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SealKeeper vs Guardian

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

SealKeeper compared with Guardian
DetailSealKeeper logo SealKeeperGuardian logo Guardian
What it doesCheck an agent or service before you rely on it Human authority infrastructure for autonomous AI
StageMVP Not given
FoundedNot given Not given
Based inZA Not given
Pricing modelFree Freemium
PricingNot given Free: $0 per month with 2 connections, 1 agent, 500 protected actions per month. Developer: $99/month with 25,000 billable executions included, then $0.001 per billable execution with $500 default overage cap. Business: Contact Sales for paid pilots and enterprise contracts.
Key features
  • Agent SEAL with bronze, silver and gold levels
  • Service SEAL for tracking service behavior and terms
  • Open-source CLI for agent integration
  • Public ledger of checked agents and services
  • Cryptographic signatures for offline verification
  • Trust Score tracking from 0 to 200
  • Domain verification by DNS for silver SEALs
  • Verified task checking without calling tools or paying
  • Cryptographically signed receipts and verifiable evidence
  • Multi-party approval for organizational authority
  • Open-source SDK, MCP server, and framework adapters
  • Authority lifecycle management from grant to revocation
  • Supported integrations with payments and cloud accounts
  • Individual, family, business, and enterprise deployment options
  • Enforcement at tool execution boundaries
What makes it different
  • Cryptographic identity and offline-verifiable SEALs for agents
  • No fees or sign-up required to get listed and checked
  • Checks services without paying or calling tools
  • Public ledger and leaderboards for transparency
  • Open source CLI for developer integration
  • Write-once signed decisions verifiable by auditors without trusting the vendor
  • Controls sit at the point where AI systems take consequential actions
  • One company integrating security and compliance disciplines
  • Open-source cores and published research allow vendor review
  • Human authority never transferred to the agent
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)10 +7 (up) since last check3 no change since last check
Trust Flow (Majestic)20
Citation Flow (Majestic)1626
Referring domains (Majestic)2018

4 details filled in for both companies.

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