CAIN-42 CAIN Studio
42CAIN-42 IHVRK › MCPGate Boundary Appliance

MCPGate Boundary Appliance: evidence, proof and selling tools

Official CAIN-42 IHVRK · New to this product? Learn it first

Don't trust CAIN-42. Verify CAIN-42. This is the Independent Human Verification Resource Kit for MCPGate Boundary Appliance: every claim its page makes, as the exact request and the answer it must give, recorded live and signed. You check it on your own machine with a short Python script that uses no CAIN-42 code.

Every claim matched when recorded

Download the kit (.zip)

Everything you can give a customer

The kit

Kitmcpgate-appliance-20261103T223434
Recorded2026-11-03T22:34:34+00:00 against cainstudio.online
Claims7
Zip SHA-25600a38ebaf4bf041a93eea394c42fe05973fd0f6ae7b561677c6868740821e6c5 (also in SHA256SUMS)
Signing key fingerprint1cacdfc1fc2024b6bb4f8fb02c7c80f4a57f44c5adb11c507190781b5d613de3, published on cainstudio.online · mcpgate.online · clawx.click

Verify it on your own machine

unzip cain42-ihvrk-mcpgate-appliance.zip && cd cain42-ihvrk-mcpgate-appliance
python3 verify.py            # offline: hashes, Ed25519 signature, recorded answers
python3 verify.py --live     # also re-send every request yourself and check the answers now

A claim that cannot be checked counts as a FAIL, never a pass. The live check is the one that depends on nothing we recorded.

The claims in this kit

#ClaimAnswer must contain
C01Read a report file (allowed tool) -> On the list, harmless argument: forwarded.[true]
C02SELECT 1 (allowed tool) -> A plain read query: forwarded.[true]
C03A tool not on the list -> Default-deny: not forwarded.[false]
C04delete_database -> Held for approval.[false]
C05Allowed shell tool, rm -rf / -> An allowed tool with a destructive argument is still held.[false]
C06Allowed file tool, /etc/shadow -> A sensitive path is held.[false]
C07Allowed query tool, DROP TABLE -> A destructive query is held.[false]

Evidence links you can give your customers

Send this to your customer

Don't take our word for it. Verify MCPGate Boundary Appliance yourself:
1. Download the official CAIN-42 IHVRK: https://cainstudio.online/proof/bundle/ihvrk-kits/cain42-ihvrk-mcpgate-appliance.zip
   SHA-256: 00a38ebaf4bf041a93eea394c42fe05973fd0f6ae7b561677c6868740821e6c5
2. Unzip it and run: python3 verify.py --live   (Python 3, standard library only, no account)
3. Check the signing key fingerprint 1cacdfc1fc2024b6bb4f8fb02c7c80f4a57f44c5adb11c507190781b5d613de3
   matches https://cainstudio.online/evidence-kit-key.json, https://mcpgate.online/evidence-kit-key.json and https://clawx.click/evidence-kit-key.json
Live demo: https://cainstudio.online/guide-mcpgate-appliance-lab.html
What it does not do: https://cainstudio.online/guide-mcpgate-appliance-limits.html

What this kit is, and is not

It shows what the live product answered to these inputs, and lets anyone check that again. It is not a third-party audit, a certification, or a promise about inputs not listed. The product's limits page lists what it does not do.