ARM64JS vs The MCP Census

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

ARM64JS compared with The MCP Census
Detail	ARM64JS	The MCP Census
What it does	ARMv8-A emulator that boots Alpine Linux in the browser	Public-evidence gate for MCP servers before you install
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	AU
Pricing model	Freemium	Not given
Pricing	Not given	Free: 10 unique lookups/day (no account) or 1,000 credits/month (with account). Builder: $19/mo (2,000 credits/month). Pack: $9 one-time (1,000 never-expire credits). Team: $49/mo (10,000 credits/month). Search or lookup costs 1 credit per unique query per UTC day. Config audit costs 1 credit per co
Key features	Multi-vCPU support VM state snapshots stored in browser storage Package management via apk Docker support WebSocket-to-TCP proxy for internet access	Server lookup with PASS/REVIEW/BLOCK/UNKNOWN verdicts Whole MCP config audit in one call Free unmetered stats endpoint MCP protocol endpoint for agents Change feed showing what updated since last check Webhook watches for specific servers GitHub Action for CI preflight checks Evidence links for every trust factor Cross-references GitHub, npm, PyPI, and hosted endpoints
What makes it different	Full Alpine Linux environment with real kernel and binaries Persistent VM state across page reloads	First public-evidence gate for MCP servers before installation Continuous verification with daily re-harvest and rolling cycle checks One-line agent rule for automatic preflight checks on every server operation Free tier includes unmetered stats and 10 daily unique lookups with no signup
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)	Not checked yet no change since last check	4 no change since last check
Trust Flow (Majestic)	0	4
Citation Flow (Majestic)	13	26
Referring domains (Majestic)	9	38

3 details filled in for both companies.

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