Environment pre-flight check — validates OS, runtime versions, tools, ports, env vars, disk space BEFORE coding. Prevents 'works on my machine' failures. Like sentinel but for the environment.
How to install sentinel-env?
rune-kit/rune/sentinel-env
$curl -o .claude/agents/sentinel-env.md https://raw.githubusercontent.com/rune-kit/rune/HEAD/agents/sentinel-env.mdInstalls into the current project.
›Prefer a prompt? Paste this to your agent
Install sentinel-env by running `curl -o .claude/agents/sentinel-env.md https://raw.githubusercontent.com/rune-kit/rune/HEAD/agents/sentinel-env.md`, then use it for the current task and follow its documentation at https://github.com/rune-kit/rune.
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