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 ashlrai/ashlr-plugin/plugin install ashlrWrote 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/commands/ashlrai/ashlr-plugin/ashlr-hook-timings)<a href="https://agentmods.dev/commands/ashlrai/ashlr-plugin/ashlr-hook-timings"><img src="https://agentmods.dev/badge/commands/ashlrai/ashlr-plugin/ashlr-hook-timings.svg" alt="Measured on agentmods" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00027 | $0.00369 |
| Opus 5 | $0.00014 | $0.00185 |
| Sonnet 5 | $0.00005 | $0.00074 |
| Haiku 4.5 | $0.00003 | $0.00037 |
Grade A, and why
ashlr-hook-timings scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 5d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
Run the hook timings report and render its output to the user.
bun run "${CLAUDE_PLUGIN_ROOT}/scripts/hook-timings-report.ts" $ARGUMENTS
Capture stdout and display it verbatim inside a fenced code block (```) so column alignment renders correctly.
The report covers:
- Header: total records, time window, overall median latency.
- Per-hook table: calls, p50, p95, max, error%, block%.
- Flagging lines for hooks where p95 > 200ms (⚠ threshold exceeded) or max >= 1s.
- If no records yet: a single plain-text prompt to enable hooks.
Flags:
--hours N— narrow or widen the time window (default: 24h).--compare— show trend indicators (↓ improved / ↑ regressed) next to each hook's p95, comparing the current window against the previous equal-length window. A hook is "improved" when p95 dropped ≥20%, "regressed" when it grew ≥20%.--flags-only— output only the slow-hook warning lines (compact alert mode). Useful for scripting or quick checks. Exits silently when no flags exist.
After the verbatim block, add at most one short line:
- If the output contains "no records yet": "No timings recorded yet — run a few tool calls with hooks enabled."
- Otherwise: say nothing extra. The report speaks for itself.
Do not paraphrase the numbers.
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.
- 5d ago First seen · 31 lines · 27 tokens per session scan A 19ba1b9a9c82
ashlr-hook-timings is a command published in the GitHub repository ashlrai/ashlr-plugin (3 stars, last pushed 5d ago), licensed MIT. It adds 27 tokens to every session and 369 once invoked, about $0.0001 per session on Opus 5. 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.
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