Individual skill

credentials

Instructions for handling API keys and credentials safely, verifying their presence, and prompting the user to add them if missing using a safe protocol.

skills/credentials/SKILL.md

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# Safe Credentials Protocol

Many skills require API keys or other credentials to function or to access
higher rate limits. This skill defines the standard safe credentials protocol
for verifying and prompting for these credentials without leaking sensitive keys
into the agent context or the conversation history.

## Safe Verification (No Leaks)

As soon as a skill that requires a credential or API key looks relevant to the
user's request, you **MUST** immediately verify if the credential is present in
the `.env` file (typically located in your home directory `~/.env` or the
project root) — **before doing any other work** for that skill.
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