Ev certificate validator

Skill a5c-ai/babysitter/library/specializations/desktop-development/skills/ev-certificate-validator

Babysitter enforces obedience on agentic workforces and enables them to manage extremely complex tasks and workflows through deterministic, hallucination-free self-orchestration

Install

npx -y skills add a5c-ai/babysitter --skill ev-certificate-validator

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What its author says it does

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Validate EV code signing certificate chain and timestamp for Windows SmartScreen

SKILL.md

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ev-certificate-validator

Validate EV (Extended Validation) code signing certificate chain and timestamp to ensure Windows SmartScreen compatibility.

Capabilities

Verify certificate chain validity
Check timestamp presence and validity
Validate EV certificate attributes
Check certificate expiration
Verify signature algorithm strength
Validate publisher information

Input Schema

{
  "type": "object",
  "properties": {
    "signedFile": { "type": "string" },
    "checkSmartScreen": { "type": "boolean", "default": true }
  },
  "required": ["signedFile"]
}

Validation Commands

# Verify signature with chain
signtool verify /pa /all /v signed.exe

# Check certificate details
certutil -dump signed.exe

# Verify timestamp
signtool verify /pa /tw signed.exe

Related Skills

windows-authenticode-signer
code-signing-setup process