AdsAgent — Meta Ads MCP

mmp_insights_query_product_cohort

Read-only

Read cohorts; channel_pid required

Input Schema

TableJSON Schema

Name	Required	Description	Default
`date_to`	Yes
`date_from`	Yes
`event_keys`	No
`channel_pid`	Yes
`product_ref`	No
`product_name`	No
`connection_context`	No

Output Schema

TableJSON Schema

Name	Required	Description	Default
`message`	No
`retryable`	No
`support_ref`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed6 schema fields changedOct 15, 2026
- addedOutput schema / then / properties / category
```
Added value: +{
+  "type": "string"
+}
```
- addedOutput schema / then / properties / expected
```
Added value: +{
+  "type": "boolean"
+}
```
- addedOutput schema / then / properties / failure_kind
```
Added value: +{
+  "type": "string"
+}
```
- addedOutput schema / then / properties / responsibility_hint
```
Added value: +{
+  "type": "string"
+}
```
- addedOutput schema / then / properties / route
```
Added value: +{
+  "type": "string"
+}
```
- addedOutput schema / then / properties / user_visible
```
Added value: +{
+  "type": "boolean"
+}
```
Changed1 schema field changedOct 13, 2026
- addedInput schema / properties / connection_context
```
Added value: +{
+  "pattern": "^mctx_v1_[0-9a-f]{64}$",
+  "type": "string"
+}
```

Changed2 schema fields changedSep 11, 2026

addedOutput schema / $defs / sa

Added value: +{
+  "properties": {
+    "can_report_stored_total": {
+      "type": "boolean"
+    },
+    "reason": {
+      "type": "string"
+    },
+    "zero_proven": {
+      "type": "boolean"
+    }
+  },
+  "required": [
+    "can_report_stored_total",
+    "zero_proven",
+    "reason"
+  ],
+  "type": "object"
+}

addedOutput schema / else / properties / read_evidence

Added value: +{
+  "description": "Proofs apply independently to returned metrics and scope as stored/observed. A new read_ref is a call identifier, never a source watermark. False or missing proof means unknown, not zero. Fingerprints correlate requests/results in audits; they are not authorization or pagination tokens.",
+  "properties": {
+    "artifact_returned": {
+      "type": "boolean"
+    },
+    "configuration": {
+      "properties": {
+        "account_inventory_enumerated": {
+          "const": false
+        },
+        "all_campaigns_paused_proven": {
+          "const": false
+        },
+        "requested_ids_complete": {
+          "type": "boolean"
+        },
+        "scope": {
+          "const": "requested_entity_ids_only"
+        }
+      },
+      "type": "object"
+    },
+    "mmp": {
+      "properties": {
+        "can_report_scoped_totals": {
+          "type": "boolean"
+        },
+        "provider_cache_max_age_seconds": {
+          "const": 90
+        },
+        "reason": {
+          "type": "string"
+        },
+        "scope": {
+          "const": "linked_apps_queried_channels_and_windows"
+        },
+        "source_observed_at": {
+          "type": "null"
+        }
+      },
+      "type": "object"
+    },
+    "read_ref": {
+      "pattern": "^read_[0-9a-f]{32}$",
+      "type": "string"
+    },
+    "request_fingerprint": {
+      "type": "string"
+    },
+    "result_fingerprint": {
+      "type": "string"
+    },
+    "scopes": {
+      "items": {
+        "properties": {
+          "all_campaigns_paused_proven": {
+            "const": false
+          },
+          "funnel": {
+            "additionalProperties": {
+              "$ref": "#/$defs/sa"
+            },
+            "maxProperties": 32,
+            "type": "object"
+          },
+          "index": {
+            "type": "integer"
+          },
+          "inventory_anchor": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "inventory_coverage": {
+            "type": "string"
+          },
+          "inventory_source_observed_at": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "metrics": {
+            "additionalProperties": {
+              "$ref": "#/$defs/sa"
+            },
+            "type": "object"
+          },
+          "metrics_source_observed_at": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "range_complete": {
+            "type": [
+              "boolean",
+              "null"
+            ]
+          },
+          "scope": {
+            "const": "stored_query"
+          }
+        },
+        "type": "object"
+      },
+      "maxItems": 10,
+      "type": "array"
+    }
+  },
+  "required": [
+    "read_ref",
+    "request_fingerprint",
+    "result_fingerprint"
+  ],
+  "type": "object"
+}

First observedSep 9, 2026

TDQS

C2.4/5.0

Behavior2/5

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

Annotations already declare readOnlyHint=true, destructiveHint=false, and openWorldHint=false, so the safety profile is covered structurally. The description adds nothing beyond that — no note on what a cohort query returns, rate limits, connection_context handling, or auth needs — so it contributes essentially no behavioral context.

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?

Two short clauses, front-loaded, with no padding — but the second clause duplicates the schema's required field and the whole thing is under-specified rather than tight. Brevity here reflects missing content, not efficiency.

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

Completeness2/5

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

An output schema exists so return values needn't be described, but for a 7-parameter analytics query with 0% schema coverage and no usage guidance, the description is far too thin. An agent cannot determine what a "cohort" is, how the date range is interpreted, or how this differs from its MMP siblings.

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

Parameters2/5

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

Schema description coverage is 0% across 7 parameters, so the description carries the full burden and largely fails it. It only echoes that channel_pid is required, which is already encoded in the schema's required array, leaving date_from/date_to, event_keys, product_ref, product_name, and connection_context completely unexplained.

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

Purpose3/5

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

"Read cohorts" names a verb and a resource, so the basic action is inferable, but "cohorts" is undefined and the description does nothing to distinguish this from close siblings such as mmp_insights_query_product_event_summary or mmp_insights_get_product_today. It is a vague-but-not-tautological purpose statement.

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

Usage Guidelines2/5

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

"channel_pid required" is a restatement of the schema's required list, not usage guidance. There is no statement of when to pick this tool over the sibling MMP insight queries, no prerequisites, and no exclusions.

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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