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Run arbitrary commands when files change. Useful for watching files and triggering builds or tests.
Passed 23 of 23 test cases with the skill, and 22 of 23 without it.
1 fixed22 passed either way0 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
A test case the skill fixed. Same model, same prompt, with and without the skill.
Under what specific condition is it acceptable for an AI agent to run `entr` directly in the foreground despite its blocking behavior?
| Checked | Without skill | With skill |
|---|---|---|
| States it is acceptable during a quick watch mode session intended for monitoring output. | Missed | Passed |
The instructions your model reads when the skill loads.
A utility for running arbitrary commands when files change.
entr takes a list of filenames from standard input and executes the utility specified as the first argument.
<file_listing_command> | entr <utility> [arguments]
-c: Clear the screen before invoking the utility.-r: Reload a persistent child process (e.g., a server).-s: Evaluate the first argument using the interpreter specified by SHELL.Rebuild project when sources change:
find src/ -name "*.c" | entr make
Run tests when JS files change:
git ls-files | grep '\.js$' | entr npm test
Auto-reload a Node server:
ls *.js | entr -r node app.js
entr blocks the terminal. When using it as an agent:
process tool to run it in the background if you need to do other things.test cases passed, vs 22 / 23 without
More skills from the same source and nearby in the registry, with their headline benchmark lift.