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 skills add emdashcodes/claude-code-plugins --skill claude-code-skillsgit clone --depth 1 https://github.com/emdashcodes/claude-code-pluginsWrote 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/skills/emdashcodes/claude-code-plugins/claude-code-skills)<a href="https://agentmods.dev/skills/emdashcodes/claude-code-plugins/claude-code-skills"><img src="https://agentmods.dev/badge/skills/emdashcodes/claude-code-plugins/claude-code-skills/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/skills/emdashcodes/claude-code-plugins/claude-code-skills"><img src="https://agentmods.dev/badge/skills/emdashcodes/claude-code-plugins/claude-code-skills.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 | $0.00062 | $0.03271 |
| Opus 5.5 | $0.00025 | $0.01308 |
| Sonnet 5.5 | $0.00012 | $0.00654 |
| Haiku 4.5 | $0.00006 | $0.00327 |
Grade A, and why
claude-code-skills 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.
How it starts
The opening of the file, as written. The whole thing — 348 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Claude Code Skills Creator
This skill provides comprehensive guidance for creating effective Agent Skills in Claude Code, including plugin integration.
About Skills
Skills are modular, self-contained packages that extend Claude's capabilities by providing specialized knowledge, workflows, and tools. Think of them as "onboarding guides" for specific domains or tasks—they transform Claude from a general-purpose agent into a specialized agent equipped with procedural knowledge that no model can fully possess.
What Skills Provide
- Specialized workflows - Multi-step procedures for specific domains
- Tool integrations - Instructions for working with specific file formats or APIs
- Domain expertise - Company-specific knowledge, schemas, business logic
- Bundled resources - Scripts, references, and assets for complex and repetitive tasks
Anatomy of a Skill
Every skill consists of a required SKILL.md file and optional bundled resources:
skill-name/
├── SKILL.md (required)
│ ├── YAML frontmatter metadata (required)
│ │ ├── name: (required)
│ │ └── description: (required)
│ └── Markdown instructions (required)
└── Bundled Resources (optional)
├── scripts/ - Executable code (Python/Bash/etc.)
├── references/ - Documentation intended to be loaded into context as needed
└── assets/ - Files used in output (templates, icons, fonts, etc.)
SKILL.md (required)
Metadata Quality: The name and description in YAML frontmatter determine when Claude will use the skill. Be specific about what the skill does and when to use it. Use the third-person (e.g. "This skill should be used when..." instead of "Use this skill when...").
Claude Code-specific frontmatter fields:
allowed-tools(optional, Claude Code only): Comma-separated list of tools Claude can use when this skill is active. Restricts tool access for security or to keep the skill focused. See references/allowed-tools-guide.md for comprehensive guidance.
What ships with it
8 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
- assets/template-plugin-skill.md 4.6 KB
- LICENSE.txt 11 KB
- references/agent-skills-spec.md 1.6 KB
- references/allowed-tools-guide.md 12 KB
- references/progressive-disclosure.md 12 KB
- scripts/init_skill.py 12 KB runs code
- scripts/package_skill.py 3.2 KB runs code
- scripts/validate_skill.py 9.9 KB runs code
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.
- 1mo ago First seen · 348 lines · 62 tokens per session scan A c00abae4eb11
claude-code-skills is a skill published in the GitHub repository emdashcodes/claude-code-plugins (13 stars, last pushed 3mo ago), licensed MIT. It adds 62 tokens to every session and 3,271 once invoked, about $0.0002 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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