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by com.iminify
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Scan a web page

scan_page

Open a web page in a browser on Iminify's servers, collect every image it loads (scrolling to the bottom), and compress each one with the settings given. It answers straight away with the scan queued; a scan takes from a few seconds to a few minutes, so call get_scan until its status is no longer queued or scanning and images_in_progress is 0. Each scan counts one against the account's daily page scans; the images it finds do not count against its daily images. Pages on private networks are refused, and a page behind a login usually comes back with no images.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
urlYesThe page to scan. https:// can be left out.
levelNoHow hard to compress. "smart" (the default) finds the lowest quality that still looks like the original; "ultra" goes further and softens fine texture a little; "lossless" changes no pixel; "none" only converts, resizes and strips metadata.
scaleNoResize to this percentage of the original, 1 to 100. Not together with width or height.
widthNoResize to this width in pixels. Alone, the height follows the aspect ratio; with height too, the image is resized to exactly that size.
formatNoConvert to this format. "auto" encodes every format that can hold the image and keeps the smallest. Leave it out to keep each image's own format (a HEIC or TIFF always comes back in another one).
heightNoResize to this height in pixels, the same way as width.
keep_metadataNoKeep the EXIF metadata (camera, date, location). Off by default, which strips it; the orientation is applied to the pixels first.

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
idNoThe scan's id.
urlNoThe page scanned.
hintNoWhat to do next, while the scan or its images are still running.
noteNoWhat the scan found, or why it stopped.
imagesNoThe images the scan found, newest first.
statusNo
settingsNo
created_atNo
updated_atNo
saved_bytesNo
images_countNo
original_sizeNoBytes, over the finished images.
saved_percentNo
optimized_sizeNoBytes, over the finished images.
images_finishedNo
images_in_progressNo

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
+  "properties": {
+    "created_at": {
+      "type": [
+        "string",
+        "null"
+      ]
+    },
+    "hint": {
+      "description": "What to do next, while the scan or its images are still running.",
+      "type": "string"
+    },
+    "id": {
+      "description": "The scan's id.",
+      "type": "string"
+    },
+    "images": {
+      "description": "The images the scan found, newest first.",
+      "items": {
+        "properties": {
+          "created_at": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "hint": {
+            "description": "What to do next, when the status alone does not say.",
+            "type": "string"
+          },
+          "id": {
+            "description": "The image's id.",
+            "type": "string"
+          },
+          "name": {
+            "description": "The name the optimized copy downloads under.",
+            "type": "string"
+          },
+          "optimized": {
+            "description": "Null until the image has finished.",
+            "properties": {
+              "download_url": {
+                "description": "Works without a token for an hour.",
+                "type": "string"
+              },
+              "format": {
+                "type": "string"
+              },
+              "height": {
+                "type": "integer"
+              },
+              "name": {
+                "type": "string"
+              },
+              "size": {
+                "description": "Bytes.",
+                "type": "integer"
+              },
+              "width": {
+                "type": "integer"
+              }
+            },
+            "required": [
+              "name",
+              "format",
+              "size",
+              "width",
+              "height",
+              "download_url"
+            ],
+            "type": [
+              "object",
+              "null"
+            ]
+          },
+          "original": {
+            "properties": {
+              "download_url": {
+                "description": "Works without a token for an hour.",
+                "type": "string"
+              },
+              "format": {
+                "type": "string"
+              },
+              "height": {
+                "type": "integer"
+              },
+              "name": {
+                "type": "string"
+              },
+              "size": {
+                "description": "Bytes.",
+                "type": "integer"
+              },
+              "width": {
+                "type": "integer"
+              }
+            },
+            "required": [
+              "name",
+              "format",
+              "size",
+              "width",
+              "height",
+              "download_url"
+            ],
+            "type": "object"
+          },
+          "saved_bytes": {
+            "description": "Negative when the optimized copy is larger.",
+            "type": [
+              "integer",
+              "null"
+            ]
+          },
+          "saved_percent": {
+            "type": [
+              "number",
+              "null"
+            ]
+          },
+          "scan_id": {
+            "description": "The page scan that found it, if one did.",
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "settings": {
+            "properties": {
+              "height": {
+                "type": [
+                  "integer",
+                  "null"
+                ]
+              },
+              "keep_metadata": {
+                "type": "boolean"
+              },
+              "level": {
+                "enum": [
+                  "none",
+                  "lossless",
+                  "ultra",
+                  "smart",
+                  null
+                ],
+                "type": [
+                  "string",
+                  "null"
+                ]
+              },
+              "scale": {
+                "type": [
+                  "integer",
+                  "null"
+                ]
+              },
+              "width": {
+                "type": [
+                  "integer",
+                  "null"
+                ]
+              }
+            },
+            "required": [
+              "level",
+              "keep_metadata",
+              "width",
+              "height",
+              "scale"
+            ],
+            "type": "object"
+          },
+          "share_url": {
+            "description": "Its public page, once shared.",
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "status": {
+            "enum": [
+              "queued",
+              "optimizing",
+              "completed",
+              "failed",
+              "already-optimized",
+              "cancelled"
+            ],
+            "type": "string"
+          },
+          "updated_at": {
+            "type": [
+              "string",
+              "null"
+            ]
+          }
+        },
+        "required": [
+          "id",
+          "status",
+          "name",
+          "original",
+          "optimized",
+          "saved_bytes",
+          "saved_percent",
+          "settings",
+          "scan_id",
+          "share_url",
+          "created_at",
+          "updated_at"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "images_count": {
+      "type": "integer"
+    },
+    "images_finished": {
+      "type": "integer"
+    },
+    "images_in_progress": {
+      "type": "integer"
+    },
+    "note": {
+      "description": "What the scan found, or why it stopped.",
+      "type": [
+        "string",
+        "null"
+      ]
+    },
+    "optimized_size": {
+      "description": "Bytes, over the finished images.",
+      "type": "integer"
+    },
+    "original_size": {
+      "description": "Bytes, over the finished images.",
+      "type": "integer"
+    },
+    "saved_bytes": {
+      "type": "integer"
+    },
+    "saved_percent": {
+      "type": [
+        "number",
+        "null"
+      ]
+    },
+    "settings": {
+      "properties": {
+        "format": {
+          "type": [
+            "string",
+            "null"
+          ]
+        },
+        "height": {
+          "type": [
+            "integer",
+            "null"
+          ]
+        },
+        "keep_metadata": {
+          "type": "boolean"
+        },
+        "level": {
+          "enum": [
+            "none",
+            "lossless",
+            "ultra",
+            "smart"
+          ],
+          "type": "string"
+        },
+        "scale": {
+          "type": [
+            "integer",
+            "null"
+          ]
+        },
+        "width": {
+          "type": [
+            "integer",
+            "null"
+          ]
+        }
+      },
+      "required": [
+        "level",
+        "format",
+        "keep_metadata",
+        "width",
+        "height",
+        "scale"
+      ],
+      "type": "object"
+    },
+    "status": {
+      "enum": [
+        "queued",
+        "scanning",
+        "completed",
+        "failed",
+        "no-image-found",
+        "cancelled"
+      ],
+      "type": "string"
+    },
+    "updated_at": {
+      "type": [
+        "string",
+        "null"
+      ]
+    },
+    "url": {
+      "description": "The page scanned.",
+      "type": "string"
+    }
+  },
+  "type": "object"
+}
  2. First observed

TDQS

A4.6/5.0
Behavior5/5

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

Annotations provide only basic hints (readOnlyHint=false, destructiveHint=false, openWorldHint=true). The description substantially adds behavioral detail: the asynchronous queued response, polling requirement, quota consumption, and refusal/empty-result conditions. No contradictions with 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?

The description is a single dense paragraph, but every sentence carries essential information—action, async behavior, quotas, and limitations. It is front-loaded with the core purpose and avoids filler. Slightly long but appropriately so for the complexity.

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?

The description covers all non-schema behavioral aspects needed to call this tool correctly: async polling, quota counting, and known failure modes. With an output schema present, return value structure is already documented. No critical gaps.

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 each parameter already has detailed explanations (e.g., 'smart' for level, resize semantics for width/height). The description adds no new parameter-level detail, so the baseline 3 applies.

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 description opens with a specific verb-resource combination: 'Open a web page in a browser on Iminify's servers, collect every image it loads, and compress each one.' This clearly differentiates it from siblings like compress_images (which compresses already-uploaded images) and get_scan (which retrieves scan results).

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

Usage Guidelines5/5

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

It explicitly explains the asynchronous flow: 'call get_scan until its status is no longer queued or scanning and images_in_progress is 0.' It also covers quota implications ('counts one against the account's daily page scans') and failure scenarios (private networks, login pages). This gives the agent clear when-to-use and how-to-handle guidance.

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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