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MCP Attestor: figures & benchmarks

Evidence for MCP Attestor: 1. Evidence pack · 2. Answers to buyer questions · 3. Figures & benchmarks · 4. Selling tools · IHVRK kit · Learn it · why these pages exist

Every number on this page is read from the signed transcript inside the IHVRK kit; none is typed in by hand.

5/5

claims matched when recorded

3

attack cases refused or flagged as claimed

83 ms

median round trip (min 41, max 1664), incl. network

#KindClaimRecorded valueHTTPms
C01controlA calculator that really adds -> Clean."REAL"20086
C02attackA description with a hidden instruction -> Prompt injection in the description."STUB"20083
C03attackA command parameter that exposes a secret -> Unconstrained parameter."PARTIAL"20051
C04controlA 'search' that ignores the query (scan only) -> The scan alone cannot see this: its description is fine. That is why the probe below exists."REAL"20041
C05attackProbe the canned search, then prove the fix -> Behaviour tests fail on the canned tool (same answer for different queries) and pass on the fixed one."VERIFIED_ATTESTATION"2001664

Copy the table (paste into a spreadsheet)

id	kind	claim	recorded_value	expected	http	ms	recorded_at
C01	control	A calculator that really adds -> Clean.	"REAL"	["REAL"]	200	86	2026-11-03T22:52:01+00:00
C02	attack	A description with a hidden instruction -> Prompt injection in the description.	"STUB"	["STUB"]	200	83	2026-11-03T22:52:02+00:00
C03	attack	A command parameter that exposes a secret -> Unconstrained parameter.	"PARTIAL"	["PARTIAL"]	200	51	2026-11-03T22:52:02+00:00
C04	control	A 'search' that ignores the query (scan only) -> The scan alone cannot see this: its description is fine. That is why the probe below exists.	"REAL"	["REAL"]	200	41	2026-11-03T22:52:03+00:00
C05	attack	Probe the canned search, then prove the fix -> Behaviour tests fail on the canned tool (same answer for different queries) and pass on the fixed one.	"VERIFIED_ATTESTATION"	["VERIFIED_ATTESTATION"]	200	1664	2026-11-03T22:52:05+00:00

Download: figures.tsv · transcript.json (full answers) · whole kit

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