SEO GSC Wizard MCP

GA4 traffic from AI assistants

get_ga4_llm_traffic

Read-only

Use this when the user asks how much traffic AI assistants such as ChatGPT send to the site. Sessions, engagement, conversions (key events) and revenue referred to the site by ChatGPT, Perplexity, Microsoft Copilot, Google Gemini, Claude and 13 other AI assistants (identified by referrer domain and combined with GA4's own "AI Assistant" channel), from the GA4 property linked to the site, with the share of total traffic they represent and per-assistant and per-landing-page breakdowns, both sorted by sessions, highest first (sourceTimeseries by date). Not for every referral source: use query_ga4_report (dimension sourceMedium). Note: Google AI Overviews / AI Mode traffic carries no distinct referrer, is indistinguishable from google/organic, and is NOT included. llmShareOfSessions, engagementRate and bounceRate are fractions 0-1, not percentages. An assistant's activeUsers adds up its referrer domains (e.g. chatgpt.com + chat.openai.com), so a user who came through two of them counts twice; summary.activeUsers is exact. Returns a notConfigured result when Google Analytics is not connected or no GA4 property is linked. Date range is optional: omit startDate/endDate to analyze the last 28 settled days (data lags ~2-3 days).

Input Schema

Name	Required	Description
`limit`	No	Maximum number of landing page rows returned.
`endDate`	No	Optional. Window end as YYYY-MM-DD (e.g. 2026-05-31). You do NOT need to know today's date or the latest available date: omit this and the server uses the latest settled Search Console date (data lags ~2-3 days behind today). Never pass null or the string "null".
`siteUrl`	Yes
`startDate`	No	Optional. Window start as YYYY-MM-DD (e.g. 2026-05-03). You do NOT need to know today's date. Omit BOTH startDate and endDate to analyze the last 28 settled days automatically (Search Console data lags ~2-3 days). Never pass null or the string "null".
`comparisonEndDate`	No	Optional. End of the comparison period as YYYY-MM-DD. Provide BOTH comparison dates to compare two periods; omit both for no comparison (prev* fields are then 0 and hasComparison false).
`includeDailySplit`	No	Include a per-assistant daily sessions split for the current period.
`comparisonStartDate`	No	Optional. Start of the comparison period as YYYY-MM-DD. Provide BOTH comparison dates to compare two periods; omit both for no comparison (prev* fields are then 0 and hasComparison false).

Output Schema

Name	Required	Description
`hint`	No
`kind`	No	Widget variant: "kpis", "table", or "sections".
`kpis`	No	KPI cards (kind="kpis").
`note`	No	Caveat about the result, when the tool returned one.
`rows`	No	Data rows (kind="table").
`notes`	No	Caveats about the result, when the tool returned several.
`scope`	No	The brand, content group or topic cluster filter these numbers are narrowed to; absent when the call was unscoped and the numbers cover the whole property.
`title`	No
`blocks`	No	Stacked sub-blocks (kind="sections").
`reason`	No
`source`	No
`thenBy`	No	Secondary sort field, when the tool states one.
`account`	No
`columns`	No	Column defs (kind="table").
`warning`	No	A caveat that changes how the numbers read.
`coverage`	No	How much of the property total the returned rows cover, with the property totals inline. Quote totals from here; do not sum the rows.
`nextStep`	No
`ordering`	No	Sort order per list, when the result holds several lists.
`sortedBy`	No	Row field the rows are sorted by.
`timeZone`	No	GA4 property's IANA reporting time zone.
`emptyText`	No
`siteScope`	No	Set when GA4 numbers were narrowed to this site's hostnames because the property is shared with other sites.
`sortOrder`	No	"asc" or "desc".
`thenOrder`	No	The tie-break's direction, present only when it differs from sortOrder.
`partialDays`	No	Requested days after settledThrough; their numbers are still incomplete.
`dataMaturity`	No
`emptyBecause`	No
`methodLimits`	No
`notConfigured`	No
`reauthRequired`	No
`settledThrough`	No	Last day the data is complete through.
`comparisonHasData`	No	false when the comparison period has no data at all, so there is no comparison.
`coverageUnavailable`	No	Why coverage is null, when it is.

Schema Changelog

Changes observed during successful MCP inspections.

Changed21 schema fields changedOct 18, 2026

changedOutput schema / additionalProperties
```
Previous value: -falseNew value: +true
```

addedOutput schema / properties / account

Added value: +{
+  "$ref": "#/properties/title"
+}

addedOutput schema / properties / coverage

Added value: +{
+  "description": "How much of the property total the returned rows cover, with the property totals inline. Quote totals from here; do not sum the rows."
+}

addedOutput schema / properties / coverageUnavailable

Added value: +{
+  "$ref": "#/properties/kind",
+  "description": "Why coverage is null, when it is."
+}

changedOutput schema / properties / dataMaturity / anyOf

Previous value: -[
-  {
-    "additionalProperties": false,
-    "properties": {
-      "dateBasis": {
-        "$ref": "#/properties/title"
-      },
-      "firstIncompleteDate": {
-        "$ref": "#/properties/title"
-      },
-      "note": {
-        "$ref": "#/properties/title"
-      },
-      "probe": {
-        "anyOf": [
-          {
-            "additionalProperties": false,
-            "properties": {
-              "dataState": {
-                "$ref": "#/properties/title"
-              },
-              "endDate": {
-                "$ref": "#/properties/title"
-              },
-              "searchType": {
-                "$ref": "#/properties/title"
-              },
-              "startDate": {
-                "$ref": "#/properties/title"
-              }
-            },
-            "type": "object"
-          },
-          {
-            "type": "null"
-          }
-        ]
-      },
-      "settledThrough": {
-        "$ref": "#/properties/title"
-      },
-      "source": {
-        "$ref": "#/properties/title"
-      },
-      "warehouseCutoff": {
-        "$ref": "#/properties/title"
-      }
-    },
-    "type": "object"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "additionalProperties": true,
+    "properties": {
+      "dateBasis": {
+        "$ref": "#/properties/title"
+      },
+      "firstIncompleteDate": {
+        "$ref": "#/properties/title"
+      },
+      "note": {
+        "$ref": "#/properties/title"
+      },
+      "probe": {
+        "anyOf": [
+          {
+            "additionalProperties": true,
+            "properties": {
+              "dataState": {
+                "$ref": "#/properties/title"
+              },
+              "endDate": {
+                "$ref": "#/properties/title"
+              },
+              "searchType": {
+                "$ref": "#/properties/title"
+              },
+              "startDate": {
+                "$ref": "#/properties/title"
+              }
+            },
+            "type": "object"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      },
+      "settledThrough": {
+        "$ref": "#/properties/title"
+      },
+      "source": {
+        "$ref": "#/properties/title"
+      },
+      "warehouseCutoff": {
+        "$ref": "#/properties/title"
+      }
+    },
+    "type": "object"
+  },
+  {
+    "type": "null"
+  }
+]

addedOutput schema / properties / emptyBecause

Added value: +{
+  "$ref": "#/properties/title"
+}

addedOutput schema / properties / hint

Added value: +{
+  "$ref": "#/properties/title"
+}

addedOutput schema / properties / methodLimits

Added value: +{
+  "$ref": "#/properties/title"
+}

addedOutput schema / properties / nextStep

Added value: +{
+  "$ref": "#/properties/title"
+}

addedOutput schema / properties / notConfigured

Added value: +{
+  "$ref": "#/properties/comparisonHasData"
+}

addedOutput schema / properties / ordering

Added value: +{
+  "anyOf": [
+    {
+      "additionalProperties": {
+        "additionalProperties": true,
+        "properties": {
+          "sortOrder": {
+            "$ref": "#/properties/title"
+          },
+          "sortedBy": {
+            "$ref": "#/properties/title"
+          },
+          "thenBy": {
+            "$ref": "#/properties/title"
+          },
+          "thenOrder": {
+            "$ref": "#/properties/title"
+          }
+        },
+        "type": "object"
+      },
+      "type": "object"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "description": "Sort order per list, when the result holds several lists."
+}

addedOutput schema / properties / partialDays

Added value: +{
+  "$ref": "#/properties/siteScope/anyOf/0/properties/hostnames",
+  "description": "Requested days after settledThrough; their numbers are still incomplete."
+}

addedOutput schema / properties / reason

Added value: +{
+  "$ref": "#/properties/title"
+}

addedOutput schema / properties / reauthRequired

Added value: +{
+  "$ref": "#/properties/notConfigured"
+}

addedOutput schema / properties / scope

Added value: +{
+  "anyOf": [
+    {
+      "additionalProperties": true,
+      "properties": {
+        "brand": {
+          "$ref": "#/properties/kind",
+          "description": "\"branded\" or \"non_branded\"."
+        },
+        "brandKeywordsSkipped": {
+          "$ref": "#/properties/siteScope/anyOf/0/properties/hostnames",
+          "description": "Branded keywords that could not be compiled and were left out of the filter."
+        },
+        "contentGroup": {
+          "anyOf": [
+            {
+              "additionalProperties": true,
+              "properties": {
+                "id": {
+                  "$ref": "#/properties/title"
+                },
+                "name": {
+                  "$ref": "#/properties/title"
+                }
+              },
+              "type": "object"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        },
+        "topicCluster": {
+          "anyOf": [
+            {
+              "additionalProperties": true,
+              "properties": {
+                "id": {
+                  "$ref": "#/properties/title"
+                },
+                "name": {
+                  "$ref": "#/properties/title"
+                }
+              },
+              "type": "object"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        }
+      },
+      "type": "object"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "description": "The brand, content group or topic cluster filter these numbers are narrowed to; absent when the call was unscoped and the numbers cover the whole property."
+}

changedOutput schema / properties / siteScope / anyOf

Previous value: -[
-  {
-    "additionalProperties": false,
-    "properties": {
-      "hostnames": {
-        "anyOf": [
-          {
-            "items": {
-              "type": "string"
-            },
-            "type": "array"
-          },
-          {
-            "type": "null"
-          }
-        ]
-      },
-      "includesSubdomainsOf": {
-        "$ref": "#/properties/title"
-      },
-      "note": {
-        "$ref": "#/properties/title"
-      },
-      "sharedWithSites": {
-        "$ref": "#/properties/siteScope/anyOf/0/properties/hostnames"
-      }
-    },
-    "type": "object"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "additionalProperties": true,
+    "properties": {
+      "hostnames": {
+        "anyOf": [
+          {
+            "items": {
+              "type": "string"
+            },
+            "type": "array"
+          },
+          {
+            "type": "null"
+          }
+        ]
+      },
+      "includesSubdomainsOf": {
+        "$ref": "#/properties/title"
+      },
+      "note": {
+        "$ref": "#/properties/title"
+      },
+      "sharedWithSites": {
+        "$ref": "#/properties/siteScope/anyOf/0/properties/hostnames"
+      }
+    },
+    "type": "object"
+  },
+  {
+    "type": "null"
+  }
+]

addedOutput schema / properties / sortOrder

Added value: +{
+  "$ref": "#/properties/kind",
+  "description": "\"asc\" or \"desc\"."
+}

addedOutput schema / properties / sortedBy

Added value: +{
+  "$ref": "#/properties/kind",
+  "description": "Row field the rows are sorted by."
+}

addedOutput schema / properties / thenBy

Added value: +{
+  "$ref": "#/properties/kind",
+  "description": "Secondary sort field, when the tool states one."
+}

addedOutput schema / properties / thenOrder

Added value: +{
+  "$ref": "#/properties/kind",
+  "description": "The tie-break's direction, present only when it differs from sortOrder."
+}

addedOutput schema / properties / warning

Added value: +{
+  "$ref": "#/properties/kind",
+  "description": "A caveat that changes how the numbers read."
+}

Changed4 schema fields changedOct 7, 2026

addedOutput schema / properties / comparisonHasData

Added value: +{
+  "description": "false when the comparison period has no data at all, so there is no comparison.",
+  "type": [
+    "boolean",
+    "null"
+  ]
+}

addedOutput schema / properties / note

Added value: +{
+  "$ref": "#/properties/kind",
+  "description": "Caveat about the result, when the tool returned one."
+}

addedOutput schema / properties / notes

Added value: +{
+  "$ref": "#/properties/siteScope/anyOf/0/properties/hostnames",
+  "description": "Caveats about the result, when the tool returned several."
+}

addedOutput schema / properties / siteScope

Added value: +{
+  "anyOf": [
+    {
+      "additionalProperties": false,
+      "properties": {
+        "hostnames": {
+          "anyOf": [
+            {
+              "items": {
+                "type": "string"
+              },
+              "type": "array"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        },
+        "includesSubdomainsOf": {
+          "$ref": "#/properties/title"
+        },
+        "note": {
+          "$ref": "#/properties/title"
+        },
+        "sharedWithSites": {
+          "$ref": "#/properties/siteScope/anyOf/0/properties/hostnames"
+        }
+      },
+      "type": "object"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "description": "Set when GA4 numbers were narrowed to this site's hostnames because the property is shared with other sites."
+}

First observedOct 7, 2026

TDQS

A4.5/5.0

Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Goes well beyond the readOnly/openWorld annotations: it warns that llmShareOfSessions, engagementRate and bounceRate are fractions 0-1 not percentages, that per-assistant activeUsers double-counts users across referrer domains while summary.activeUsers is exact, that a notConfigured result is returned when GA4 is not connected or no property is linked, and that data lags ~2-3 days. These are non-obvious behavioral caveats an agent could not infer from structured fields.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness3/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The when-to-use clause is correctly front-loaded, but the core is a single enormous run-on sentence packing metrics, breakdowns, sorting, caveats and exclusions together, which is hard to parse. Every fact earns its place, yet the structure is dense and could be split for readability.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

An output schema exists, so return-shape explanation is not required, yet the description still supplies the calling-critical context: default window, data lag, the notConfigured failure mode, and the double-counting caveat. Nothing an agent needs in order to invoke and interpret this tool correctly is missing.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 86%, so the schema already documents limit, the date fields, the comparison-date pairing, and includeDailySplit. The description's date-range note ('omit startDate/endDate to analyze the last 28 settled days') largely restates the schema, and its fraction caveat concerns output rather than parameters. It adds little beyond what the schema provides.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb+resource (traffic from AI assistants to the site) and enumerates exactly what is measured: sessions, engagement, conversions/key events, revenue, per-assistant and per-landing-page breakdowns. It names the sibling it is not (query_ga4_report with dimension sourceMedium), so an agent can distinguish it without opening either schema.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicit when-to-use trigger ('when the user asks how much traffic AI assistants such as ChatGPT send to the site') plus an explicit when-not with the alternative ('Not for every referral source: use query_ga4_report'). It also carves out a scope exclusion (Google AI Overviews/AI Mode traffic is not included because it is indistinguishable from google/organic).

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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