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/basher83/lunar-claude/skill-validate-runtimegit clone --depth 1 https://github.com/basher83/lunar-claudeWrote 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/basher83/lunar-claude/skill-validate-runtime)<a href="https://agentmods.dev/commands/basher83/lunar-claude/skill-validate-runtime"><img src="https://agentmods.dev/badge/commands/basher83/lunar-claude/skill-validate-runtime.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 | $0.00000 | $0.02280 |
| Opus 5 | $0.00000 | $0.01140 |
| Sonnet 5 | $0.00000 | $0.00456 |
| Haiku 4.5 | $0.00000 | $0.00228 |
Grade A, and why
skill-validate-runtime 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 4d 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.
How it starts
The opening of the file, as written. The whole thing — 300 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Slash Command Standards Compliance Review
File: plugins/meta/meta-claude/commands/skill/validate-runtime.md Date: 2025-11-17 Reviewer: command-audit Agent Command Type: Plugin
Standards Reference
Source:
plugins/meta/claude-docs/skills/official-docs/reference/slash-commands.md
Key Requirements:
File Location (Lines 57-58, 71-72, 223):
- Project commands:
.claude/commands/directory - User commands:
~/.claude/commands/directory - Plugin commands:
commands/directory in plugin root
Frontmatter Fields (Lines 176-182):
description: Brief description (optional, defaults to first line)allowed-tools: Tool permissions (optional, inherits from conversation)argument-hint: Expected arguments (optional)model: Specific model (optional, inherits from conversation)disable-model-invocation: Prevent SlashCommand tool (optional, default false)
Arguments (Lines 96-126):
$ARGUMENTS: All arguments as single string$1,$2, etc.: Individual positional arguments
Bash Execution (Lines 129-150):
- Inline execution uses
!prefix:!`command` - Requires
allowed-tools: Bash(pattern:*)
File References (Lines 152-166):
- Use
@prefix:@path/to/file
Best Practices:
- Clear, specific instructions (not vague language)
- Written from Claude's perspective ("Your task is...")
- Examples for complex commands
- Single, clear purpose (Unix philosophy)
- KISS principle (Keep It Simple)
- YAGNI principle (You Aren't Gonna Need It)
Violations Found
VIOLATION #1: File Structure - Missing frontmatter entirely
Current:
# Skill Validate Runtime
Test skill by attempting to load it in Claude Code context (runtime validation).
Standard violated: While frontmatter is optional (slash-commands.md line 173), best practice recommends including description field for SlashCommand tool discoverability (slash-commands.md line 346 "Have description frontmatter field populated")
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.
- 4d ago First seen · 300 lines · 0 tokens per session scan A 4c02f1aa312e
skill-validate-runtime is a command published in the GitHub repository basher83/lunar-claude (22 stars, last pushed today), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 2,280 tokens. 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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