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Guardian vs Seamrail

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

Guardian compared with Seamrail
DetailGuardian logo GuardianSeamrail logo Seamrail
What it doesHuman authority infrastructure for autonomous AI Connect AI agents to enterprise software without requiring an API
StageNot given Not given
FoundedNot given Not given
Based inNot given US
Pricing modelFreemium Contact for pricing
PricingFree: $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. Not given
Key features
  • 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
  • Browser-based workflow mapping without API requirements
  • Automated task execution with read-back verification
  • Three-step workflow process: define, map/approve, run/check
  • Result verification and validation after action completion
  • Exception handling with human review routing
  • Support for systems without API availability
What makes it different
  • 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
  • Works without requiring an API from target enterprise systems
  • Operates through browser interface with defined boundaries
  • Includes automatic verification to confirm tasks completed correctly
  • Built from practical integration problems in real workflows
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)3 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)260
Referring domains (Majestic)180

4 details filled in for both companies.

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