cutoff-webmcp.vercel.app WebMCP audit

Rescan
audited Sep 2, 2026in 7s
87/ 100100% of the applicable check weight evaluated

4 tools registered. Strongest in shared experience, weakest in task completion.

Shared experience100
Task completion47
Tool quality100
Trust100
https://cutoff-webmcp.vercel.app
Captured view of https://cutoff-webmcp.vercel.app

Tools

1 read, 3 write
Loading map
get_order_context: pass

get_order_context

Reads the current restaurant supplier-order review. Returns guide, store, serviceDate, cutoffAt, deliveryAt, forecast, draft, lines, focusedSkuId, pins, signals, previewId, and revision.Answers a question. Declared read only.
pagehttps://cutoff-webmcp.vercel.app/
implementation
viaimperative
entry pointdocument
registered after133ms
executepresent
api surfaceTakes no parameters.
annotations
read onlytrue
untrusted contenttrue
titlenot declared
0 findingsNo check named this tool.
tool json
{
  "name": "get_order_context",
  "description": "Reads the current restaurant supplier-order review. Returns guide, store, serviceDate, cutoffAt, deliveryAt, forecast, draft, lines, focusedSkuId, pins, signals, previewId, and revision.",
  "inputSchema": {
    "type": "object",
    "properties": {},
    "additionalProperties": false
  },
  "annotations": {
    "readOnlyHint": true,
    "untrustedContentHint": true
  }
}
Showing get_order_context

Findings

Shared experience

100 / 100 · weight 30
passPage experience
weight 20
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 10
The person co-browsing can see and use this page - the same page the agent's tools act on.

Task completion

47 / 100 · weight 25
failTool selection
weight 15
An agent chose an existing tool and built a schema-valid call that held up on 1 of 3 canonical intents; on "Add a short summary paragraph at the top." no tool on the page served it. Nothing was executed, so this verifies selection, not outcomes.
warningCoverage vs. site type
weight 10
The tool set covers 2 of the 3 things an agent needs on a editor site; it cannot edit or write content.

Tool quality

100 / 100 · weight 25
passRegistration timing
weight 1
Every measured tool registered within 133ms of navigation.
toolsave_handoff_receipt
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 3 of 4 tool schemas that declare parameters describe them (the other 1 declares no parameters), and every description stays within Chrome's size guidance.
passNaming quality
weight 2
All 4 tool names are consistent, verb-led, and within Chrome's size guidance.
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 6
All 1 read-shaped tool declares readOnlyHint: true - the one declared claim that lets an agent treat a call as safe to make without asking.
passAnnotation mismatch
weight 6
No tool claims to be read-only while its own name or description says it writes (4 declared hints checked).
passUntrusted content hint
weight 4
All 1 tool that looks like it returns third-party text declares untrustedContentHint.
not applicableInjection surface
weight 4
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

33% across 3 intents
Open the document I was working on most recently.ok
choseget_order_contextexpected document openkind matched
arguments
{}
Add a short summary paragraph at the top.missed
choseno toolexpected content editkind not applicable
No tool was picked for this intent.
arguments
{}
Save it and give me a link I can share.missed
choseno toolexpected save or sharekind not applicable
No tool was picked for this intent.
arguments
{}
model: gemini-2.5-flash

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how this was captured
observed via
capture shim (Chromium 148.0.7778.96)
chrome
148.0.7778.96
capture shim
v2
spec snapshot
2026-08-26
mode
fast
pages
1 - entry page only
tools
4
run time
7s
finished
Sep 2, 2026
Checked the way in-browser agents discover tools: the top-level document's modelContext registry, read after the page settles.