LeanrIQ

Generate Studio-ready design briefs for one or more creatives, using campaign context, brand rules, audience, offer, and format constraints. When creative IDs and saveToStudio are supplied, LeanrIQ saves only when the caller has Studio write permission; otherwise it returns a non-destructive proposal. (deprecated alias)

leanriq_create_creative_brief

Idempotent

Generate Studio-ready design briefs for one or more creatives, using campaign context, brand rules, audience, offer, and format constraints. When creative IDs and saveToStudio are supplied, LeanrIQ saves only when the caller has Studio write permission; otherwise it returns a non-destructive proposal.. Deprecated alias for create_creative_brief. Classification: writes to Studio, creates billable AI usage. Execution: synchronous. Task support: forbidden. Mutation modes: validate_only, preview_only, execute. Partial failure policy: completed_items_not_rolled_back. The returned JSON is internal application state for LeanrIQ and ChatGPT orchestration. Use assistantSummary first when responding to the user. Never display raw JSON, data, or meta unless the user explicitly asks for raw JSON. Mention IDs only when useful for follow-up or debugging. Prefer concise, human language, highlight the most useful insight, and suggest the next best LeanrIQ action. If idempotencyKey is omitted on a mutation, the MCP layer derives a deterministic retry key from the tool and business arguments so an accidental identical replay cannot create duplicate work. For a mutation when more than one seat is authorised, seatId or seatName must be supplied on that exact tool call; a remembered or previously selected seat is not sufficient for a write.

Input Schema

Name	Required	Description
`brief`	No
`force`	No
`input`	No
`assets`	No
`prompt`	No
`seatId`	No
`taskId`	No
`assetId`	No
`outputs`	No	Optional editable/static JPEG/PNG delivery requirements. Studio persistence is required for static output.
`audience`	No
`campaign`	No
`creative`	No
`flightId`	No
`seatName`	No
`template`	No
`accountId`	No
`objective`	No
`advertiser`	No
`campaignId`	No
`creativeId`	No
`templateId`	No
`creativeIds`	No
`persistence`	No
`advertiserId`	No
`instructions`	No
`sourceLocale`	No
`targetMarket`	No
`contentLocale`	No
`marketContext`	No
`targetMarkets`	No
`contentLocales`	No
`idempotencyKey`	No
`requestedFormats`	No
`defaultContentLocale`	No
`marketLanguageProfile`	No
`resolvedContentLocale`	No
`skipTraffickedRebuild`	No
`languageVariantGroupId`	No
`requestedOutputLocales`	No
`supportedContentLocales`	No

Output Schema

Name	Required	Description	Default
`data`	Yes
`meta`	Yes
`error`	No
`status`	Yes
`assistantSummary`	Yes

Schema Changelog

Changes observed during successful MCP inspections.

Changed13 schema fields changedOct 13, 2026

addedInput schema / properties / contentLocale
```
Added value: +{
+  "type": "string"
+}
```

addedInput schema / properties / contentLocales

Added value: +{
+  "items": {
+    "type": "string"
+  },
+  "maxItems": 20,
+  "type": "array"
+}

addedInput schema / properties / defaultContentLocale
```
Added value: +{
+  "type": "string"
+}
```

addedInput schema / properties / languageVariantGroupId

Added value: +{
+  "maxLength": 160,
+  "minLength": 1,
+  "type": "string"
+}

addedInput schema / properties / marketContext

Added value: +{
+  "properties": {
+    "currency": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ]
+    },
+    "targetMarket": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ]
+    },
+    "targetMarkets": {
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    },
+    "timeZone": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ]
+    }
+  },
+  "type": "object"
+}

addedInput schema / properties / marketLanguageProfile

Added value: +{
+  "additionalProperties": {},
+  "propertyNames": {
+    "type": "string"
+  },
+  "type": "object"
+}

addedInput schema / properties / outputs

Added value: +{
+  "description": "Optional editable/static JPEG/PNG delivery requirements. Studio persistence is required for static output.",
+  "items": {
+    "anyOf": [
+      {
+        "additionalProperties": false,
+        "properties": {
+          "type": {
+            "const": "editable",
+            "type": "string"
+          }
+        },
+        "required": [
+          "type"
+        ],
+        "type": "object"
+      },
+      {
+        "additionalProperties": false,
+        "properties": {
+          "format": {
+            "enum": [
+              "jpeg",
+              "png"
+            ],
+            "type": "string"
+          },
+          "maxBytes": {
+            "exclusiveMinimum": 0,
+            "maximum": 9007199254740991,
+            "type": "integer"
+          },
+          "quality": {
+            "maximum": 100,
+            "minimum": 1,
+            "type": "integer"
+          },
+          "type": {
+            "const": "static",
+            "type": "string"
+          }
+        },
+        "required": [
+          "type"
+        ],
+        "type": "object"
+      },
+      {
+        "enum": [
+          "editable",
+          "static_jpeg",
+          "static_png"
+        ],
+        "type": "string"
+      }
+    ]
+  },
+  "maxItems": 8,
+  "type": "array"
+}

addedInput schema / properties / requestedOutputLocales

Added value: +{
+  "items": {
+    "type": "string"
+  },
+  "maxItems": 20,
+  "type": "array"
+}

addedInput schema / properties / resolvedContentLocale
```
Added value: +{
+  "type": "string"
+}
```
addedInput schema / properties / sourceLocale
```
Added value: +{
+  "type": "string"
+}
```

addedInput schema / properties / supportedContentLocales

Added value: +{
+  "items": {
+    "type": "string"
+  },
+  "maxItems": 20,
+  "type": "array"
+}

addedInput schema / properties / targetMarket

Added value: +{
+  "maxLength": 160,
+  "minLength": 1,
+  "type": "string"
+}

addedInput schema / properties / targetMarkets

Added value: +{
+  "items": {
+    "maxLength": 160,
+    "minLength": 1,
+    "type": "string"
+  },
+  "maxItems": 50,
+  "type": "array"
+}

First observedAug 12, 2026

TDQS

A4.3/5.0

Behavior5/5

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

Annotations only cover readOnly/destructive/idempotent; the description adds substantial context beyond them: writes to Studio, creates billable AI usage, synchronous execution, task support forbidden, mutation modes (validate_only/preview_only/execute), a partial-failure policy of completed_items_not_rolled_back, and the permission/seat preconditions for a write. This is exactly the kind of behavioral disclosure annotations cannot carry.

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?

Purpose is front-loaded, but the first two sentences duplicate the title verbatim, and the back half is generic orchestration boilerplate (assistantSummary guidance, raw-JSON rules, seat reminders) that is not specific to this tool. It is serviceable but carries noticeable redundancy.

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?

For a 40-parameter, permission-gated, billable mutation with a deprecated status, the description covers classification, idempotency behavior, seat requirements, partial-failure semantics, and response-handling guidance. An output schema exists, so return-value detail is correctly left out.

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 only 3% across 40 parameters, so the description must compensate and it does so for the highest-stakes ones: creativeIds, saveToStudio/persistence, seatId/seatName, and idempotencyKey. It leaves the bulk of the schema (market context, locales, targeting fields) unexplained, so it partially rather than fully compensates for the coverage gap.

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?

The first sentence states a specific verb and resource (generates Studio-ready design briefs for one or more creatives) plus the inputs that shape it (campaign context, brand rules, audience, offer, format constraints). The final sentence explicitly names the canonical sibling it aliases (create_creative_brief), so an agent can route correctly 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 Guidelines4/5

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

It states the operative condition clearly: saving to Studio happens only when creative IDs and saveToStudio are supplied AND the caller holds Studio write permission, otherwise a non-destructive proposal is returned. The 'Deprecated alias for create_creative_brief' line signals preference for the canonical tool, but it never explicitly says 'use create_creative_brief instead' or states when this alias should be chosen.

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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