ct-validator

ct-validator is a skill for Claude Code, Codex from kryptobaseddev/cleo. It costs 74 tokens per session (2,743 once invoked), scanned A, original, MIT.

A compliance checker for systems, documents, and code. It compares existing files with requirements, schemas, standards, or implementation specifications and reports pass or fail results.

In plain words
What is it for?
Use it to validate JSON Schema, review code against coding standards, check document structure, and compare implementations with written protocols.
Why use it?
It helps find structural and rule violations before an artifact is accepted. It performs static checks rather than running tests or verifying runtime behavior.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: mentions subagents; mentions Gemini CLI.

Good fit Use it to validate JSON Schema, review code against coding standards, check document structure, and compare implementations with written protocols.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/kryptobaseddev/cleo/ct-validator
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 kryptobaseddev/cleo --skill ct-validator
Clone the repo
git clone --depth 1 https://github.com/kryptobaseddev/cleo

Made for: Claude Code, Codex.

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 ct-validator

README.md
[![agentmods](https://agentmods.dev/badge/skills/kryptobaseddev/cleo/ct-validator/github.svg)](https://agentmods.dev/skills/kryptobaseddev/cleo/ct-validator)
Your own site
<a href="https://agentmods.dev/skills/kryptobaseddev/cleo/ct-validator"><img src="https://agentmods.dev/badge/skills/kryptobaseddev/cleo/ct-validator/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.

agentmods 80×15 button for ct-validator

Your own site · 80×15
<a href="https://agentmods.dev/skills/kryptobaseddev/cleo/ct-validator"><img src="https://agentmods.dev/badge/skills/kryptobaseddev/cleo/ct-validator.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 74 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,743 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 $0.00074 $0.02743
Opus 5.5 $0.00030 $0.01097
Sonnet 5.5 $0.00015 $0.00549
Haiku 4.5 $0.00007 $0.00274

Measured 21d ago against content hash 9fd93d5058c9, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

ct-validator 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 21d 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.

packages/skills/skills/ct-validator/SKILL.md · 323 lines

How it starts

The opening of the file, as written. The whole thing — 323 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Validator Context Injection

Protocol: @src/protocols/implementation.md Type: Context Injection (cleo-subagent) Version: 2.0.0


Purpose

Context injection for compliance validation tasks spawned via cleo-subagent. Provides domain expertise for verifying that systems, documents, or code comply with specified requirements, schemas, or standards.


Capabilities

  1. Schema Validation - Verify data structures against JSON Schema
  2. Code Compliance - Check code against style guides and standards
  3. Document Validation - Verify documents meet structural requirements
  4. Protocol Compliance - Check implementations against specifications

Out of Scope (T9675)

ct-validator operates on the validation LOOM lifecycle stage (stage 7). It performs static schema, compliance, and audit checks against artifacts that already exist on disk (specs, ADRs, JSON files, RFC 2119 keyword usage, manifest schemas).

This skill does NOT:

  • Run a test suite, framework detection, or iterative IVT loop. Those belong to ct-ivt-looper at the testing stage (stage 8). When dynamic verification is required — e.g. "does the implementation actually pass its tests?" — chain to ct-ivt-looper rather than expanding scope here.
  • Modify code or apply fixes. The validator reports; downstream skills remediate.

Chain handoffs

Direction When Handoff
ct-validator → ct-ivt-looper Spec is valid but implementation needs dynamic verification Emit a manifest entry, then dispatch the testing stage
ct-ivt-looper → ct-validator IVT loop converged; need to audit the resulting artifacts against schema/compliance Dispatch the validation stage after the test convergence record

Governance: see ADR-051 (programmatic gate integrity) which defines the evidence atoms each stage emits and that the other stage may re-validate, and ADR-023 (protocol validation dispatch) which routes between them.

Read the full file on GitHub · 323 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. 21d ago Changed · +2 lines 9fd93d5058c9
  2. 22d ago Changed · +4 lines 001df375fded
  3. 1mo ago First seen · 317 lines · 74 tokens per session scan A c98cdafc58b3

Subscribe to this mod's changes

ct-validator is a skill published in the GitHub repository kryptobaseddev/cleo (159 stars, last pushed yesterday), licensed MIT. It adds 74 tokens to every session and 2,743 once invoked, about $0.0003 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 2026-09-03.

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