Brokers credentials for downstream services (OpenAI, Anthropic, GitHub, Lark, custom APIs, SSH, MCP) so the agent never sees raw API keys or OAuth tokens. Thin wrapper over the nyxid CLI.
$claude plugin marketplace add chronoaiproject/nyxidInstalls into the current project.
Install nyxid by running `claude plugin marketplace add chronoaiproject/nyxid`, then use it for the current task and follow its documentation at https://github.com/chronoaiproject/nyxid.