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Stop

Stop is a hook for coding agents from Rylaa/fable5-opus5-orchestrator. Its token cost is not measured, scanned A, original, MIT.

An automatic check that runs when the coding agent finishes its response. It runs a closing ledger check.

In plain words
What is it for?
Use it to enforce final requirements checks whenever an agent response ends.
Why use it?
It helps ensure the work is not closed without following the orchestrator's required completion process.

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 orchestrator plugin — 2 skills, 1 command, 6 hooks shipped together

One of 6 entries in hooks.json — they are configured in one file and arrive together.

not rated 59 2d ago A scan tokens not measured original MIT
View the source file Rylaa/fable5-opus5-orchestrator
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 Rylaa/fable5-opus5-orchestrator
Claude Code
/plugin install orchestrator

Or install orchestrator, the plugin that ships this one along with the rest of its 2 skills, 1 command, 6 hooks.

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 Stop

README.md
[![agentmods](https://agentmods.dev/badge/hooks/rylaa/fable5-opus5-orchestrator/stop.svg)](https://agentmods.dev/hooks/rylaa/fable5-opus5-orchestrator/stop)
Your own site
<a href="https://agentmods.dev/hooks/rylaa/fable5-opus5-orchestrator/stop"><img src="https://agentmods.dev/badge/hooks/rylaa/fable5-opus5-orchestrator/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

Stop 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

{
  "Stop": [
    {
      "hooks": [
        {
          "type": "command",
          "command": "python3 \"${CLAUDE_PLUGIN_ROOT}/scripts/ledger_guard_stop.py\"",
          "timeout": 10,
          "statusMessage": "Ledger guard (close)"
        }
      ]
    }
  ]
}
Same file

What else hooks.json configures

This page is one entry in a file that holds 6. Installing the file brings all of them; each is measured and scanned on its own page. The 3 below are a sample.

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 82ef902f8de7

Subscribe to this mod's changes

Stop is a hook published in the GitHub repository Rylaa/fable5-opus5-orchestrator (59 stars, last pushed 2d 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 2026-08-30.

ai-agentsanthropicclaudeclaude-codeclaude-code-plugincontext-management
Related

Other hooks, from other repositories

SessionStart

Runs when a session starts, executing session-start.sh. From davegoldblatt/total-recall.

davegoldblatt/total-recall · not measured

PreCompact

Runs before the context is compacted, executing pre-compact.sh. From davegoldblatt/total-recall.

davegoldblatt/total-recall · not measured

SessionStart

Runs when a session starts, executing claude-hook-reminder.mjs via node with --event. From libra-mcp/libra-skills.

libra-mcp/libra-skills · not measured

TaskCompleted

Runs when a task is marked completed, executing claude-hook-reminder.mjs via node with --event. From libra-mcp/libra-skills.

libra-mcp/libra-skills · not measured

SessionEnd

Runs when a session ends, executing claude-hook-reminder.mjs via node with --event. From libra-mcp/libra-skills.

libra-mcp/libra-skills · not measured

PostToolUse

Runs after a tool call finishes for Write and Edit tool calls, executing format_and_lint.sh. From supabase/supabase.

supabase/supabase · not measured