What is modsmith?
modsmith is a Claude Code mod by barmoshe that a workbench for building Claude Code mods: which mods loaded, a live tape of every event with its real payload, the four ship gates on the mod in progress, and tools so Claude can read. It is listed under Interface and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | barmoshe |
| Repository | barmoshe/bar-mods |
| Popularity | no public popularity data yet |
| Category | Interface |
| Security | Review before installing (64/100) |
| Rank | #2,707 of 5,272 Claude Code mods; #1,125 in Interface |
| License | MIT |
| Last commit | 2026-10-15 |
| Hooks | 15 events |
| Sees | compaction, every prompt, every tool call, subagent spawns |
| Draws on | AbovePrompt, Pane |
Is modsmith safe to install?
modsmith scores 64/100 on the MCPMods security check: Review before installing. Things to review: starts processes outside the sandbox; reads environment variables; watches every prompt or event. 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 |
| Watches every prompt or event | Review |
| Doesn't drive Claude | Pass |
| Passes claude plugin validate | Pass |
| Has an open-source license | Pass |
API calls in its code
| Call | What it means |
|---|---|
$.clock.after | |
$.clock.now | |
$.command.register | |
$.env.get | reads env vars |
$.fs.exists | reads files |
$.fs.list | reads files |
$.fs.read | reads files |
$.process.run | runs processes |
$.session.id | |
$.session.version | |
$.settings.read | reads settings |
$.state.get | |
$.state.set | |
$.tool.register | drives Claude |
$.ui.copy | draws interface |
$.ui.open | draws interface |
$.ui.resolve | draws interface |
How do I install modsmith?
- 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/barmoshe/bar-mods claude plugin validate ./bar-mods/modsmith
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add barmoshe/bar-mods && claude plugin install modsmith@bar-mods
Or ask Claude to set it up
Paste this into Claude Code and it installs modsmith for you:
Install the "modsmith" Claude Code mod from https://github.com/barmoshe/bar-mods/tree/main/modsmith. Run claude plugin validate on it first and show me what it can access before you enable it.
More from barmoshe/bar-mods
This repository has 5 Claude Code mods on MCPMods.
- mission-control: A live pane: context ring, session cost, a colored timeline of every tool call, files edited, and a sports-commentator r (Low risk)
- rtl-kit: Right-to-left for Claude Code mods: one file to copy into a mod that orders Hebrew and Arabic right on every surface, al (Low risk)
- surface-probe: A pane that shows what this surface does before you design for it: its width and placement, which elements it draws, rig (Low risk)
- turn-meter: A band above the prompt: the tool running now during a turn, and a one-line summary of the last turn after it (Low risk)