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.
/plugin marketplace add ChanMeng666/echook/plugin install audio-hooksWrote 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.
[](https://agentmods.dev/hooks/chanmeng666/echook/permission-denied)<a href="https://agentmods.dev/hooks/chanmeng666/echook/permission-denied"><img src="https://agentmods.dev/badge/hooks/chanmeng666/echook/permission-denied.svg" alt="Measured on agentmods" height="20"></a>Grade A, and why
PermissionDenied 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 6d 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.
What it actually says
{
"PermissionDenied": [
{
"hooks": [
{
"type": "command",
"command": "python \"${CLAUDE_PLUGIN_ROOT}/runner/run.py\" permission_denied",
"async": true,
"timeout": 10
}
]
}
]
}What else hooks.json configures
This page is one entry in a file that holds 30. Installing the file brings all of them; each is measured and scanned on its own page.
- Hook ConfigChange A not measured
- Hook CwdChanged A not measured
- Hook DirectoryAdded A not measured
- Hook Elicitation A not measured
- Hook ElicitationResult A not measured
- Hook FileChanged A not measured
- Hook InstructionsLoaded A not measured
- Hook MessageDisplay A not measured
- Hook Notification A not measured
- Hook PermissionRequest A not measured
- Hook PostCompact A not measured
- Hook PostToolBatch A not measured
- Hook PostToolUse A not measured
- Hook PostToolUseFailure A not measured
- Hook PreCompact A not measured
- Hook PreToolUse A not measured
- Hook SessionEnd A not measured
- Hook SessionStart A not measured
- Hook Setup A not measured
- Hook Stop A not measured
- Hook StopFailure A not measured
- Hook SubagentStart A not measured
- Hook SubagentStop A not measured
- Hook TaskCompleted A not measured
- Hook TaskCreated A not measured
- Hook TeammateIdle A not measured
- Hook UserPromptExpansion A not measured
- Hook UserPromptSubmit A not measured
- Hook WorktreeRemove A not measured
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.
- 6d ago First seen · 14 lines scan A 66705aadfe7d
PermissionDenied is a hook published in the GitHub repository ChanMeng666/echook (86 stars, last pushed 5d 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.
Other hooks, from other repositories
UserPromptSubmit
Runs when you submit a prompt, before the agent sees it, executing audit-prompt.sh. From MokeyBytes/claude-baseline.
CwdChanged
Runs on the CwdChanged event, executing rot-router.ps1 and prover-remind.ps1 with --stdin (2 commands). From Nova-Violet-Role/RoT-MoE.
FileChanged
Runs on the FileChanged event, executing rot-router.ps1 and prover-remind.ps1 with --stdin (2 commands). From Nova-Violet-Role/RoT-MoE.
UserPromptExpansion
Runs to expand your prompt before the agent sees it, executing journal_event.sh via bash. From Nova-Violet-Role/RoT-DTD-GOAL.
TaskCompleted
Runs when a task is marked completed, executing journal_event.sh via bash. From Nova-Violet-Role/RoT-DTD-GOAL.
PreCompact
Runs before the context is compacted, executing snapshot.sh via bash. From Nova-Violet-Role/RoT-DTD-GOAL.