gc.ai WebMCP audit

Rescan
audited Nov 10, 2026in 11s
99/ 100100% of the applicable check weight evaluated

4 tools registered. Strongest in shared experience, weakest in tool quality.

Shared experience100
Tool selection100
Tool quality98
Trust100
https://gc.ai
Captured view of https://gc.ai

Tools

2 read, 0 write, 2 undeclared
Loading map
search_site: pass

search_site

Search GC AI's website (product pages, blog, customer stories, clause library, webinars) and return the best-matching pages with their URLs.Answers a question. Declared read only.
pagehttps://gc.ai/
implementation
viaimperative
entry pointdocument
registered after638ms
executepresent
api surface
queryrequired
annotations
read onlytrue
untrusted contentnot declared
titleSearch gc.ai
0 findingsNo check named this tool.
tool json
{
  "name": "search_site",
  "description": "Search GC AI's website (product pages, blog, customer stories, clause library, webinars) and return the best-matching pages with their URLs.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "query": {
        "type": "string",
        "description": "What to search for."
      }
    },
    "required": [
      "query"
    ]
  },
  "annotations": {
    "readOnlyHint": true
  }
}
Showing search_site

Findings

Shared experience

100 / 100 · weight 30
not applicableVisible effect
weight 6
Not invoked on this run: this audit did not call any tool. Scheduled re-audits only read the registry; a live audit from the report page calls the tools that declare readOnlyHint: true and not consequentialHint: true.
passPage experience
weight 16
The page a person sees holds up next to the agent surface: a working interface, visible actions, readable content, nothing in the way.
passHuman parity
weight 8
The person co-browsing can see and use this page - the same page the agent's tools act on.

Tool selection

100 / 100 · weight 25
not applicableInvoke success rate
weight 6
Not invoked on this run: this audit did not call any tool. Scheduled re-audits only read the registry; a live audit from the report page calls the tools that declare readOnlyHint: true and not consequentialHint: true.
passTool selection
weight 12
An agent chose an existing, callable tool and built a schema-valid call for all 3 canonical intents, each matching the kind of tool its intent needs. Nothing was executed, so this verifies selection, not outcomes.
not applicableCoverage vs. site type
weight 7
This tool set does not place the site in a category with a known expected tool shape, so there is no coverage baseline to score it against.

Tool quality

98 / 100 · weight 25
passRegistration timing
weight 1
Every measured tool registered within 638ms of navigation.
toolopen_pricing
passCanonical entry point
weight 3
All 4 tools register on the canonical document.modelContext entry point.
passSchema validity
weight 4
All 4 declared input schemas are structurally valid object schemas.
passSchema quality
weight 4
All 1 of 4 tool schemas that declare parameters describe them (the other 3 declare no parameters), and every description stays within Chrome's size guidance.
warningNaming quality
weight 2
Tool naming makes selection harder than it needs to be: 2 names do not start with a verb (open_pricing).
toolopen_pricing
fix
{ name: "open_pricing" /* short, unique, verb-based */ }
passStub detection
weight 4
All 4 tools declare an execute handler.
passRegistration errors
weight 2
No tool registration threw during the capture.
passDescription quality
weight 5
All 4 rated tool descriptions say what the tool does, when to use it, and what it returns.

Trust

100 / 100 · weight 20
passAnnotations present
weight 4
All 2 read-shaped tools declare readOnlyHint: true - the one declared claim that lets an agent treat a call as safe to make without asking.
passAnnotation mismatch
weight 4
No tool claims to be read-only while its own name or description says it writes (2 declared hints checked).
not applicableUntrusted content hint
weight 3
No tool's contract suggests it returns text written by somebody other than the site, so there is nothing to flag as untrusted.
not applicableConsequential hint
weight 3
No tool name reads like a consequential action (a purchase, a booking, a payment, a transfer, a deletion), so there is no consequentialHint to expect.
not applicableHint vs. observed
weight 3
Not invoked on this run: this audit did not call any tool. Scheduled re-audits only read the registry; a live audit from the report page calls the tools that declare readOnlyHint: true and not consequentialHint: true.
not applicableInjection surface
weight 3
No tool's metadata carries instruction-shaped text aimed at the agent reading it. This check only ever flags; it never credits a site.

Tool selection

100% across 3 intents
I want to search site on this site.ok
chosesearch_siteexpected search sitekind matched
arguments
{
  "query": ""
}
I want to open pricing on this site.ok
choseopen_pricingexpected open pricingkind matched
arguments
{}
I want to get llms txt on this site.ok
choseget_llms_txtexpected get llms txtkind matched
arguments
{}
model: gemini-2.5-flash

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how this was captured
observed via
capture shim (Chromium 151.0.7922.34)
chrome
151.0.7922.34
capture shim
v3
spec snapshot
2026-11-10
mode
fast
pages
1 - entry page only
tools
4
invoked
not invoked; a live audit calls them
run time
11s
finished
Nov 10, 2026
Checked the way in-browser agents discover tools: the top-level document's modelContext registry, read after the page settles.