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/dotcommander/cclint/skillsgit clone --depth 1 https://github.com/dotcommander/cclintWhat 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 | $0.01031 |
| Opus 5 | $0.00000 | $0.00515 |
| Sonnet 5 | $0.00000 | $0.00206 |
| Haiku 4.5 | $0.00000 | $0.00103 |
Grade A, and why
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 2d 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 — 182 lines — stays where its author put it; the contents beside it link to each section on GitHub.
cclint skills
Lint and validate skill definition files.
Usage
cclint skills [flags]
Description
The skills subcommand scans for and validates skill definition files in
your Claude Code project. Skills contain methodology, patterns, and reference
material for specialist domains.
Supported File Patterns
.claude/skills/**/SKILL.mdskills/**/SKILL.md
What Gets Validated
- Filename must be
SKILL.md - Frontmatter structure and required fields
- Name format (agentskills.io compliance)
- Line count limit (500 lines ±10% tolerance)
- Description quality (third-person, trigger phrases)
- Required sections (Quick Reference, Anti-Patterns)
- Directory structure validation
Line Limit Rule
Skills must stay under ~550 lines (500 lines ±10% tolerance).
Rationale
Skills should contain core methodology only. Heavy documentation, schemas, or
examples should be moved to a references/ subdirectory and loaded on demand.
Example Violation Message
my-skill/SKILL.md:600
suggestion: Skill is 600 lines. Best practice: keep skills under ~550
lines (500±10%) - move heavy docs to references/ subdirectory.
What To Do Instead
Extract heavy content to reference files:
# Core methodology in SKILL.md (<500 lines)
## Quick Reference
| User Question | Action |
|---------------|--------|
| Need detailed schema? | See [Schema Reference](references/schema.md) |
SKILL.md Naming Rule
Skill files must be named SKILL.md (case-sensitive).
Rationale
This naming convention is required by Anthropic's documentation standards for skill discovery and loading.
Example Violation Message
my-skill/skill.md:1
error: Skill file must be named SKILL.md
Quick Reference Requirement
Skills should include a Quick Reference section for semantic routing.
Rationale
The Quick Reference table acts as a semantic routing guide, helping Claude understand when to use the skill based on user questions or task context.
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.
- 2d ago First seen · 182 lines · 0 tokens per session scan A 27b92329bf8b
skills is a command published in the GitHub repository dotcommander/cclint (16 stars, last pushed 4d ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 1,031 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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