Create Agent Skills
Merged into /carmack. Use /carmack instead.
Install
$ agentstack add skill-barkleesanders-claude-code-starter-create-agent-skills ✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.
Security review
✓ PassedNo issues found. Passed automated security review. · v0.1.0 How review works →
- ✓ Prompt-injection patterns
- ✓ Secret / credential exfiltration
- ✓ Dangerous shell & filesystem operations
- ✓ Untrusted network calls
- ✓ Known-malicious package signatures
What it can access
- ✓ Network access No
- ✓ Filesystem access No
- ✓ Shell / process execution No
- ✓ Environment & secrets No
- ✓ Dynamic code execution No
From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.
Verified badge
Passed review? Show it. Paste this badge into your README, it links to the public security report.
Links to your public security report.[](https://agentstack.voostack.com/security/report/skill-barkleesanders-claude-code-starter-create-agent-skills) Reliability & compatibility
Declared compatibility
Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.
We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps, measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.
How agent discovery & health will work →About
This skill has been merged into /carmack
All content from this skill is now built into /carmack.
Use /carmack for all engineering work — it includes:
- Skills are prompts: YAML frontmatter + markdown, no XML tags
- Progressive disclosure: SKILL.md under 500 lines, split into reference files
- Required frontmatter: name (64 chars), description (1024 chars, includes trigger keywords)
- Naming conventions: gerund form (processing-pdfs, reviewing-code)
- Audit checklist for valid, well-structured skills
- Anti-patterns: XML tags, vague descriptions, deep nesting, too many options
/carmack [create or improve a skill]Source & license
This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.
- Author: barkleesanders
- Source: barkleesanders/claude-code-starter
- License: MIT
Install and usage instructions live in the source repository linked above.
Reviews
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Versions
- v0.1.0 Imported from the upstream source.