Claude Code mod

blackbox

BLACK BOX RECORDER: structured per-session timeline of prompts, model steps, tool calls, subagents and denials; /blackbox prints it

24 starsWorkflow modsValidates on Claude Code 2.1.316 Source

Install

From source

git clone https://github.com/ucsandman/Agnostic-AI.git
claude --plugin-dir ./Agnostic-AI/labs/claude-mods/lab/demos/blackbox

The repo has no marketplace file, so load the plugin folder directly with --plugin-dir.

What it can access

Reach: L2Writes or runs: writes files, draws
Sees: every prompt, every tool call, subagent spawns
Hooks: session.startprompt.submitturn.steptool.callagent.spawnturn.completecommand.run

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: ucsandman/Agnostic-AI
Folder: labs/claude-mods/lab/demos/blackbox
Type: Workflow mods
License: MIT
Last updated: 2 October 2026
Listed in: awesome-claude-code-mods

FAQ

What is blackbox?

BLACK BOX RECORDER: structured per-session timeline of prompts, model steps, tool calls, subagents and denials; /blackbox prints it It is a mod for Claude Code, from ucsandman/Agnostic-AI on GitHub.

What can the blackbox mod access?

Its widest reach is "writes or runs" (writes files, draws). It sees every prompt, every tool call, subagent spawns. Like any mod, it runs with your permissions.

How do I install blackbox?

Clone ucsandman/Agnostic-AI and start Claude Code with --plugin-dir pointing at the mod's folder (labs/claude-mods/lab/demos/blackbox).

Is blackbox popular?

ucsandman/Agnostic-AI has 24 GitHub stars and 0 forks, and is included in 1 curated Claude Code list. It was last updated on 2 October 2026.

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