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 pdugan20/claudelint --skill validate-cc-mdgit clone --depth 1 https://github.com/pdugan20/claudelintWrote 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/pdugan20/claudelint/validate-cc-md)<a href="https://agentmods.dev/skills/pdugan20/claudelint/validate-cc-md"><img src="https://agentmods.dev/badge/skills/pdugan20/claudelint/validate-cc-md/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/pdugan20/claudelint/validate-cc-md"><img src="https://agentmods.dev/badge/skills/pdugan20/claudelint/validate-cc-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00088 | $0.01421 |
| Opus 5 | $0.00044 | $0.00711 |
| Sonnet 5 | $0.00018 | $0.00284 |
| Haiku 4.5 | $0.00009 | $0.00142 |
Grade A, and why
validate-cc-md 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 9d 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 — 189 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Validate CLAUDE.md Files
Runs claudelint validate-claude-md to validate CLAUDE.md files including:
- File size limits (30KB warning, 50KB error)
- @import directive validation
- Frontmatter validation in .claude/rules/ files
- Section organization
Usage
claudelint validate-claude-md $ARGUMENTS
Options
--path <path>- Validate specific CLAUDE.md file--verbose- Show detailed output--warnings-as-errors- Treat warnings as errors--explain- Show detailed explanations and fix suggestions
Examples
Example 1: Claude says context is too large
User says: "Claude keeps saying my instructions are too long and won't load them" What happens:
- Skill runs
claudelint validate-claude-md - Shows CLAUDE.md is 52KB (exceeds 50KB hard limit)
- Identifies 3 largest sections: API docs (18KB), Git workflow (12KB), Testing guide (8KB)
- Shows how to split: create .claude/rules/api.md and add
@import .claude/rules/api.md
Result: User splits sections, CLAUDE.md now 28KB, Claude loads it successfully
Example 2: Import shows "file not found" in Claude
User says: "I added @import .claude/rules/testing.md but Claude says the file doesn't exist" What happens:
- Skill validates @import path
- Finds file is at
.claude/rules/tests.mdnottesting.md(typo) - Also checks .claude/rules/tests.md exists and has valid frontmatter
- Shows corrected import line
Result: User fixes filename typo, import loads correctly
Example 3: Rules file won't apply to specific paths
User says: "My .claude/rules/backend.md isn't applying when I edit backend files" What happens:
- Skill checks frontmatter in .claude/rules/backend.md
- Finds
paths: "backend/*"(string) should bepaths: ["backend/**/*"](array with glob) - Explains paths field requires array of glob patterns
- Shows corrected frontmatter
Result: Rules now apply to backend directory correctly
Command Examples
Validate all CLAUDE.md files:
What ships with it
2 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.
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.
- 9d ago First seen · 189 lines · 88 tokens per session scan A a7168d9cd3f2
validate-cc-md is a skill published in the GitHub repository pdugan20/claudelint (12 stars, last pushed today), licensed MIT. It adds 88 tokens to every session and 1,421 once invoked, about $0.0004 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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