taccy ☆

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Description:
Troubleshoot signature and privacy problems in applications

Type: Cask | Latest Version: 1.15,2023.06@0 | Tracked Since: Dec 28, 2025

Links: Homepage | @eclecticlight | formulae.brew.sh

Category: System utilities

Tags: macos diagnostics security privacy troubleshooting

Install: brew install --cask taccy

About:
Taccy is a diagnostic utility for macOS that inspects application signatures and privacy permissions. It helps users identify why an app might be blocked by Gatekeeper or lacks access to protected resources. The tool provides detailed reports on code signing, entitlements, and privacy access records.

Key Features:

Detailed code signature inspection and validation
Privacy permissions database analysis
Gatekeeper and Notarization status checking
Exportable diagnostic reports for troubleshooting

Use Cases:

Diagnosing why an application won't launch due to security restrictions
Verifying code signing integrity of downloaded applications
Auditing privacy permissions granted to applications

Alternatives:

codesign – Built-in command-line tool for signature verification, less user-friendly than Taccy's GUI
spctl – Assessment tool for Gatekeeper rules, more focused on policy than detailed diagnostics

Version History

Detected	Version	Rev	Change	Commit