Claude Code mod

surface-probe

A pane that shows what this surface does before you design for it: its width and placement, which elements it draws, right-to-left text, SVG, and whether a button can send Claude a message

Pane & dashboard mods Plugin marketplaceValidates on Claude Code 2.1.316 Source

Install

Inside Claude Code
/plugin marketplace add barmoshe/bar-mods
/plugin install surface-probe@bar-mods

Mods install like plugins. Run /reload-plugins or start a new session to load it.

What it can access

Reach
L2Writes or runs: drives Claude, writes the prompt box, reads mod state, draws
Draws in
Pane
Hooks
session.startcommand.runui.render

From a static scan of the mod's code by awesome-claude-code-mods. It shows what the code asks for, not a security review.

How Claude Code mods work

  • A mod is a plugin with a JavaScript or TypeScript module that runs inside Claude Code (version 2.1.287 or later). It can draw panes beside the transcript, a band above the prompt, buttons and toasts, restyle the spinner and tool rows, and watch or rewrite tool calls and prompts.
  • It installs like any plugin: add its marketplace with /plugin marketplace add owner/repo, then /plugin install name@marketplace.
  • Check what a mod can reach before installing: it runs with your permissions. Reach goes from drawing only, to reading files, to writing files or running processes, to the network. Run claude plugin validate on a clone to list its hooks and calls without running it.
  • Turn one off from the Installed tab in /plugin, or start Claude Code with --safe-mode to skip every customization for a session.
Claude Code docs

Details

Repository
barmoshe/bar-mods
Folder
surface-probe
Marketplace
bar-mods
Author
Bar Moshe
Type
Pane & dashboard mods
License
MIT
Last updated
21 October 2026
Listed in
awesome-claude-code-mods

FAQ

What is surface-probe?

A pane that shows what this surface does before you design for it: its width and placement, which elements it draws, right-to-left text, SVG, and whether a button can send Claude a message It is a mod for Claude Code, from barmoshe/bar-mods on GitHub.

What can the surface-probe mod access?

Its widest reach is "writes or runs" (drives Claude, writes the prompt box, reads mod state, draws). It draws in Pane. Like any mod, it runs with your permissions.

How do I install surface-probe?

Inside Claude Code (v2.1.287 or later), run /plugin marketplace add barmoshe/bar-mods and then /plugin install surface-probe@bar-mods.

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