eworker.ca WebMCP audit

Rescan
audited Aug 28, 2026in 5s
49/ 100

4 tools registered. Strongest in WebMCP use, weakest in human experience.

WebMCP use80
Usefulness30
Human experience0
about:blank

No agent run recorded yet.

No steps recorded

Tools

/
eworker_site_status: warning

eworker_site_status

Read the public E-Worker identity, root route, available root WebMCP capabilities, and public app count.Answers a question. Declared read only.
pagehttps://eworker.ca/
implementation
viaimperative
entry pointdocument
registered after352ms
executepresent
api surfaceTakes no parameters.
annotations
read onlytrue
destructivefalse
idempotenttrue
open worldfalse
untrusted contentfalse
titlenot declared
2 findings
warningNaming quality
1 / 2
Tool naming makes selection harder than it needs to be: 4 names do not start with a verb (eworker_site_status).
fix
{ name: "eworker_site_status" /* short, unique, verb-based */ }
warningHuman parity
0 / 8
4 of 4 tools run through the JavaScript API with no visible counterpart, so the person co-browsing cannot see what the agent is offered. Declarative forms (or at least a title annotation) close the gap.
eworker_site_status, eworker_list_apps, eworker_resolve_app, eworker_open_app
fix
<!-- Give the tool a visible counterpart: a declarative form is one the person can see and use too. -->
<form toolname="eworker_site_status" tooldescription="...">
  <!-- the same action, as UI -->
</form>
tool json
{
  "name": "eworker_site_status",
  "description": "Read the public E-Worker identity, root route, available root WebMCP capabilities, and public app count.",
  "inputSchema": {
    "type": "object",
    "properties": {},
    "required": [],
    "additionalProperties": false
  },
  "annotations": {
    "readOnlyHint": true,
    "destructiveHint": false,
    "idempotentHint": true,
    "openWorldHint": false,
    "untrustedContentHint": false
  }
}
Showing eworker_site_status

Findings

WebMCP use

80 / 100 · weight 50
passTools registered
4 / 4
4 tools registered across 1 page.
failReal-browser eligible
0 / 8
The page's code registers these tools, but a real visitor's browser does not get them yet: WebMCP needs a native modelContext or a current origin trial token, and this page has neither.
passRegistration timing
4 / 4
Every measured tool registered within 352.40000009536743ms of navigation.
tooleworker_list_apps
passCanonical entry point
4 / 4
All 4 tools register on the canonical document.modelContext entry point.
passSchema validity
5 / 5
All 4 tools declare a structurally valid object input schema.
passSchema quality
4 / 4
All 4 tool schemas describe their parameters and stay within Chrome's size guidance.
passStub detection
5 / 5
All 4 tools declare an execute handler.
passAnnotations present
4 / 4
All 4 tools declare a readOnlyHint, so an agent knows which calls change state.
passAnnotation mismatch
3 / 3
No tool claims to be read-only while its name says it writes (4 declared hints checked).
not applicableUntrusted content hint
0 / 2
No tool's contract suggests it returns text written by somebody other than the site, so there is nothing to flag as untrusted.
passRegistration errors
2 / 2
No tool registration threw during the capture.
warningToolchange coherence
1 / 2
4 tools were registered but the page never dispatched a toolchange event, so an agent subscribed to registry updates never learns they exist.
fix
document.modelContext.dispatchEvent(new Event("toolchange"));
not applicableInjection surface
0 / 3
The injection-surface model hop returned no usable result, so tool contracts were not reviewed for injection surface.

Usefulness

30 / 100 · weight 30
warningNaming quality
1 / 2
Tool naming makes selection harder than it needs to be: 4 names do not start with a verb (eworker_site_status).
tooleworker_site_status
fix
{ name: "eworker_site_status" /* short, unique, verb-based */ }
not applicableDescription quality
0 / 6
The description-quality model hop returned no usable result, so descriptions were not rated.
not applicableTool selection
0 / 14
The tool-selection model hop returned no usable result.
failCoverage vs. site type
2 / 8
The tool set covers 1 of the 4 things an agent needs on a saas site; it cannot read one item in detail or create a record or start a job or update or move an existing record.

Human experience

0 / 100 · weight 20
warningHuman parity
0 / 8
4 of 4 tools run through the JavaScript API with no visible counterpart, so the person co-browsing cannot see what the agent is offered. Declarative forms (or at least a title annotation) close the gap.
tooleworker_site_status
eworker_site_status, eworker_list_apps, eworker_resolve_app, eworker_open_app
fix
<!-- Give the tool a visible counterpart: a declarative form is one the person can see and use too. -->
<form toolname="eworker_site_status" tooldescription="...">
  <!-- the same action, as UI -->
</form>
not applicablePage experience
0 / 12
The page-experience model hop returned no usable result, so the page was not graded.

Tool selection

The tool-selection model hop returned no usable result.
how this was captured
chrome
148.0.7778.96
capture shim
v1
spec snapshot
2026-08
mode
fast
pages
1
tools
4
run time
5s
finished
Aug 28, 2026