Pages Websites

Page Lighthouse Laboratory Evidence

Page Lighthouse Laboratory Evidence. Bounded Lighthouse laboratory facts with explicit missing evidence. One submit and at most six fixed reads. Missing values are not zero. Prices and publication are unapproved. Successful owner-only results remain available in call history. Seven-day source-freshness rules apply only to dependent requests.

MCP tool name

nexscope_page_lighthouse

Legacy MCP endpoint

/api/skill-api/v1/mcp

JSON-RPC method

tools/call

Name

Type

Required

Description

data.result

object

required

Result value used by this API operation.

data.result.source

object

required

Source value used by this API operation.

data.result.source.provider

string

required

Provider value used by this API operation.

Constant: DATAFORSEO

data.result.source.product

string

required

Product value used by this API operation.

Constant: on_page

data.result.source.candidateId

string

required

Candidate id value used by this API operation.

Constant: MD-PW-15

data.result.source.sourceCallId

string | null

required

Source call id value used by this API operation.

data.result.source.sourceSchemaVersion

string | null

required

Source schema version value used by this API operation.

data.result.source.sourcePlanVersion

string | null

required

Source plan version value used by this API operation.

data.result.source.collectedAt

integer | null

required

Collected at value used by this API operation.

Minimum: 0

data.result.source.queriedAt

integer

required

Queried at value used by this API operation.

Minimum: 0

data.result.source.observationKind

string

required

Observation kind value used by this API operation.

Constant: LAB_RUN

data.result.coverage

object

required

Coverage value used by this API operation.

data.result.coverage.sampled

boolean

required

Sampled value used by this API operation.

Constant: true

data.result.coverage.maxCrawlPages

integer | null

required

Max crawl pages value used by this API operation.

Minimum: 0

data.result.coverage.pagesCrawled

integer | null

required

Pages crawled value used by this API operation.

Minimum: 0

data.result.coverage.stopReason

string | null

required

Stop reason value used by this API operation.

data.result.coverage.providerTotal

integer | null

required

Provider total value used by this API operation.

Minimum: 0

data.result.coverage.returnedCount

integer

required

Returned count value used by this API operation.

Minimum: 0

Maximum: 1

data.result.coverage.offset

integer

required

Offset value used by this API operation.

Constant: 0

data.result.coverage.limit

integer

required

Limit value used by this API operation.

Constant: 1

data.result.coverage.truncated

boolean

required

Truncated value used by this API operation.

data.result.coverage.invalidItemCount

integer

required

Invalid item count value used by this API operation.

Minimum: 0

data.result.items

array

required

Items value used by this API operation.

Maximum items: 1

data.result.items[]

object

required

Item in data result items.

data.result.items[].requestedUrl

string

required

Requested url value used by this API operation.

data.result.items[].finalUrl

string | null

required

Final url value used by this API operation.

data.result.items[].lighthouseVersion

string | null

required

Lighthouse version value used by this API operation.

data.result.items[].fetchTime

integer | null

required

Fetch time value used by this API operation.

Minimum: 0

data.result.items[].device

string

required

Device value used by this API operation.

Allowed: DESKTOP, MOBILE

data.result.items[].categories

object

required

Categories value used by this API operation.

data.result.items[].categories.performance

number | null

required

Performance value used by this API operation.

Minimum: 0

Maximum: 1

data.result.items[].categories.accessibility

number | null

required

Accessibility value used by this API operation.

Minimum: 0

Maximum: 1

data.result.items[].categories.bestPractices

number | null

required

Best practices value used by this API operation.

Minimum: 0

Maximum: 1

data.result.items[].categories.seo

number | null

required

Seo value used by this API operation.

Minimum: 0

Maximum: 1

data.result.items[].metrics

object

required

Metrics value used by this API operation.

data.result.items[].metrics.firstContentfulPaintMs

number | null

required

First contentful paint ms value used by this API operation.

Minimum: 0

data.result.items[].metrics.largestContentfulPaintMs

number | null

required

Largest contentful paint ms value used by this API operation.

Minimum: 0

data.result.items[].metrics.totalBlockingTimeMs

number | null

required

Total blocking time ms value used by this API operation.

Minimum: 0

data.result.items[].metrics.cumulativeLayoutShift

number | null

required

Cumulative layout shift value used by this API operation.

Minimum: 0

data.result.items[].metrics.speedIndexMs

number | null

required

Speed index ms value used by this API operation.

Minimum: 0

data.result.missingFields

array

required

Missing fields value used by this API operation.

data.result.missingFields[]

object

required

Item in data result missingFields.

data.result.missingFields[].field

string

required

Field value used by this API operation.

data.result.missingFields[].reason

string

required

Reason value used by this API operation.

Allowed: UPSTREAM_FIELD_MISSING, UPSTREAM_FIELD_INVALID, DUPLICATE_UPSTREAM_ITEM, UPSTREAM_ITEM_MISSING

data.result.warnings

array

required

Warnings value used by this API operation.

data.result.warnings[]

string

required

Item in data result warnings.

Name

Type

Required

Description

data.result

null

required

Result value used by this API operation.

Page Lighthouse Laboratory Evidence

Page Lighthouse Laboratory Evidence

Authentication

Call this MCP tool

Asynchronous task workflow

Arguments

Response fields

Any of option 1

One of option 1 — requires callId, status, result

Examples

Example arguments

Example structuredContent

Any of option 1 — requires source, coverage, items, missingFields, warnings

Any of option 2

One of option 2 — requires callId, status, reason, retryable

Any of option 2

Name	Type	Required	Description
`data`	`any`	required	Data value used by this API operation.
`code`	`integer`	required	0 means accepted or successful; nonzero is a platform error.
`msg`	`string \| null`	required	Msg value used by this API operation.
`ts`	`string`	required	Epoch milliseconds.
`time`	`string`	required	Server local time: yyyy-MM-dd HH:mm:ss.
`cost`	`string`	required	Elapsed milliseconds, never credits; -1 outside web requests.
`traceId`	`string \| null`	required	Trace id value used by this API operation.

IMPORTANT ASYNCHRONOUS TASK WORKFLOW

Page Lighthouse Laboratory Evidence

IMPORTANT ASYNCHRONOUS TASK WORKFLOW

Page Lighthouse Laboratory Evidence

Authentication

Call this MCP tool

Asynchronous task workflow

Arguments

Response fields

Any of option 1

One of option 1 — requires callId, status, result

Examples

Example arguments

Example structuredContent

Related MCP tools

Any of option 1 — requires source, coverage, items, missingFields, warnings

Any of option 2

One of option 2 — requires callId, status, reason, retryable

Any of option 2