validate-all

validate-all is a skill for Claude Code from pdugan20/claudelint. It costs 70 tokens per session (981 once invoked), scanned A, original, MIT.

A full checker for Claude Code project files, including instructions, skills, settings, hooks, MCP servers, and plugin manifests. It checks whether these files are structured and configured correctly.

In plain words
What is it for?
Use it for a complete project check, a pre-commit review, detailed fix suggestions, or faster validation that skips expensive checks.
Why use it?
It helps locate configuration problems spread across a project when one file alone does not explain why a plugin or setup is failing.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter. Also seen: mentions CLAUDE.md; mentions Claude Code.

Part of the claudelint plugin — 10 skills, 1 agent, 1 hook shipped together

Good fit Use it for a complete project check, a pre-commit review, detailed fix suggestions, or faster validation that skips expensive checks.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/pdugan20/claudelint/validate-all
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.

Any agent
npx skills add pdugan20/claudelint --skill validate-all
Clone the repo
git clone --depth 1 https://github.com/pdugan20/claudelint

Made for: Claude Code.

Or install claudelint, the plugin that ships this one along with the rest of its 10 skills, 1 agent, 1 hook.

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 validate-all

README.md
[![agentmods](https://agentmods.dev/badge/skills/pdugan20/claudelint/validate-all.svg)](https://agentmods.dev/skills/pdugan20/claudelint/validate-all)
Your own site
<a href="https://agentmods.dev/skills/pdugan20/claudelint/validate-all"><img src="https://agentmods.dev/badge/skills/pdugan20/claudelint/validate-all.svg" alt="Measured on agentmods" height="20"></a>
Per session 70 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 981 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 $0.00070 $0.00981
Opus 5 $0.00035 $0.00491
Sonnet 5 $0.00014 $0.00196
Haiku 4.5 $0.00007 $0.00098

Measured 8d ago against content hash dc353ae13501, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

validate-all 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 8d ago.

The scan reads SKILL.md. This mod also ships 1 executable file (validate-all.sh), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

skills/validate-all/SKILL.md · 127 lines

How it starts

The opening of the file, as written. The whole thing — 127 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Validate Claude Code Project

Runs claudelint check-all to validate all Claude Code project files including CLAUDE.md, skills, settings, hooks, MCP servers, and plugin manifests.

Usage

claudelint check-all $ARGUMENTS

Options

Available flags:

  • --verbose - Show detailed validation output
  • --warnings-as-errors - Treat warnings as errors
  • --explain - Show detailed explanations and fix suggestions
  • --format <format> - Output format: stylish, json, compact (default: stylish)
  • --config <path> - Path to custom config file
  • --fast - Fast mode: skip expensive checks
  • --color / --no-color - Control color output

Examples

Example 1: Plugin won't load after changes

User says: "I just updated my CLAUDE.md and added a new skill, but now my plugin isn't loading" What happens:

  1. Skill runs claudelint check-all
  2. Finds CLAUDE.md exceeds 50KB (blocking issue)
  3. Finds new skill has wrong capitalization in allowed-tools
  4. Shows both issues need fixing before plugin will load

Result: User identifies why plugin broke and fixes both issues

Example 2: Pre-commit validation failed

User says: "My git pre-commit hook is failing but I don't know which validator is the problem" What happens:

  1. Skill runs claudelint check-all --verbose
  2. Shows validate-mcp failed: invalid transport type "sse" (deprecated)
  3. Shows validate-hooks passed, validate-skills passed, etc.
  4. Points to specific .mcp.json file and line number

Result: User fixes the one failing validator (MCP config) and commit succeeds

Example 3: After npm install, verify everything still works

User says: "I just upgraded claude-code-lint, make sure I didn't break anything" What happens:

  1. Skill runs claudelint check-all
  2. Detects new rules flagging previously-allowed patterns
  3. Shows deprecation warnings for old syntax
  4. Suggests migration path for deprecated features

Result: User knows what needs updating after version upgrade

Read the full file on GitHub · 127 lines

Files

What ships with it

4 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.

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. 8d ago First seen · 127 lines · 70 tokens per session scan A dc353ae13501

Subscribe to this mod's changes

validate-all is a skill published in the GitHub repository pdugan20/claudelint (12 stars, last pushed today), licensed MIT. It adds 70 tokens to every session and 981 once invoked, about $0.0003 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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