Palace vs Guardian

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

Palace compared with Guardian
Detail	Palace	Guardian
What it does	Self-hosted memory for AI coding agents	Human authority infrastructure for autonomous AI
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Not given	Freemium
Pricing	Free / Open Core (€0, unlimited for solo developers). Team (€1,490/year or €104/month for 3 months then €149/month, up to 10 users). Growth (€3,490/year or €244/month for 3 months then €349/month, up to 30 users). Enterprise (custom pricing from €8,000+/year with custom seat counts beyond 30).	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	Not given	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	Fully offline licensing with Ed25519 cryptographic verification Works with any MCP-compatible agent including Cursor, Claude Code, and Codex	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 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 no change since last check	3 no change since last check
Trust Flow (Majestic)	3	0
Citation Flow (Majestic)	24	26
Referring domains (Majestic)	14	18

3 details filled in for both companies.

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