missing-name

missing-name is a skill for Claude Code, Codex from 8ddieHu0314/Skill-Lab. It costs 15 tokens per session (53 once invoked), scanned A, original, Apache-2.0.

A deliberately incomplete skill file with no required name field.

In plain words
What is it for?
Use it to test validation of required skill metadata and naming rules.
Why use it?
It provides a test case for checking that a validator catches missing or invalid skill names.

Skill for Claude CodeCodex

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

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.

agentmods
npx agentmods add skills/8ddiehu0314/skill-lab/missing-name
Any agent
npx skills add 8ddieHu0314/Skill-Lab --skill missing-name
Clone the repo
git clone --depth 1 https://github.com/8ddieHu0314/Skill-Lab

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 missing-name

README.md
[![agentmods](https://agentmods.dev/badge/skills/8ddiehu0314/skill-lab/missing-name.svg)](https://agentmods.dev/skills/8ddiehu0314/skill-lab/missing-name)
Your own site
<a href="https://agentmods.dev/skills/8ddiehu0314/skill-lab/missing-name"><img src="https://agentmods.dev/badge/skills/8ddiehu0314/skill-lab/missing-name.svg" alt="Measured on agentmods" height="20"></a>
Per session 15 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 53 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00015 $0.00053
Opus 5 $0.00008 $0.00026
Sonnet 5 $0.00003 $0.00011
Haiku 4.5 $0.00002 $0.00005

Measured 6d ago against content hash c6a6d892c0cc, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

missing-name 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 6d 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.

tests/fixtures/skills/invalid/missing-name/SKILL.md · 11 lines

What it actually says

This skill is missing the required name: field entirely.

Expected failures:

  • naming.required [high]
  • naming.format [high]
  • naming.matches-directory [high]
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. 6d ago First seen · 11 lines · 15 tokens per session scan A c6a6d892c0cc

Subscribe to this mod's changes

missing-name is a skill published in the GitHub repository 8ddieHu0314/Skill-Lab (56 stars, last pushed 4mo ago), licensed Apache-2.0. It adds 15 tokens to every session and 53 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 2026-08-30.

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