cli-command-surface-audit

cli-command-surface-audit is a skill for Claude Code, Codex from ychampion/cskill-agents. It costs 30 tokens per session (433 once invoked), scanned A, original, MIT.

A review method for checking a command from its registration and help text through permissions and actual execution. It applies to command-line tools, including slash commands in coding assistants.

In plain words
What is it for?
It helps audit command registration, help menus, command pickers, permission filters, remote-safe modes, feature gates, and execution paths before release.
Why use it?
It finds cases where a command appears in one part of a tool but is hidden, blocked, or unusable elsewhere.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit It helps audit command registration, help menus, command pickers, permission filters, remote-safe modes, feature gates, and execution paths before release.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/ychampion/cskill-agents/cli-command-surface-audit
Install

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.

Any agent
npx skills add ychampion/cskill-agents --skill cli-command-surface-audit
Clone the repo
git clone --depth 1 https://github.com/ychampion/cskill-agents

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for cli-command-surface-audit

README.md
[![agentmods](https://agentmods.dev/badge/skills/ychampion/cskill-agents/cli-command-surface-audit/github.svg)](https://agentmods.dev/skills/ychampion/cskill-agents/cli-command-surface-audit)
Your own site
<a href="https://agentmods.dev/skills/ychampion/cskill-agents/cli-command-surface-audit"><img src="https://agentmods.dev/badge/skills/ychampion/cskill-agents/cli-command-surface-audit/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.

agentmods 80×15 button for cli-command-surface-audit

Your own site · 80×15
<a href="https://agentmods.dev/skills/ychampion/cskill-agents/cli-command-surface-audit"><img src="https://agentmods.dev/badge/skills/ychampion/cskill-agents/cli-command-surface-audit.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 30 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 433 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00030 $0.00433
Opus 5.5 $0.00012 $0.00173
Sonnet 5.5 $0.00006 $0.00087
Haiku 4.5 $0.00003 $0.00043

Measured 1mo ago against content hash e7eacd04c645, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

cli-command-surface-audit 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 1mo 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.

agents/claude-code/skills/cli-command-surface-audit/SKILL.md · 30 lines

How it starts

The opening of the file, as written. The whole thing — 30 lines — stays where its author put it; the contents beside it link to each section on GitHub.

SKILL: CLI Command Surface Audit

Domain: command-surfaces
Trigger: Use when adding, migrating, or debugging commands or slash-command skills in a coding CLI that builds its surface from multiple registries.
Source Pattern: Distilled from reviewed command-surface, help-menu, and execution-path consistency implementations.

Core Method

Audit the entire command surface, not just the handler. Confirm where the command is registered, how it is filtered, how it is described to users, and which runtime modes can actually execute it. Check help output, skill pickers, slash-command lookup, remote-safe filtering, and user-invocable flags against the real execution path. A command is only complete when the same name, description, permissions, and invocation contract stay aligned across all of those layers.

Key Rules

  • Verify both visibility and executability; a command that only exists in code is still broken.
  • Audit registration order and source precedence before debugging the handler itself.
  • Check feature gates, permission filters, and remote-safe filters separately because each can hide the command for a different reason.
  • Keep the displayed description and argument hint consistent with the actual invocation contract.
  • Exercise at least one real end-user invocation path after wiring the command in.

Example Application

If you add a new slash command to a coding CLI, trace it from registry construction to help output to command execution. Confirm it survives the feature gate, appears in the skill list with the right summary, remains visible in the modes that should expose it, and actually dispatches through the same runtime path the user will hit.

Anti-Patterns (What NOT to do)

  • Don’t stop after the handler compiles; the command may still be absent from the visible surface.
  • Don’t assume a help entry means the command is executable under the current permission or runtime mode.
  • Don’t let multiple registries describe the same command differently.

Read the full file on GitHub · 30 lines

Changes

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.

  1. 1mo ago First seen · 30 lines · 30 tokens per session scan A e7eacd04c645

Subscribe to this mod's changes

cli-command-surface-audit is a skill published in the GitHub repository ychampion/cskill-agents (36 stars, last pushed 6mo ago), licensed MIT. It adds 30 tokens to every session and 433 once invoked, about $0.0001 per session on Opus 5.5. 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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