What is jarvis?
jarvis is a Claude Code mod by twok020101 that j.A.R.V.I.S. HUD: arc-reactor spinner, live telemetry band (context, tok/s, agents by model), subagent uplink animations, input alerts, a prompt-cache guard and a /jarvis diagnostics pane. It is listed under Security and has 2 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | twok020101 |
| Repository | twok020101/claude-jarvis |
| Popularity | 2 GitHub stars |
| Category | Security |
| Security | Review before installing (68/100) |
| Rank | #1,412 of 5,272 Claude Code mods; #156 in Security |
| Last commit | 2026-10-06 |
| Hooks | 9 events |
| Sees | every prompt, every tool call |
| Draws on | AskUserQuestion, UserMessage, AssistantMessage, Spinner, AbovePrompt, ToolUse, TurnDuration, PromptHint, SessionMode, Pane |
Is jarvis safe to install?
jarvis scores 68/100 on the MCPMods security check: Review before installing. Things to review: reads environment variables; watches every prompt or event. It passed 4 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 no processes | Pass |
| Writes no files or config | Pass |
| Reads environment variables | Review |
| Watches every prompt or event | Review |
| Drives Claude (model calls, prompts) | Note |
| Passes claude plugin validate | Pass |
| No license detected | Note |
API calls in its code
| Call | What it means |
|---|---|
$.agent.list | |
$.clock.after | |
$.clock.every | |
$.clock.now | |
$.command.register | |
$.env.get | reads env vars |
$.fs.exists | reads files |
$.fs.list | reads files |
$.fs.read | reads files |
$.model.fork | drives Claude |
$.prompt.submit | drives Claude |
$.session.compact | drives Claude |
$.session.cwd | |
$.session.id | |
$.session.model | |
$.session.repo | |
$.session.root | |
$.session.turns | |
$.session.usage | |
$.state.get | |
$.state.set | |
$.store.get | keeps its own state |
$.store.set | keeps its own state |
$.ui.close | draws interface |
$.ui.open | draws interface |
$.ui.resolve | draws interface |
$.ui.toast | draws interface |
How do I install jarvis?
- 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/twok020101/claude-jarvis claude plugin validate ./claude-jarvis/jarvis
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add twok020101/claude-jarvis && claude plugin install jarvis@twok-mods
Or ask Claude to set it up
Paste this into Claude Code and it installs jarvis for you:
Install the "jarvis" Claude Code mod from https://github.com/twok020101/claude-jarvis/tree/main/jarvis. Run claude plugin validate on it first and show me what it can access before you enable it.