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 commands/vcz-gray/loophaus/loopgit clone --depth 1 https://github.com/vcz-Gray/loophausWhat 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 | $0.00004 | $0.00223 |
| Opus 5 | $0.00002 | $0.00112 |
| Sonnet 5 | $0.00001 | $0.00045 |
| Haiku 4.5 | $0.00000 | $0.00022 |
Grade A, and why
loop scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
/loop — Start Iterative Dev Loop
Pre-flight
Run loophaus update-check quietly before starting.
If it reports an available update and auto-upgrade is enabled, run loophaus upgrade and continue.
If it reports an available update and auto-upgrade is disabled, show one-line notice: loophaus update available. Run: loophaus upgrade.
If the check fails or no update is available, continue silently.
Execute the setup script to initialize the loop:
node "${CLAUDE_PLUGIN_ROOT}/scripts/setup-loop.mjs" $ARGUMENTS
Work on the task. When you try to exit, the stop hook feeds the SAME PROMPT back for the next iteration. Your previous work persists in files and git history.
CRITICAL: If a completion promise is set, ONLY output it when genuinely complete. Do not output false promises to escape the loop.
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 · 27 lines · 4 tokens per session scan A b7052ad229ed
loop is a command published in the GitHub repository vcz-Gray/loophaus (23 stars, last pushed 4mo ago), licensed MIT. It adds 4 tokens to every session and 223 once invoked, about $0.0000 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 2026-08-30.
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clarify
Identify underspecified areas in the current feature spec by asking up to 5 highly targeted clarification questions and encoding answers back into the spec.
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Assess the current codebase against the feature's spec, plan, and tasks, then append any remaining unbuilt work as new tasks to tasks.md so implement can complete it.