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Check generated images

imageGenerationList
Read-onlyIdempotent

Read recent native image batches for an owned plan: queued/running/final outcomes, owned asset IDs, credit reservations and authoritative settled costs. Unknown cost stays null and needs_review is not success.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "planPublicId": "<planPublicId>"
    },
    "name": "imageGenerationList"
  }
}

Input Schema

NameRequiredDescriptionDefault
planPublicIdYes

Output Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • changedOutput schema / $defs / __schema0 / properties / createdAt / minimum
      Previous value: --9007199254740991New value: +0
  2. Changed1 schema field changed
    • changedOutput schema / oneOf
      Previous value: -[
      -  {
      -    "additionalProperties": false,
      -    "properties": {
      -      "ok": {
      -        "const": true,
      -        "type": "boolean"
      -      },
      -      "output": {
      -        "additionalProperties": false,
      -        "properties": {
      -          "batches": {
      -            "items": {
      -              "$ref": "#/$defs/__schema0"
      -            },
      -            "maxItems": 20,
      -            "type": "array"
      -          },
      -          "enabled": {
      -            "type": "boolean"
      -          }
      -        },
      -        "required": [
      -          "batches",
      -          "enabled"
      -        ],
      -        "type": "object"
      -      },
      -      "toolName": {
      -        "const": "imageGenerationList",
      -        "type": "string"
      -      }
      -    },
      -    "required": [
      -      "ok",
      -      "output",
      -      "toolName"
      -    ],
      -    "type": "object"
      -  },
      -  {
      -    "additionalProperties": false,
      -    "properties": {
      -      "error": {
      -        "additionalProperties": false,
      -        "properties": {
      -          "code": {
      -            "enum": [
      -              "INVALID_INPUT",
      -              "FORBIDDEN",
      -              "NOT_FOUND",
      -              "CONFLICT",
      -              "FEATURE_DISABLED",
      -              "CONFIRMATION_REQUIRED",
      -              "CONFIRMATION_INVALID",
      -              "UPSTREAM_FAILED",
      -              "NEEDS_REVIEW",
      -              "INTERNAL"
      -            ],
      -            "type": "string"
      -          },
      -          "message": {
      -            "maxLength": 2048,
      -            "minLength": 1,
      -            "type": "string"
      -          },
      -          "retryable": {
      -            "type": "boolean"
      -          }
      -        },
      -        "required": [
      -          "code",
      -          "message",
      -          "retryable"
      -        ],
      -        "type": "object"
      -      },
      -      "ok": {
      -        "const": false,
      -        "type": "boolean"
      -      },
      -      "toolName": {
      -        "const": "imageGenerationList",
      -        "type": "string"
      -      }
      -    },
      -    "required": [
      -      "error",
      -      "ok",
      -      "toolName"
      -    ],
      -    "type": "object"
      -  }
      -]New value: +[
      +  {
      +    "additionalProperties": false,
      +    "properties": {
      +      "ok": {
      +        "const": true,
      +        "type": "boolean"
      +      },
      +      "output": {
      +        "additionalProperties": false,
      +        "properties": {
      +          "batches": {
      +            "items": {
      +              "$ref": "#/$defs/__schema0"
      +            },
      +            "maxItems": 20,
      +            "type": "array"
      +          },
      +          "enabled": {
      +            "type": "boolean"
      +          }
      +        },
      +        "required": [
      +          "batches",
      +          "enabled"
      +        ],
      +        "type": "object"
      +      },
      +      "toolName": {
      +        "const": "imageGenerationList",
      +        "type": "string"
      +      }
      +    },
      +    "required": [
      +      "ok",
      +      "output",
      +      "toolName"
      +    ],
      +    "type": "object"
      +  },
      +  {
      +    "additionalProperties": false,
      +    "properties": {
      +      "error": {
      +        "additionalProperties": false,
      +        "properties": {
      +          "code": {
      +            "enum": [
      +              "AI_SCHEDULING_LIMIT_REACHED",
      +              "AI_SCHEDULING_UNAVAILABLE",
      +              "INVALID_INPUT",
      +              "FORBIDDEN",
      +              "NOT_FOUND",
      +              "CONFLICT",
      +              "FEATURE_DISABLED",
      +              "CONFIRMATION_REQUIRED",
      +              "CONFIRMATION_INVALID",
      +              "UPSTREAM_FAILED",
      +              "NEEDS_REVIEW",
      +              "INTERNAL"
      +            ],
      +            "type": "string"
      +          },
      +          "message": {
      +            "maxLength": 2048,
      +            "minLength": 1,
      +            "type": "string"
      +          },
      +          "retryable": {
      +            "type": "boolean"
      +          }
      +        },
      +        "required": [
      +          "code",
      +          "message",
      +          "retryable"
      +        ],
      +        "type": "object"
      +      },
      +      "ok": {
      +        "const": false,
      +        "type": "boolean"
      +      },
      +      "toolName": {
      +        "const": "imageGenerationList",
      +        "type": "string"
      +      }
      +    },
      +    "required": [
      +      "error",
      +      "ok",
      +      "toolName"
      +    ],
      +    "type": "object"
      +  }
      +]
  3. First observed

TDQS

A3.7/5.0
Behavior4/5

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

Annotations already declare readOnly, idempotent, non-destructive and closed-world, so the safety profile is covered. The description adds real behavioral information on top: results are scoped to 'recent' batches, outcome states are enumerated, and two interpretive rules are given ('Unknown cost stays null' and 'needs_review is not success'). These clarify how to read partial/ambiguous results rather than restating the annotations.

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

Conciseness4/5

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

Two compact sentences with the scoping verb and scope front-loaded, followed by a short caveat about cost and status semantics. Every clause carries information; the only mild cost is the dense packing of status/cost terms into one sentence.

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

Completeness4/5

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 unnecessary; the description instead focuses on the interpretive edges (null cost, needs_review ≠ success) that a schema alone would not convey. Combined with rich read-only annotations, an agent has enough to invoke this correctly. Only the sibling routing between quote/start/list remains unstated.

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 has one parameter (planPublicId) with 0% description coverage — only a pattern and length bound. The description compensates partially by tying the parameter to 'an owned plan', which tells the agent the ID must reference a plan it owns. It does not explain the ID format or where to obtain it, so the gap is narrowed but not closed.

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

Purpose4/5

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

States a specific verb and resource: 'Read recent native image batches for an owned plan', and enumerates what the batches carry (queued/running/final outcomes, owned asset IDs, credit reservations, settled costs). An agent can tell this is a read/list operation over generated image batches. It does not name sibling tools like imageGenerationQuote or imageGenerationStart, so differentiation is implied rather than explicit.

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

Usage Guidelines3/5

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

The phrase 'for an owned plan' implies a precondition (the plan must belong to the caller), which is useful context for when this applies. However, there is no explicit statement of when to call this versus imageGenerationStart or imageGenerationQuote, and no guidance on what to do when a batch is still running. Usage is inferred rather than directed.

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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