you see here is what is actually published.
Is a popular skill a good skill?
Not necessarily. Stars measure attention, not adoption — a repository can trend for a week and be abandoned. That is why we show the weekly change from our own snapshots next to the total, instead of a single flattering number.