What problem does it solve? Managing credentials and secrets across projects often leads to insecure practices like hardcoding passwords or pasting them into terminals. This Skill guides the setup and use of the 1Password CLI (op) so secrets are read, injected, or run securely without exposing them in logs or files. ## Core Features & Use Cases - CLI Setup & Sign-In: Walks through installing the op CLI, enabling desktop app integration, and signing in to single or multiple accounts. - Secret Operations: Reads secrets via op read, injects them into config templates with op inject, and runs commands with secrets via op run. - Session Management: Runs all op commands inside a dedicated tmux session to avoid repeated authentication prompts. - Use Case: A developer needs a database password for a deployment script. Instead of copying it from the app, they run op run --env-file="./.env" -- ./deploy.sh so the secret is injected at runtime and never written to disk. ## Quick Start Set up the 1Password CLI, sign me in, and read the database password from my app-prod vault.