Claude Code mod

file-preview

Click a markdown, JSON or YAML file link in a reply to preview it in a side pane, drawn like a docs page

Pane & dashboard mods Plugin marketplaceValidates on Claude Code 2.1.316 Source

Install

Inside Claude Code
/plugin marketplace add abonckus/claude-code-file-preview
/plugin install file-preview@file-preview

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

What it can access

Reach
L2Writes or runs: runs processes, reads files, reads env vars, reads mod state, draws
Draws in
AssistantMessagePane
Hooks
session.startcommand.runui.scrollui.pressui.inputui.focusui.closeui.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
abonckus/claude-code-file-preview
Folder
.
Marketplace
file-preview
Author
Artūras Bončkus
Type
Pane & dashboard mods
License
MIT
Last updated
5 October 2026
Listed in
awesome-claude-code-mods

FAQ

What is file-preview?

Click a markdown, JSON or YAML file link in a reply to preview it in a side pane, drawn like a docs page It is a mod for Claude Code, from abonckus/claude-code-file-preview on GitHub.

What can the file-preview mod access?

Its widest reach is "writes or runs" (runs processes, reads files, reads env vars, reads mod state, draws). It draws in AssistantMessage, Pane. Like any mod, it runs with your permissions.

How do I install file-preview?

Inside Claude Code (v2.1.287 or later), run /plugin marketplace add abonckus/claude-code-file-preview and then /plugin install file-preview@file-preview.

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