What is shellcast?
shellcast is a Claude Code mod by jeffarese that tidy one-line shell command rows with live output, progress, timing and exit status, plus details on demand. It is listed under Interface and has 3 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | jeffarese |
| Repository | jeffarese/shellcast |
| Popularity | 3 GitHub stars |
| Category | Interface |
| Security | Review before installing (72/100) |
| Rank | #822 of 5,272 Claude Code mods; #304 in Interface |
| Last commit | 2026-10-08 |
| Hooks | 5 events |
| Sees | Bash calls, TaskStop calls, classic hooks |
| Draws on | ToolUse, ToolResult, ToolGroup, AbovePrompt, PromptHint |
Is shellcast safe to install?
shellcast scores 72/100 on the MCPMods security check: Review before installing. Things to review: starts processes outside the sandbox; reads environment variables. It passed 5 of 8 checks.
Mod footprints come from claude plugin validate, which lists every event a mod hooks and every API call it makes without running it.
| Check | Result |
|---|---|
| No network access | Pass |
| Starts processes outside the sandbox | Review |
| Writes no files or config | Pass |
| Reads environment variables | Review |
| Only sees the events it hooks | Pass |
| Doesn't drive Claude | Pass |
| Passes claude plugin validate | Pass |
| No license detected | Note |
API calls in its code
| Call | What it means |
|---|---|
$.clock.every | |
$.clock.now | |
$.env.get | reads env vars |
$.fs.exists | reads files |
$.fs.list | reads files |
$.fs.read | reads files |
$.fs.stat | reads files |
$.process.run | runs processes |
$.session.cwd | |
$.session.id | |
$.session.root | |
$.state.get | |
$.state.set | |
$.ui.log | draws interface |
$.ui.resolve | draws interface |
How do I install shellcast?
- Check your Claude Code version. Mods need Claude Code 2.1.287 or later and are on by default.
claude --version
- Read its footprint. This lists every event it hooks and every API call it makes, without running it.
git clone https://github.com/jeffarese/shellcast claude plugin validate ./shellcast/.
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add jeffarese/shellcast && claude plugin install shellcast@shellcast
Or ask Claude to set it up
Paste this into Claude Code and it installs shellcast for you:
Install the "shellcast" Claude Code mod from https://github.com/jeffarese/shellcast. Run claude plugin validate on it first and show me what it can access before you enable it.