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VideoGen

by io.github.dg314
OverviewDiscussionsAdmin

Image 3D effect

image_3d_effect

Add 3D parallax motion to a still image, producing a video.

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": {
      "imageFileId": "<imageFileId>"
    },
    "name": "image_3d_effect"
  }
}

Input Schema

NameRequiredDescriptionDefault
imageFileIdYesImage to transform. Use fileId from upload_file, list_files, or a succeeded image-generation result.

Output Schema

NameRequiredDescriptionDefault
errorNoError details when status is failed; otherwise null.
statusNoJob status: pending, running, succeeded, failed, or cancelled.
resultsNoGenerated results with download URLs when succeeded.
toolTypeNoTool name (e.g. GENERATE_IMAGE).
attemptIndexNoCurrent or latest attempt index.
toolExecutionIdYesTool execution id (vg_tool_...).
progressPercentageNoCompletion progress 0-100 (present after polling).

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed33 schema fields changed
    • changedOutput schema / properties / error / anyOf
      Previous value: -[
-  {
-    "additionalProperties": {},
-    "properties": {
-      "code": {
-        "anyOf": [
-          {
-            "type": "string"
-          },
-          {
-            "type": "null"
-          }
-        ],
-        "description": "Machine-readable error code."
-      },
-      "internalErrorCode": {
-        "anyOf": [
-          {
-            "type": "string"
-          },
-          {
-            "type": "null"
-          }
-        ],
-        "description": "Opaque code for support."
-      },
-      "message": {
-        "description": "Human-readable error description.",
-        "type": "string"
-      },
-      "requirement": {
-        "anyOf": [
-          {
-            "additionalProperties": {},
-            "properties": {
-              "details": {
-                "additionalProperties": {
-                  "type": "string"
-                },
-                "propertyNames": {
-                  "type": "string"
-                },
-                "type": "object"
-              },
-              "type": {
-                "description": "Requirement type (e.g. purchase_add_on).",
-                "type": "string"
-              }
-            },
-            "required": [
-              "type"
-            ],
-            "type": "object"
-          },
-          {
-            "type": "null"
-          }
-        ],
-        "description": "What is needed to resolve the error, when applicable."
-      }
-    },
-    "required": [
-      "message"
-    ],
-    "type": "object"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "additionalProperties": {},
+    "properties": {
+      "code": {
+        "description": "Machine-readable error code.",
+        "type": [
+          "string",
+          "null"
+        ]
+      },
+      "internalErrorCode": {
+        "description": "Opaque code for support.",
+        "type": [
+          "string",
+          "null"
+        ]
+      },
+      "message": {
+        "description": "Human-readable error description.",
+        "type": "string"
+      },
+      "requirement": {
+        "anyOf": [
+          {
+            "additionalProperties": {},
+            "properties": {
+              "details": {
+                "additionalProperties": {
+                  "type": "string"
+                },
+                "propertyNames": {
+                  "type": "string"
+                },
+                "type": "object"
+              },
+              "type": {
+                "description": "Requirement type (e.g. purchase_add_on).",
+                "type": "string"
+              }
+            },
+            "required": [
+              "type"
+            ],
+            "type": "object"
+          },
+          {
+            "type": "null"
+          }
+        ],
+        "description": "What is needed to resolve the error, when applicable."
+      }
+    },
+    "required": [
+      "message"
+    ],
+    "type": "object"
+  },
+  {
+    "type": "null"
+  }
+]
    • removedOutput schema / properties / results / items / properties / downloadUrl / anyOf
      Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]
    • addedOutput schema / properties / results / items / properties / downloadUrl / type
      Added value: +[
+  "string",
+  "null"
+]
    • removedOutput schema / properties / results / items / properties / downloadUrlExpiresAt / anyOf
      Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
    • addedOutput schema / properties / results / items / properties / downloadUrlExpiresAt / type
      Added value: +[
+  "number",
+  "null"
+]
    • removedOutput schema / properties / results / items / properties / file / properties / description / anyOf
      Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]
    • addedOutput schema / properties / results / items / properties / file / properties / description / type
      Added value: +[
+  "string",
+  "null"
+]
    • changedOutput schema / properties / results / items / properties / file / properties / downloadSource / anyOf
      Previous value: -[
-  {
-    "additionalProperties": {},
-    "description": "A file rendition source (thumbnail, preview, download, …).",
-    "properties": {
-      "expiresAt": {
-        "anyOf": [
-          {
-            "type": "number"
-          },
-          {
-            "type": "null"
-          }
-        ],
-        "description": "Unix expiry for url."
-      },
-      "fileBytes": {
-        "anyOf": [
-          {
-            "type": "number"
-          },
-          {
-            "type": "null"
-          }
-        ],
-        "description": "Rendition size in bytes."
-      },
-      "height": {
-        "anyOf": [
-          {
-            "type": "number"
-          },
-          {
-            "type": "null"
-          }
-        ],
-        "description": "Rendition height in pixels."
-      },
-      "status": {
-        "description": "Rendition status.",
-        "enum": [
-          "pending",
-          "ready",
-          "failed",
-          "skipped"
-        ],
-        "type": "string"
-      },
-      "url": {
-        "anyOf": [
-          {
-            "type": "string"
-          },
-          {
-            "type": "null"
-          }
-        ],
-        "description": "Signed URL when status is ready."
-      },
-      "width": {
-        "anyOf": [
-          {
-            "type": "number"
-          },
-          {
-            "type": "null"
-          }
-        ],
-        "description": "Rendition width in pixels."
-      }
-    },
-    "required": [
-      "status"
-    ],
-    "type": "object"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "additionalProperties": {},
+    "description": "A file rendition source (thumbnail, preview, download, …).",
+    "properties": {
+      "expiresAt": {
+        "description": "Unix expiry for url.",
+        "type": [
+          "number",
+          "null"
+        ]
+      },
+      "fileBytes": {
+        "description": "Rendition size in bytes.",
+        "type": [
+          "number",
+          "null"
+        ]
+      },
+      "height": {
+        "description": "Rendition height in pixels.",
+        "type": [
+          "number",
+          "null"
+        ]
+      },
+      "status": {
+        "description": "Rendition status.",
+        "enum": [
+          "pending",
+          "ready",
+          "failed",
+          "skipped"
+        ],
+        "type": "string"
+      },
+      "url": {
+        "description": "Signed URL when status is ready.",
+        "type": [
+          "string",
+          "null"
+        ]
+      },
+      "width": {
+        "description": "Rendition width in pixels.",
+        "type": [
+          "number",
+          "null"
+        ]
+      }
+    },
+    "required": [
+      "status"
+    ],
+    "type": "object"
+  },
+  {
+    "type": "null"
+  }
+]
    • removedOutput schema / properties / results / items / properties / file / properties / downloadUrl / anyOf
      Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]
    • addedOutput schema / properties / results / items / properties / file / properties / downloadUrl / type
      Added value: +[
+  "string",
+  "null"
+]
    • removedOutput schema / properties / results / items / properties / file / properties / downloadUrlExpiresAt / anyOf
      Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
    • addedOutput schema / properties / results / items / properties / file / properties / downloadUrlExpiresAt / type
      Added value: +[
+  "number",
+  "null"
+]
    • removedOutput schema / properties / results / items / properties / file / properties / durationSeconds / anyOf
      Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
    • addedOutput schema / properties / results / items / properties / file / properties / durationSeconds / type
      Added value: +[
+  "number",
+  "null"
+]
    • changedOutput schema / properties / results / items / properties / file / properties / hlsSource / anyOf
      Previous value: -[
-  {
-    "additionalProperties": {},
-    "description": "A file rendition source (thumbnail, preview, download, …).",
-    "properties": {
-      "expiresAt": {
-        "anyOf": [
-          {
-            "type": "number"
-          },
-          {
-            "type": "null"
-          }
-        ],
-        "description": "Unix expiry for url."
-      },
-      "fileBytes": {
-        "anyOf": [
-          {
-            "type": "number"
-          },
-          {
-            "type": "null"
-          }
-        ],
-        "description": "Rendition size in bytes."
-      },
-      "height": {
-        "anyOf": [
-          {
-            "type": "number"
-          },
-          {
-            "type": "null"
-          }
-        ],
-        "description": "Rendition height in pixels."
-      },
-      "status": {
-        "description": "Rendition status.",
-        "enum": [
-          "pending",
-          "ready",
-          "failed",
-          "skipped"
-        ],
-        "type": "string"
-      },
-      "url": {
-        "anyOf": [
-          {
-            "type": "string"
-          },
-          {
-            "type": "null"
-          }
-        ],
-        "description": "Signed URL when status is ready."
-      },
-      "width": {
-        "anyOf": [
-          {
-            "type": "number"
-          },
-          {
-            "type": "null"
-          }
-        ],
-        "description": "Rendition width in pixels."
-      }
-    },
-    "required": [
-      "status"
-    ],
-    "type": "object"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "additionalProperties": {},
+    "description": "A file rendition source (thumbnail, preview, download, …).",
+    "properties": {
+      "expiresAt": {
+        "description": "Unix expiry for url.",
+        "type": [
+          "number",
+          "null"
+        ]
+      },
+      "fileBytes": {
+        "description": "Rendition size in bytes.",
+        "type": [
+          "number",
+          "null"
+        ]
+      },
+      "height": {
+        "description": "Rendition height in pixels.",
+        "type": [
+          "number",
+          "null"
+        ]
+      },
+      "status": {
+        "description": "Rendition status.",
+        "enum": [
+          "pending",
+          "ready",
+          "failed",
+          "skipped"
+        ],
+        "type": "string"
+      },
+      "url": {
+        "description": "Signed URL when status is ready.",
+        "type": [
+          "string",
+          "null"
+        ]
+      },
+      "width": {
+        "description": "Rendition width in pixels.",
+        "type": [
+          "number",
+          "null"
+        ]
+      }
+    },
+    "required": [
+      "status"
+    ],
+    "type": "object"
+  },
+  {
+    "type": "null"
+  }
+]
    • changedOutput schema / properties / results / items / properties / file / properties / previewSource / anyOf
      Previous value: -[
-  {
-    "additionalProperties": {},
-    "description": "A file rendition source (thumbnail, preview, download, …).",
-    "properties": {
-      "expiresAt": {
-        "anyOf": [
-          {
-            "type": "number"
-          },
-          {
-            "type": "null"
-          }
-        ],
-        "description": "Unix expiry for url."
-      },
-      "fileBytes": {
-        "anyOf": [
-          {
-            "type": "number"
-          },
-          {
-            "type": "null"
-          }
-        ],
-        "description": "Rendition size in bytes."
-      },
-      "height": {
-        "anyOf": [
-          {
-            "type": "number"
-          },
-          {
-            "type": "null"
-          }
-        ],
-        "description": "Rendition height in pixels."
-      },
-      "status": {
-        "description": "Rendition status.",
-        "enum": [
-          "pending",
-          "ready",
-          "failed",
-          "skipped"
-        ],
-        "type": "string"
-      },
-      "url": {
-        "anyOf": [
-          {
-            "type": "string"
-          },
-          {
-            "type": "null"
-          }
-        ],
-        "description": "Signed URL when status is ready."
-      },
-      "width": {
-        "anyOf": [
-          {
-            "type": "number"
-          },
-          {
-            "type": "null"
-          }
-        ],
-        "description": "Rendition width in pixels."
-      }
-    },
-    "required": [
-      "status"
-    ],
-    "type": "object"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "additionalProperties": {},
+    "description": "A file rendition source (thumbnail, preview, download, …).",
+    "properties": {
+      "expiresAt": {
+        "description": "Unix expiry for url.",
+        "type": [
+          "number",
+          "null"
+        ]
+      },
+      "fileBytes": {
+        "description": "Rendition size in bytes.",
+        "type": [
+          "number",
+          "null"
+        ]
+      },
+      "height": {
+        "description": "Rendition height in pixels.",
+        "type": [
+          "number",
+          "null"
+        ]
+      },
+      "status": {
+        "description": "Rendition status.",
+        "enum": [
+          "pending",
+          "ready",
+          "failed",
+          "skipped"
+        ],
+        "type": "string"
+      },
+      "url": {
+        "description": "Signed URL when status is ready.",
+        "type": [
+          "string",
+          "null"
+        ]
+      },
+      "width": {
+        "description": "Rendition width in pixels.",
+        "type": [
+          "number",
+          "null"
+        ]
+      }
+    },
+    "required": [
+      "status"
+    ],
+    "type": "object"
+  },
+  {
+    "type": "null"
+  }
+]
    • removedOutput schema / properties / results / items / properties / file / properties / publicHlsUrl / anyOf
      Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]
    • addedOutput schema / properties / results / items / properties / file / properties / publicHlsUrl / type
      Added value: +[
+  "string",
+  "null"
+]
    • removedOutput schema / properties / results / items / properties / file / properties / publicPlaybackId / anyOf
      Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]
    • addedOutput schema / properties / results / items / properties / file / properties / publicPlaybackId / type
      Added value: +[
+  "string",
+  "null"
+]
    • changedOutput schema / properties / results / items / properties / file / properties / thumbnailSource / anyOf
      Previous value: -[
-  {
-    "additionalProperties": {},
-    "description": "A file rendition source (thumbnail, preview, download, …).",
-    "properties": {
-      "expiresAt": {
-        "anyOf": [
-          {
-            "type": "number"
-          },
-          {
-            "type": "null"
-          }
-        ],
-        "description": "Unix expiry for url."
-      },
-      "fileBytes": {
-        "anyOf": [
-          {
-            "type": "number"
-          },
-          {
-            "type": "null"
-          }
-        ],
-        "description": "Rendition size in bytes."
-      },
-      "height": {
-        "anyOf": [
-          {
-            "type": "number"
-          },
-          {
-            "type": "null"
-          }
-        ],
-        "description": "Rendition height in pixels."
-      },
-      "status": {
-        "description": "Rendition status.",
-        "enum": [
-          "pending",
-          "ready",
-          "failed",
-          "skipped"
-        ],
-        "type": "string"
-      },
-      "url": {
-        "anyOf": [
-          {
-            "type": "string"
-          },
-          {
-            "type": "null"
-          }
-        ],
-        "description": "Signed URL when status is ready."
-      },
-      "width": {
-        "anyOf": [
-          {
-            "type": "number"
-          },
-          {
-            "type": "null"
-          }
-        ],
-        "description": "Rendition width in pixels."
-      }
-    },
-    "required": [
-      "status"
-    ],
-    "type": "object"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "additionalProperties": {},
+    "description": "A file rendition source (thumbnail, preview, download, …).",
+    "properties": {
+      "expiresAt": {
+        "description": "Unix expiry for url.",
+        "type": [
+          "number",
+          "null"
+        ]
+      },
+      "fileBytes": {
+        "description": "Rendition size in bytes.",
+        "type": [
+          "number",
+          "null"
+        ]
+      },
+      "height": {
+        "description": "Rendition height in pixels.",
+        "type": [
+          "number",
+          "null"
+        ]
+      },
+      "status": {
+        "description": "Rendition status.",
+        "enum": [
+          "pending",
+          "ready",
+          "failed",
+          "skipped"
+        ],
+        "type": "string"
+      },
+      "url": {
+        "description": "Signed URL when status is ready.",
+        "type": [
+          "string",
+          "null"
+        ]
+      },
+      "width": {
+        "description": "Rendition width in pixels.",
+        "type": [
+          "number",
+          "null"
+        ]
+      }
+    },
+    "required": [
+      "status"
+    ],
+    "type": "object"
+  },
+  {
+    "type": "null"
+  }
+]
    • removedOutput schema / properties / results / items / properties / file / properties / thumbnailUrl / anyOf
      Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]
    • addedOutput schema / properties / results / items / properties / file / properties / thumbnailUrl / type
      Added value: +[
+  "string",
+  "null"
+]
    • removedOutput schema / properties / results / items / properties / file / properties / thumbnailUrlExpiresAt / anyOf
      Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
    • addedOutput schema / properties / results / items / properties / file / properties / thumbnailUrlExpiresAt / type
      Added value: +[
+  "number",
+  "null"
+]
    • removedOutput schema / properties / results / items / properties / file / properties / transcriptText / anyOf
      Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]
    • addedOutput schema / properties / results / items / properties / file / properties / transcriptText / type
      Added value: +[
+  "string",
+  "null"
+]
    • removedOutput schema / properties / results / items / properties / file / properties / type / anyOf
      Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]
    • addedOutput schema / properties / results / items / properties / file / properties / type / type
      Added value: +[
+  "string",
+  "null"
+]
    • removedOutput schema / properties / results / items / properties / thumbnailUrl / anyOf
      Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]
    • addedOutput schema / properties / results / items / properties / thumbnailUrl / type
      Added value: +[
+  "string",
+  "null"
+]
    • removedOutput schema / properties / results / items / properties / thumbnailUrlExpiresAt / anyOf
      Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
    • addedOutput schema / properties / results / items / properties / thumbnailUrlExpiresAt / type
      Added value: +[
+  "number",
+  "null"
+]
  2. Changed1 schema field changed
    • changedInput schema / properties / imageFileId / description
      Previous value: -"Source image file id."New value: +"Image to transform. Use fileId from upload_file, list_files, or a succeeded image-generation result."
  3. First observed

TDQS

B3.1/5.0
Behavior2/5

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

Annotations already declare readOnlyHint=false, idempotentHint=false, and destructiveHint=false, so the safety profile is covered. The description adds only that a video is produced, which the output schema already conveys. It says nothing about long-running or async execution, cost, or how the resulting video is retrieved — notable given the presence of get_tool_execution and cancel_tool_execution siblings.

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

Conciseness5/5

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

A single sentence that leads with the transformation and ends with the output type. There is no redundant or filler wording.

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

Completeness3/5

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

With one required parameter, a fully described schema, and an output schema, the core definition is adequate. However, for a generative media tool in a suite with explicit async-task tooling, omitting whether the call returns a job or a finished asset leaves a meaningful gap.

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 100% and the imageFileId parameter is fully documented in the schema, including where to source a fileId. The description adds no syntax, constraint, or format detail beyond that, so the baseline 3 applies.

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?

The description gives a specific verb (add 3D parallax motion) and resource (a still image), plus the output form (a video). That clearly distinguishes it from siblings like upscale_image, remove_image_background, or generate_video_clip, though it never explicitly names an alternative.

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?

There is no guidance on when to choose this tool over upscale_image, vectorize_image, prompt_to_video_clip, or generate_motion_graphic. Usage is only implied by the phrase 'still image'.

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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