Claude Code
Codex
Cursor
GitHub Copilot
Gemini CLIAbout this skill
OverKill Hill P3 client-only Google Identity Services (GIS) auth workflow. Use when designing, implementing, or troubleshooting client-only Google Identity Services (GIS) OAuth token flows for React or TypeScript SPAs on static hosts. Use for Google Sign-In, Calendar or Tasks read access, popup token acquisition, session-scoped token storage, expiry handling, silent re-authentication, GCP OAuth setup, or porting this pattern without a backend, Client Secret, redirect URI, or refresh token. Keep provider-specific write APIs outside this skill.
Quick start
- Copy the install prompt. Use the green button above this README.
- Send it to your agent. Paste it into your coding agent’s chat and send.
- Review the setup. Your agent checks the skill’s instructions, requirements, and installation scope.
Review, license & listing details
This is an imported listing. We haven’t certified its safety, license, or compatibility. Skills may include executable scripts.
Only SKILL.md was scanned. Supporting files and scripts were not checked. No safety grade has been assigned.
0 potential findings · Scanned 11/4/2026 · Scanner 0.2.1
Content SHA-256: 9849e50bfe89f24dce6f41f0d19b1b9ae7e1710e2a5b945ab0cddd30ea70c7b2
About this listing
- Category
- Engineering
- Reported license
- MIT
- Listing language (estimated)
- English
- Review status
- Not individually reviewed
- Agent compatibility
- Atlas installation supports Claude Code, Codex, and Cursor. Skill-specific dependencies and features are checked during setup.