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SubagentStop

SubagentStop is a hook for coding agents from devhimanshulohani/claude-agent-manager. Its token cost is not measured, scanned A, original, MIT.

An automatic cleanup step that runs when a background worker finishes a task. It updates the agent manager's registry by running a provided script.

In plain words
What is it for?
Use it to trigger registry updates when agent-manager workers finish.
Why use it?
It keeps the worker registry current without requiring a person or another agent to update it after every completed task.

Hook

Runs only inside its plugin — its command needs a path that Claude Code sets for a plugin’s own hooks and for nothing else. Install the plugin, not this.

Part of the agent-manager plugin — 1 skill, 1 agent, 1 hook shipped together

not rated 6 5mo ago A scan tokens not measured original MIT
View the source file devhimanshulohani/claude-agent-manager
Install

Getting it into your agent

This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.

Claude Code
/plugin marketplace add devhimanshulohani/claude-agent-manager
Claude Code
/plugin install agent-manager

Or install agent-manager, the plugin that ships this one along with the rest of its 1 skill, 1 agent, 1 hook.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for SubagentStop

README.md
[![agentmods](https://agentmods.dev/badge/hooks/devhimanshulohani/claude-agent-manager/subagent-stop.svg)](https://agentmods.dev/hooks/devhimanshulohani/claude-agent-manager/subagent-stop)
Your own site
<a href="https://agentmods.dev/hooks/devhimanshulohani/claude-agent-manager/subagent-stop"><img src="https://agentmods.dev/badge/hooks/devhimanshulohani/claude-agent-manager/subagent-stop.svg" alt="Measured on agentmods" height="20"></a>
Per session not measured What this adds to a session before it is invoked.
When invoked not measured Not applicable: nothing here is loaded into a session.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Security

Grade A, and why

SubagentStop scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 4d ago.

A static scan of the commands this hook runs, not an audit. A hook is shell that executes on your machine at the event it names, which is why every command in it is printed with what was found.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

hooks/hooks.json · 14 lines

What it actually says

{
  "SubagentStop": [
    {
      "matcher": "agent-manager:worker",
      "hooks": [
        {
          "type": "command",
          "command": "${CLAUDE_PLUGIN_ROOT}/bin/update-registry.sh",
          "timeout": 10
        }
      ]
    }
  ]
}
Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 4d ago First seen · 14 lines scan A a9e1339412f6

Subscribe to this mod's changes

SubagentStop is a hook published in the GitHub repository devhimanshulohani/claude-agent-manager (6 stars, last pushed 5mo ago), licensed MIT. Its token cost is not measured: a hook is shell that never enters the context. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

ai-agentanthropicautonomous-agentbackground-agentclaudeclaude-code
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