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PromptSign.ai vs KeyEnv

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

PromptSign.ai compared with KeyEnv
DetailPromptSign.ai logo PromptSign.aiKeyEnv logo KeyEnv
What it doesCode signing for AI skills and agents Secure secrets management for teams with encrypted environment variables and audit logs
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelNot given Freemium
PricingNot given Free: up to 3 projects, 100 secrets per environment, CLI access. Team: $4 per user per month (or $3.33 per user per month with annual billing, $40 per user per year, saving 17%). Enterprise: custom pricing with SSO/SAML, custom integrations, SLA and dedicated support, on-premise option.
Key features
  • 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
  • AES-256-GCM encryption at rest
  • Run without .env file on disk
  • Role-based access per environment
  • Service tokens for CI/CD
  • Database credential rotation for PostgreSQL and MySQL
  • Secret scanning for hardcoded keys
  • SDKs for 8 languages and CI/CD platforms
  • Environment inheritance and overrides
  • Complete audit logs of all secret access
  • AI agent integration for Claude, Cursor, Codex
What makes it different
  • Immutable transparency log that prevents silent key revocation
  • Blocks unsigned or tampered instructions in Claude Code and Codex integration
  • Move secrets from .env files to encrypted storage in three commands
  • Nothing left on disk to leak with keyenv run
  • Zero-knowledge encryption KeyEnv employees cannot access secrets
  • Works offline with cached encrypted secrets
  • Affordable per-seat pricing compared to competitors
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last check8 no change since last check
Trust Flow (Majestic)14
Citation Flow (Majestic)1929
Referring domains (Majestic)2733

3 details filled in for both companies.

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