Getting it into your agent
It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.
git clone --depth 1 https://github.com/CES-Ltd/Luminpx agentmods add commands/ces-ltd/lumi/octo-guardWrote 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/ces-ltd/lumi/octo-guard)<a href="https://agentmods.dev/commands/ces-ltd/lumi/octo-guard"><img src="https://agentmods.dev/badge/commands/ces-ltd/lumi/octo-guard/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/commands/ces-ltd/lumi/octo-guard"><img src="https://agentmods.dev/badge/commands/ces-ltd/lumi/octo-guard.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00008 | $0.00448 |
| Opus 5 | $0.00004 | $0.00224 |
| Sonnet 5 | $0.00002 | $0.00090 |
| Haiku 4.5 | $0.00001 | $0.00045 |
Grade C, and why
octo-guard scanned grade C with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 11d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Recursive force deletehighDestructive command
rm -rf with a variable or a broad path is one typo away from removing the wrong tree.
- **Careful mode**: Warns before destructive Bash commands (rm -rf, DROP TABLE, git push --force, etc.) This is a copy
89% identical to octo-guard — 9 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.
What it actually says
Guard Mode - Full Safety Activation
Instructions
When the user invokes /octo:guard <directory>, activate both careful mode and freeze mode in a single command.
Activation
- Activate careful mode (destructive command warnings):
echo "active" > "/tmp/octopus-careful-${CLAUDE_SESSION_ID:-$$}.txt"
- Activate freeze mode (edit boundary enforcement):
freeze_dir="$(cd "$1" 2>/dev/null && pwd)" || freeze_dir="$1"
echo "${freeze_dir}" > "/tmp/octopus-freeze-${CLAUDE_SESSION_ID:-$$}.txt"
What It Does
Guard mode combines both safety primitives:
- Careful mode: Warns before destructive Bash commands (rm -rf, DROP TABLE, git push --force, etc.)
- Freeze mode: Blocks Edit/Write operations outside the specified directory
This is the recommended safety configuration for focused work in sensitive codebases.
Usage
/octo:guard src/auth
/octo:guard ./packages/core
/octo:guard /absolute/path/to/module
After activation, confirm to the user:
🛡️ Guard mode activated:
⚠️ Careful: Destructive commands require confirmation
🔒 Freeze: Edits restricted to <resolved-path>
Use /octo:unfreeze to remove edit restriction.
Argument Required
If invoked without a directory argument, activate only careful mode and ask about freeze:
⚠️ Careful mode activated (destructive command warnings).
Which directory should I restrict edits to? Example: /octo:guard src/auth
When to Use
- Starting work in a production-adjacent codebase
- Debugging with maximum safety
- When you want both protections without two separate commands
See Also
/octo:careful— Activate only destructive command warnings/octo:freeze— Activate only edit boundary enforcement/octo:unfreeze— Remove freeze restriction
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.
- 11d ago First seen · 72 lines · 8 tokens per session scan C 0e4e901fbd19
octo-guard is a command published in the GitHub repository CES-Ltd/Lumi (31 stars, last pushed 4mo ago), licensed MIT. It adds 8 tokens to every session and 448 once invoked, about $0.0000 per session on Opus 5. A static security scan graded it C with 1 finding (recursive force delete). It is 89% identical to octo-guard, differing in 9 lines, and is treated as a copy.
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