LeakCheck vs PromptSign.ai

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

LeakCheck compared with PromptSign.ai
Detail	LeakCheck	PromptSign.ai
What it does	Free scanner to find leaked keys, open tables and exposed files in your live app and code	Code signing for AI skills and agents
Stage	Not given	Not given
Founded	Not given	Not given
Based in	CA	Not given
Pricing model	Freemium	Not given
Pricing	LeakCheck Free: US$0. LeakCheck Pro: $15 USD a month, or $12 USD a month billed yearly ($144 a year). Cancel any time.	Not given
Key features	Live app security scanning by URL Public GitHub repository code scanning API key and token detection CVE vulnerability scanning Email spoofing protection checks Alerts via email, Slack or Discord Markdown reports and README badges Monitor up to 5 apps continuously Scan history and score tracking	Sign skills and agents with verified identity authentication Verify file integrity using SHA-256 fingerprints Offline verification without internet connection Public transparency log for accountability Revoke trust for compromised keys or bad actors Support GitHub, Google, Microsoft and company account authentication Command-line tool for integration with Claude and Codex hooks
What makes it different	Designed specifically for AI-built apps Free tier allows unlimited preview scans Never requests code or secrets Read-only scanning with no data modification	Immutable transparency log that prevents silent key revocation Blocks unsigned or tampered instructions in Claude Code and Codex integration
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	5 +1 (up) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	0	1
Citation Flow (Majestic)	19	19
Referring domains (Majestic)	2	27

3 details filled in for both companies.

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