Manage Vercel environment variables and local .env files securely.
npx skills add https://github.com/rauell1/safaricharge --skill env-vars-rauell1
Please help me install this Agent Skill. Skill: env-vars Source: https://github.com/rauell1/safaricharge/tree/main/.agents/skills/env-vars Command: npx skills add https://github.com/rauell1/safaricharge --skill env-vars-rauell1
It removes the friction of configuring Vercel and Next.js environment variables across local development, previews, and production while keeping secrets out of source control.
Ask the skill to review your project's environment setup and tell you exactly which Vercel variables, files, and CLI steps you need.
High-intent search queries and answers about installing and using this skill.
To manage Vercel environment variables securely, use the vercel env CLI to pull, add, list, and remove values across development, preview, and production scopes. This keeps secrets out of source control while correctly scoping configuration for local and deployed Next.js workflows.
Next.js loads environment files in a specific order, starting with .env, followed by .env.local, and then environment-specific files like .env.development. Understanding this load order ensures local overrides work correctly without accidentally exposing production values.
You can add and scope production secrets using the vercel env CLI by specifying the target environment during the add command. This allows you to restrict sensitive variables to production, preview, or development, preventing accidental exposure across incorrect deployment targets.
You cannot use NEXT_PUBLIC_ variables for server-only secrets because Next.js exposes NEXT_PUBLIC_ prefixed values to the browser. To keep secrets secure, you must omit the prefix so the variables remain strictly server-side and are never shipped to the client.
OIDC-authenticated configuration requires token refresh handling because expired tokens disrupt secure local and deployed environments. Correctly managing OIDC token refresh behavior ensures your Vercel environment variables and authenticated configuration remain valid during ongoing Next.js development sessions.
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