Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add hooks/huzaifa525/claude-code-optimizer/pre-tool-usegit clone --depth 1 https://github.com/huzaifa525/claude-code-optimizerGrade A, and why
PreToolUse 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 2d 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
{
"PreToolUse": [
{
"matcher": "Edit|Write",
"hooks": [
{
"type": "command",
"command": "bash ~/.claude/hooks/protect-files.sh"
}
]
},
{
"matcher": "Bash",
"hooks": [
{
"type": "command",
"command": "bash ~/.claude/hooks/block-dangerous.sh"
}
]
}
]
}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.
- 2d ago First seen · 22 lines scan A 4c95b3c1d7b6
PreToolUse is a hook published in the GitHub repository huzaifa525/claude-code-optimizer (9 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.
Other hooks, from other repositories
Stop
Runs when the agent finishes a response, executing ccbeep.sh. From TheGreatCBH/CCBeep.
PermissionRequest
Runs when the agent asks permission for an action, executing ccbeep.sh. From TheGreatCBH/CCBeep.
PostToolUse
Runs after a tool call finishes, executing wmux-bridge.mjs via node. From openwong2kim/wmux.
PostToolUse
Runs after a tool call finishes for mcp__plugin_trueline-mcp_mcp__trueline_edit tool calls, executing posttooluse.js via node. From rjkaes/trueline-mcp.
PreToolUse
Runs before the agent uses a tool for Write and Edit tool calls, executing validate-plugin.sh. From ivan-magda/claude-code-plugin-template.
UserPromptSubmit
Runs when you submit a prompt, before the agent sees it, executing dev-engine-notice.mjs via node. From mopi1402/tayomi-cc-views.