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by so.influence
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Read media

mediaGet
Read-onlyIdempotent

Returns one owned ready image or MP4. Compatible MCP clients receive JPEG/PNG pixels up to 6 MiB. All formats include a five-minute previewUrl for viewing in chat; request mediaGet again if it expires. Larger JPEG/PNG, GIF, WebP and videos return metadata without downloading their bytes; images support up to 20 MiB and compatible MP4 videos up to 5 GB. Reading media grants no publication approval.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
assetIdYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • changedOutput schema / oneOf
      Previous value: -[
-  {
-    "additionalProperties": false,
-    "properties": {
-      "ok": {
-        "const": true,
-        "type": "boolean"
-      },
-      "output": {
-        "anyOf": [
-          {
-            "additionalProperties": false,
-            "properties": {
-              "altText": {
-                "maxLength": 2000,
-                "type": "string"
-              },
-              "assetId": {
-                "$ref": "#/$defs/__schema0"
-              },
-              "contentType": {
-                "enum": [
-                  "image/jpeg",
-                  "image/png"
-                ],
-                "type": "string"
-              },
-              "height": {
-                "exclusiveMinimum": 0,
-                "maximum": 9007199254740991,
-                "type": "integer"
-              },
-              "previewExpiresAt": {
-                "exclusiveMinimum": 0,
-                "maximum": 9007199254740991,
-                "type": "integer"
-              },
-              "previewUrl": {
-                "$ref": "#/$defs/__schema1"
-              },
-              "sizeBytes": {
-                "exclusiveMinimum": 0,
-                "maximum": 6291456,
-                "type": "integer"
-              },
-              "width": {
-                "exclusiveMinimum": 0,
-                "maximum": 9007199254740991,
-                "type": "integer"
-              }
-            },
-            "required": [
-              "assetId",
-              "contentType",
-              "sizeBytes"
-            ],
-            "type": "object"
-          },
-          {
-            "additionalProperties": false,
-            "properties": {
-              "altText": {
-                "maxLength": 2000,
-                "type": "string"
-              },
-              "assetId": {
-                "$ref": "#/$defs/__schema0"
-              },
-              "contentType": {
-                "enum": [
-                  "image/jpeg",
-                  "image/png",
-                  "image/gif",
-                  "image/webp"
-                ],
-                "type": "string"
-              },
-              "height": {
-                "exclusiveMinimum": 0,
-                "maximum": 9007199254740991,
-                "type": "integer"
-              },
-              "previewExpiresAt": {
-                "exclusiveMinimum": 0,
-                "maximum": 9007199254740991,
-                "type": "integer"
-              },
-              "previewUrl": {
-                "$ref": "#/$defs/__schema1"
-              },
-              "reviewPath": {
-                "const": "/app/media",
-                "type": "string"
-              },
-              "sizeBytes": {
-                "exclusiveMinimum": 0,
-                "maximum": 20971520,
-                "type": "integer"
-              },
-              "status": {
-                "const": "ready",
-                "type": "string"
-              },
-              "width": {
-                "exclusiveMinimum": 0,
-                "maximum": 9007199254740991,
-                "type": "integer"
-              }
-            },
-            "required": [
-              "assetId",
-              "contentType",
-              "height",
-              "reviewPath",
-              "sizeBytes",
-              "status",
-              "width"
-            ],
-            "type": "object"
-          },
-          {
-            "additionalProperties": false,
-            "properties": {
-              "assetId": {
-                "$ref": "#/$defs/__schema0"
-              },
-              "contentType": {
-                "const": "video/mp4",
-                "type": "string"
-              },
-              "durationSeconds": {
-                "exclusiveMinimum": 0,
-                "type": "number"
-              },
-              "height": {
-                "exclusiveMinimum": 0,
-                "maximum": 9007199254740991,
-                "type": "integer"
-              },
-              "previewExpiresAt": {
-                "exclusiveMinimum": 0,
-                "maximum": 9007199254740991,
-                "type": "integer"
-              },
-              "previewUrl": {
-                "$ref": "#/$defs/__schema1"
-              },
-              "reviewPath": {
-                "const": "/app/media",
-                "type": "string"
-              },
-              "sizeBytes": {
-                "exclusiveMinimum": 0,
-                "maximum": 5000000000,
-                "type": "integer"
-              },
-              "status": {
-                "const": "ready",
-                "type": "string"
-              },
-              "width": {
-                "exclusiveMinimum": 0,
-                "maximum": 9007199254740991,
-                "type": "integer"
-              }
-            },
-            "required": [
-              "assetId",
-              "contentType",
-              "durationSeconds",
-              "height",
-              "reviewPath",
-              "sizeBytes",
-              "status",
-              "width"
-            ],
-            "type": "object"
-          }
-        ]
-      },
-      "toolName": {
-        "const": "mediaGet",
-        "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": "mediaGet",
-        "type": "string"
-      }
-    },
-    "required": [
-      "error",
-      "ok",
-      "toolName"
-    ],
-    "type": "object"
-  }
-]New value: +[
+  {
+    "additionalProperties": false,
+    "properties": {
+      "ok": {
+        "const": true,
+        "type": "boolean"
+      },
+      "output": {
+        "anyOf": [
+          {
+            "additionalProperties": false,
+            "properties": {
+              "altText": {
+                "maxLength": 2000,
+                "type": "string"
+              },
+              "assetId": {
+                "$ref": "#/$defs/__schema0"
+              },
+              "contentType": {
+                "enum": [
+                  "image/jpeg",
+                  "image/png"
+                ],
+                "type": "string"
+              },
+              "height": {
+                "exclusiveMinimum": 0,
+                "maximum": 9007199254740991,
+                "type": "integer"
+              },
+              "previewExpiresAt": {
+                "exclusiveMinimum": 0,
+                "maximum": 9007199254740991,
+                "type": "integer"
+              },
+              "previewUrl": {
+                "$ref": "#/$defs/__schema1"
+              },
+              "sizeBytes": {
+                "exclusiveMinimum": 0,
+                "maximum": 6291456,
+                "type": "integer"
+              },
+              "width": {
+                "exclusiveMinimum": 0,
+                "maximum": 9007199254740991,
+                "type": "integer"
+              }
+            },
+            "required": [
+              "assetId",
+              "contentType",
+              "sizeBytes"
+            ],
+            "type": "object"
+          },
+          {
+            "additionalProperties": false,
+            "properties": {
+              "altText": {
+                "maxLength": 2000,
+                "type": "string"
+              },
+              "assetId": {
+                "$ref": "#/$defs/__schema0"
+              },
+              "contentType": {
+                "enum": [
+                  "image/jpeg",
+                  "image/png",
+                  "image/gif",
+                  "image/webp"
+                ],
+                "type": "string"
+              },
+              "height": {
+                "exclusiveMinimum": 0,
+                "maximum": 9007199254740991,
+                "type": "integer"
+              },
+              "previewExpiresAt": {
+                "exclusiveMinimum": 0,
+                "maximum": 9007199254740991,
+                "type": "integer"
+              },
+              "previewUrl": {
+                "$ref": "#/$defs/__schema1"
+              },
+              "reviewPath": {
+                "const": "/app/media",
+                "type": "string"
+              },
+              "sizeBytes": {
+                "exclusiveMinimum": 0,
+                "maximum": 20971520,
+                "type": "integer"
+              },
+              "status": {
+                "const": "ready",
+                "type": "string"
+              },
+              "width": {
+                "exclusiveMinimum": 0,
+                "maximum": 9007199254740991,
+                "type": "integer"
+              }
+            },
+            "required": [
+              "assetId",
+              "contentType",
+              "height",
+              "reviewPath",
+              "sizeBytes",
+              "status",
+              "width"
+            ],
+            "type": "object"
+          },
+          {
+            "additionalProperties": false,
+            "properties": {
+              "assetId": {
+                "$ref": "#/$defs/__schema0"
+              },
+              "contentType": {
+                "const": "video/mp4",
+                "type": "string"
+              },
+              "durationSeconds": {
+                "exclusiveMinimum": 0,
+                "type": "number"
+              },
+              "height": {
+                "exclusiveMinimum": 0,
+                "maximum": 9007199254740991,
+                "type": "integer"
+              },
+              "previewExpiresAt": {
+                "exclusiveMinimum": 0,
+                "maximum": 9007199254740991,
+                "type": "integer"
+              },
+              "previewUrl": {
+                "$ref": "#/$defs/__schema1"
+              },
+              "reviewPath": {
+                "const": "/app/media",
+                "type": "string"
+              },
+              "sizeBytes": {
+                "exclusiveMinimum": 0,
+                "maximum": 5000000000,
+                "type": "integer"
+              },
+              "status": {
+                "const": "ready",
+                "type": "string"
+              },
+              "width": {
+                "exclusiveMinimum": 0,
+                "maximum": 9007199254740991,
+                "type": "integer"
+              }
+            },
+            "required": [
+              "assetId",
+              "contentType",
+              "durationSeconds",
+              "height",
+              "reviewPath",
+              "sizeBytes",
+              "status",
+              "width"
+            ],
+            "type": "object"
+          }
+        ]
+      },
+      "toolName": {
+        "const": "mediaGet",
+        "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": "mediaGet",
+        "type": "string"
+      }
+    },
+    "required": [
+      "error",
+      "ok",
+      "toolName"
+    ],
+    "type": "object"
+  }
+]
  2. Changed2 schema fields changed
    • addedOutput schema / $defs / __schema1
      Added value: +{
+  "format": "uri",
+  "maxLength": 4096,
+  "type": "string"
+}
    • changedOutput schema / oneOf
      Previous value: -[
-  {
-    "additionalProperties": false,
-    "properties": {
-      "ok": {
-        "const": true,
-        "type": "boolean"
-      },
-      "output": {
-        "anyOf": [
-          {
-            "additionalProperties": false,
-            "properties": {
-              "altText": {
-                "maxLength": 2000,
-                "type": "string"
-              },
-              "assetId": {
-                "$ref": "#/$defs/__schema0"
-              },
-              "contentType": {
-                "enum": [
-                  "image/jpeg",
-                  "image/png"
-                ],
-                "type": "string"
-              },
-              "height": {
-                "exclusiveMinimum": 0,
-                "maximum": 9007199254740991,
-                "type": "integer"
-              },
-              "sizeBytes": {
-                "exclusiveMinimum": 0,
-                "maximum": 6291456,
-                "type": "integer"
-              },
-              "width": {
-                "exclusiveMinimum": 0,
-                "maximum": 9007199254740991,
-                "type": "integer"
-              }
-            },
-            "required": [
-              "assetId",
-              "contentType",
-              "sizeBytes"
-            ],
-            "type": "object"
-          },
-          {
-            "additionalProperties": false,
-            "properties": {
-              "altText": {
-                "maxLength": 2000,
-                "type": "string"
-              },
-              "assetId": {
-                "$ref": "#/$defs/__schema0"
-              },
-              "contentType": {
-                "enum": [
-                  "image/jpeg",
-                  "image/png",
-                  "image/gif",
-                  "image/webp"
-                ],
-                "type": "string"
-              },
-              "height": {
-                "exclusiveMinimum": 0,
-                "maximum": 9007199254740991,
-                "type": "integer"
-              },
-              "reviewPath": {
-                "const": "/app/media",
-                "type": "string"
-              },
-              "sizeBytes": {
-                "exclusiveMinimum": 0,
-                "maximum": 20971520,
-                "type": "integer"
-              },
-              "status": {
-                "const": "ready",
-                "type": "string"
-              },
-              "width": {
-                "exclusiveMinimum": 0,
-                "maximum": 9007199254740991,
-                "type": "integer"
-              }
-            },
-            "required": [
-              "assetId",
-              "contentType",
-              "height",
-              "reviewPath",
-              "sizeBytes",
-              "status",
-              "width"
-            ],
-            "type": "object"
-          },
-          {
-            "additionalProperties": false,
-            "properties": {
-              "assetId": {
-                "$ref": "#/$defs/__schema0"
-              },
-              "contentType": {
-                "const": "video/mp4",
-                "type": "string"
-              },
-              "durationSeconds": {
-                "exclusiveMinimum": 0,
-                "type": "number"
-              },
-              "height": {
-                "exclusiveMinimum": 0,
-                "maximum": 9007199254740991,
-                "type": "integer"
-              },
-              "reviewPath": {
-                "const": "/app/media",
-                "type": "string"
-              },
-              "sizeBytes": {
-                "exclusiveMinimum": 0,
-                "maximum": 262144000,
-                "type": "integer"
-              },
-              "status": {
-                "const": "ready",
-                "type": "string"
-              },
-              "width": {
-                "exclusiveMinimum": 0,
-                "maximum": 9007199254740991,
-                "type": "integer"
-              }
-            },
-            "required": [
-              "assetId",
-              "contentType",
-              "durationSeconds",
-              "height",
-              "reviewPath",
-              "sizeBytes",
-              "status",
-              "width"
-            ],
-            "type": "object"
-          }
-        ]
-      },
-      "toolName": {
-        "const": "mediaGet",
-        "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": "mediaGet",
-        "type": "string"
-      }
-    },
-    "required": [
-      "error",
-      "ok",
-      "toolName"
-    ],
-    "type": "object"
-  }
-]New value: +[
+  {
+    "additionalProperties": false,
+    "properties": {
+      "ok": {
+        "const": true,
+        "type": "boolean"
+      },
+      "output": {
+        "anyOf": [
+          {
+            "additionalProperties": false,
+            "properties": {
+              "altText": {
+                "maxLength": 2000,
+                "type": "string"
+              },
+              "assetId": {
+                "$ref": "#/$defs/__schema0"
+              },
+              "contentType": {
+                "enum": [
+                  "image/jpeg",
+                  "image/png"
+                ],
+                "type": "string"
+              },
+              "height": {
+                "exclusiveMinimum": 0,
+                "maximum": 9007199254740991,
+                "type": "integer"
+              },
+              "previewExpiresAt": {
+                "exclusiveMinimum": 0,
+                "maximum": 9007199254740991,
+                "type": "integer"
+              },
+              "previewUrl": {
+                "$ref": "#/$defs/__schema1"
+              },
+              "sizeBytes": {
+                "exclusiveMinimum": 0,
+                "maximum": 6291456,
+                "type": "integer"
+              },
+              "width": {
+                "exclusiveMinimum": 0,
+                "maximum": 9007199254740991,
+                "type": "integer"
+              }
+            },
+            "required": [
+              "assetId",
+              "contentType",
+              "sizeBytes"
+            ],
+            "type": "object"
+          },
+          {
+            "additionalProperties": false,
+            "properties": {
+              "altText": {
+                "maxLength": 2000,
+                "type": "string"
+              },
+              "assetId": {
+                "$ref": "#/$defs/__schema0"
+              },
+              "contentType": {
+                "enum": [
+                  "image/jpeg",
+                  "image/png",
+                  "image/gif",
+                  "image/webp"
+                ],
+                "type": "string"
+              },
+              "height": {
+                "exclusiveMinimum": 0,
+                "maximum": 9007199254740991,
+                "type": "integer"
+              },
+              "previewExpiresAt": {
+                "exclusiveMinimum": 0,
+                "maximum": 9007199254740991,
+                "type": "integer"
+              },
+              "previewUrl": {
+                "$ref": "#/$defs/__schema1"
+              },
+              "reviewPath": {
+                "const": "/app/media",
+                "type": "string"
+              },
+              "sizeBytes": {
+                "exclusiveMinimum": 0,
+                "maximum": 20971520,
+                "type": "integer"
+              },
+              "status": {
+                "const": "ready",
+                "type": "string"
+              },
+              "width": {
+                "exclusiveMinimum": 0,
+                "maximum": 9007199254740991,
+                "type": "integer"
+              }
+            },
+            "required": [
+              "assetId",
+              "contentType",
+              "height",
+              "reviewPath",
+              "sizeBytes",
+              "status",
+              "width"
+            ],
+            "type": "object"
+          },
+          {
+            "additionalProperties": false,
+            "properties": {
+              "assetId": {
+                "$ref": "#/$defs/__schema0"
+              },
+              "contentType": {
+                "const": "video/mp4",
+                "type": "string"
+              },
+              "durationSeconds": {
+                "exclusiveMinimum": 0,
+                "type": "number"
+              },
+              "height": {
+                "exclusiveMinimum": 0,
+                "maximum": 9007199254740991,
+                "type": "integer"
+              },
+              "previewExpiresAt": {
+                "exclusiveMinimum": 0,
+                "maximum": 9007199254740991,
+                "type": "integer"
+              },
+              "previewUrl": {
+                "$ref": "#/$defs/__schema1"
+              },
+              "reviewPath": {
+                "const": "/app/media",
+                "type": "string"
+              },
+              "sizeBytes": {
+                "exclusiveMinimum": 0,
+                "maximum": 5000000000,
+                "type": "integer"
+              },
+              "status": {
+                "const": "ready",
+                "type": "string"
+              },
+              "width": {
+                "exclusiveMinimum": 0,
+                "maximum": 9007199254740991,
+                "type": "integer"
+              }
+            },
+            "required": [
+              "assetId",
+              "contentType",
+              "durationSeconds",
+              "height",
+              "reviewPath",
+              "sizeBytes",
+              "status",
+              "width"
+            ],
+            "type": "object"
+          }
+        ]
+      },
+      "toolName": {
+        "const": "mediaGet",
+        "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": "mediaGet",
+        "type": "string"
+      }
+    },
+    "required": [
+      "error",
+      "ok",
+      "toolName"
+    ],
+    "type": "object"
+  }
+]
  3. Changed2 schema fields changed
    • addedOutput schema / $defs
      Added value: +{
+  "__schema0": {
+    "maxLength": 128,
+    "minLength": 1,
+    "pattern": "^[A-Za-z0-9][A-Za-z0-9._:-]*$",
+    "type": "string"
+  }
+}
    • changedOutput schema / oneOf
      Previous value: -[
-  {
-    "additionalProperties": false,
-    "properties": {
-      "ok": {
-        "const": true,
-        "type": "boolean"
-      },
-      "output": {
-        "additionalProperties": false,
-        "properties": {
-          "altText": {
-            "maxLength": 2000,
-            "type": "string"
-          },
-          "assetId": {
-            "maxLength": 128,
-            "minLength": 1,
-            "pattern": "^[A-Za-z0-9][A-Za-z0-9._:-]*$",
-            "type": "string"
-          },
-          "contentType": {
-            "enum": [
-              "image/jpeg",
-              "image/png"
-            ],
-            "type": "string"
-          },
-          "height": {
-            "exclusiveMinimum": 0,
-            "maximum": 9007199254740991,
-            "type": "integer"
-          },
-          "sizeBytes": {
-            "exclusiveMinimum": 0,
-            "maximum": 6291456,
-            "type": "integer"
-          },
-          "width": {
-            "exclusiveMinimum": 0,
-            "maximum": 9007199254740991,
-            "type": "integer"
-          }
-        },
-        "required": [
-          "assetId",
-          "contentType",
-          "sizeBytes"
-        ],
-        "type": "object"
-      },
-      "toolName": {
-        "const": "mediaGet",
-        "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": "mediaGet",
-        "type": "string"
-      }
-    },
-    "required": [
-      "error",
-      "ok",
-      "toolName"
-    ],
-    "type": "object"
-  }
-]New value: +[
+  {
+    "additionalProperties": false,
+    "properties": {
+      "ok": {
+        "const": true,
+        "type": "boolean"
+      },
+      "output": {
+        "anyOf": [
+          {
+            "additionalProperties": false,
+            "properties": {
+              "altText": {
+                "maxLength": 2000,
+                "type": "string"
+              },
+              "assetId": {
+                "$ref": "#/$defs/__schema0"
+              },
+              "contentType": {
+                "enum": [
+                  "image/jpeg",
+                  "image/png"
+                ],
+                "type": "string"
+              },
+              "height": {
+                "exclusiveMinimum": 0,
+                "maximum": 9007199254740991,
+                "type": "integer"
+              },
+              "sizeBytes": {
+                "exclusiveMinimum": 0,
+                "maximum": 6291456,
+                "type": "integer"
+              },
+              "width": {
+                "exclusiveMinimum": 0,
+                "maximum": 9007199254740991,
+                "type": "integer"
+              }
+            },
+            "required": [
+              "assetId",
+              "contentType",
+              "sizeBytes"
+            ],
+            "type": "object"
+          },
+          {
+            "additionalProperties": false,
+            "properties": {
+              "altText": {
+                "maxLength": 2000,
+                "type": "string"
+              },
+              "assetId": {
+                "$ref": "#/$defs/__schema0"
+              },
+              "contentType": {
+                "enum": [
+                  "image/jpeg",
+                  "image/png",
+                  "image/gif",
+                  "image/webp"
+                ],
+                "type": "string"
+              },
+              "height": {
+                "exclusiveMinimum": 0,
+                "maximum": 9007199254740991,
+                "type": "integer"
+              },
+              "reviewPath": {
+                "const": "/app/media",
+                "type": "string"
+              },
+              "sizeBytes": {
+                "exclusiveMinimum": 0,
+                "maximum": 20971520,
+                "type": "integer"
+              },
+              "status": {
+                "const": "ready",
+                "type": "string"
+              },
+              "width": {
+                "exclusiveMinimum": 0,
+                "maximum": 9007199254740991,
+                "type": "integer"
+              }
+            },
+            "required": [
+              "assetId",
+              "contentType",
+              "height",
+              "reviewPath",
+              "sizeBytes",
+              "status",
+              "width"
+            ],
+            "type": "object"
+          },
+          {
+            "additionalProperties": false,
+            "properties": {
+              "assetId": {
+                "$ref": "#/$defs/__schema0"
+              },
+              "contentType": {
+                "const": "video/mp4",
+                "type": "string"
+              },
+              "durationSeconds": {
+                "exclusiveMinimum": 0,
+                "type": "number"
+              },
+              "height": {
+                "exclusiveMinimum": 0,
+                "maximum": 9007199254740991,
+                "type": "integer"
+              },
+              "reviewPath": {
+                "const": "/app/media",
+                "type": "string"
+              },
+              "sizeBytes": {
+                "exclusiveMinimum": 0,
+                "maximum": 262144000,
+                "type": "integer"
+              },
+              "status": {
+                "const": "ready",
+                "type": "string"
+              },
+              "width": {
+                "exclusiveMinimum": 0,
+                "maximum": 9007199254740991,
+                "type": "integer"
+              }
+            },
+            "required": [
+              "assetId",
+              "contentType",
+              "durationSeconds",
+              "height",
+              "reviewPath",
+              "sizeBytes",
+              "status",
+              "width"
+            ],
+            "type": "object"
+          }
+        ]
+      },
+      "toolName": {
+        "const": "mediaGet",
+        "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": "mediaGet",
+        "type": "string"
+      }
+    },
+    "required": [
+      "error",
+      "ok",
+      "toolName"
+    ],
+    "type": "object"
+  }
+]
  4. First observed

TDQS

A4.2/5.0
Behavior5/5

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

Despite annotations already declaring a safe read (readOnlyHint, idempotentHint, destructiveHint=false), the description adds substantial behavior: a 6 MiB inline-pixel ceiling, format-dependent byte delivery, 20 MiB image and 5 GB MP4 limits, a five-minute previewUrl lifetime, and the fact that reading grants no publication approval.

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?

Front-loaded with the core purpose, then layered limits and caveats, with every sentence carrying distinct information. Some sentences are dense (format and size limits packed together), which slightly hurts scannability but wastes nothing.

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 one-parameter read tool with an output schema, the description covers everything an agent needs: what comes back (bytes vs metadata), format/size boundaries, preview expiry, and the approval caveat. Nothing material 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 0% for the single assetId parameter, and the description never mentions it directly. The phrase 'owned ready' media does imply what kind of id is expected, but no format or acquisition guidance compensates for the coverage gap; an adequate-but-thin baseline.

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 and resource with scope: 'Returns one owned ready image or MP4'. The qualifiers 'one', 'owned', and 'ready' differentiate it from mediaList (enumeration) and mediaImport/mediaUpload* (ingestion) without needing to open their schemas.

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?

Usage is implied through conditions: request mediaGet again when previewUrl expires, and expect metadata instead of bytes for larger or unsupported formats. However, it never states when to choose this over mediaList, mediaImport, or mediaUploadGet, and gives no explicit 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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