Babysitter windows-authenticode-signer

Sign Windows executables with Authenticode using signtool, supporting EV and standard certificates

install

source · Clone the upstream repo

git clone https://github.com/a5c-ai/babysitter

Claude Code · Install into ~/.claude/skills/

T=$(mktemp -d) && git clone --depth=1 https://github.com/a5c-ai/babysitter "$T" && mkdir -p ~/.claude/skills && cp -r "$T/library/specializations/desktop-development/skills/windows-authenticode-signer" ~/.claude/skills/a5c-ai-babysitter-windows-authenticode-signer && rm -rf "$T"

manifest: library/specializations/desktop-development/skills/windows-authenticode-signer/SKILL.md

windows-authenticode-signer

Sign Windows executables with Authenticode using signtool. This skill configures code signing for Windows applications with standard and EV certificates, timestamping, and CI/CD integration.

Capabilities

Sign executables with Authenticode
Configure EV certificate signing
Set up timestamping servers
Sign with Azure Key Vault
Configure CI/CD signing workflows
Verify existing signatures
Sign DLLs and nested binaries
Configure dual SHA1/SHA256 signing

Input Schema

{
  "type": "object",
  "properties": {
    "executablePath": { "type": "string" },
    "certificateSource": { "enum": ["file", "store", "azure-keyvault", "digicert"] },
    "timestampServer": { "type": "string" },
    "hashAlgorithm": { "enum": ["SHA256", "SHA1", "dual"] }
  },
  "required": ["executablePath"]
}

Signing Commands

# Sign with PFX file
signtool sign /f certificate.pfx /p password /fd SHA256 /tr http://timestamp.digicert.com /td SHA256 MyApp.exe

# Sign with certificate store
signtool sign /n "My Company" /fd SHA256 /tr http://timestamp.digicert.com /td SHA256 MyApp.exe

# Sign with Azure Key Vault
AzureSignTool sign -kvu https://myvault.vault.azure.net -kvi $AZURE_CLIENT_ID -kvt $AZURE_TENANT_ID -kvs $AZURE_CLIENT_SECRET -kvc MyCertificate -tr http://timestamp.digicert.com -td sha256 MyApp.exe

Verification

signtool verify /pa /v MyApp.exe

Related Skills

```
msix-package-generator
```
```
code-signing-setup
```
process