What problem does it solve? Managing credentials across scripts and environments often leads to secrets being hardcoded or pasted into logs. This Skill guides the setup and use of the 1Password CLI so secrets are read or injected at runtime without being written to disk. ## Core Features & Use Cases - CLI Setup and Sign-In: Walks through installing the 1Password CLI, enabling desktop app integration, and authenticating with op signin. - Secret Reading and Injection: Reads secrets via op read with op:// references, and injects them into configs or processes using op inject and op run. - tmux-Based Session Handling: Runs all op commands inside a dedicated tmux session to avoid repeated authorization prompts. - Use Case: A developer needs a database password for a deployment script. Instead of copying it into an .env file, they run the script with op run --env-file so the secret is resolved at runtime and never stored on disk. ## Quick Start Set up the 1Password CLI on this machine, sign in to my account, and read the database password from my app-prod vault without printing it to the chat.