Claude Code mod

agentctl

Agent Control Plane for one Claude Code session: task scope, evidence, hand-over. A control and a display, not an isolation boundary.

194 starsPane & dashboard mods Plugin marketplaceValidates on Claude Code 2.1.316 Source

Install

Inside Claude Code
/plugin marketplace add sd0xdev/sd0x-harness
/plugin install agentctl@sd0xdev-marketplace

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, drives Claude, writes the prompt box, reads files, reads env vars, reads the prompt box, persists state, draws
Sees
classic hooks, every tool call, Bash calls, every prompt, GetTask calls
Draws in
AbovePrompt
Hooks
session.startturn.startturn.completesession.measureclassic.UserPromptSubmitclassic.PostToolUseclassic.PermissionRequestclassic.Stoptool.callprompt.submittool.checkcommand.runprompt.suggestui.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
sd0xdev/sd0x-harness
Folder
mods/agentctl
Marketplace
sd0xdev-marketplace
Author
sd0xdev
Type
Pane & dashboard mods
License
MIT
Last updated
8 October 2026
Listed in
awesome-claude-code-mods

FAQ

What is agentctl?

Agent Control Plane for one Claude Code session: task scope, evidence, hand-over. A control and a display, not an isolation boundary. It is a mod for Claude Code, from sd0xdev/sd0x-harness on GitHub.

What can the agentctl mod access?

Its widest reach is "writes or runs" (runs processes, drives Claude, writes the prompt box, reads files, reads env vars, reads the prompt box, persists state, draws). It sees classic hooks, every tool call, Bash calls, every prompt, GetTask calls. It draws in AbovePrompt. Like any mod, it runs with your permissions.

How do I install agentctl?

Inside Claude Code (v2.1.287 or later), run /plugin marketplace add sd0xdev/sd0x-harness and then /plugin install agentctl@sd0xdev-marketplace.

Is agentctl popular?

sd0xdev/sd0x-harness has 194 GitHub stars and 0 forks, and is included in 1 curated Claude Code list. It was last updated on 8 October 2026.

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