Screenrove: UI Design Reference & Screenshots (free Mobbin alternative)

Get one product

get_product

Read-only

Get one product's collection: what was captured (coverageLabel, coverage, captureNote) and every screen, grouped into flow, marketing and product, one line each (id, title, primary pattern, page url). detail=full adds each screen's notes and tags. Use it to explore a competitor's whole UI; then get_screen_image on the screens you will build from, and get_design to match its look.

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": {
      "productId": "<productId>"
    },
    "name": "get_product"
  }
}

Input Schema

Name	Required	Description	Default
`detail`	No	full adds each screen's notes and tags.	brief
`productId`	Yes	Product id from list_products, e.g. linear, stripe or airbnb.

Output Schema

Name	Required	Description	Default
`id`	No
`url`	No
`name`	No
`next`	No
`tags`	No
`scope`	No
`counts`	No
`source`	No
`screens`	No
`captured`	No
`category`	No
`coverage`	No
`handoffs`	No
`flowTitle`	No
`scopeLabel`	No
`captureNote`	No
`description`	No
`coverageLabel`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed14 schema fields changedOct 30, 2026

addedInput schema / properties / detail

Added value: +{
+  "default": "brief",
+  "description": "full adds each screen's notes and tags.",
+  "enum": [
+    "brief",
+    "full"
+  ],
+  "type": "string"
+}

changedInput schema / properties / productId / description

Previous value: -"Product id from listProducts, e.g. linear, stripe or airbnb."New value: +"Product id from list_products, e.g. linear, stripe or airbnb."

removedOutput schema / properties / captured / format
```
Removed value: -"date"
```
addedOutput schema / properties / category
```
Added value: +{
+  "type": "string"
+}
```

removedOutput schema / properties / counts / description

Removed value: -"A flow step can show the same screenshot as a product or marketing screen (same id), so the per-kind counts can add up to more than screenshots."

removedOutput schema / properties / counts / properties

Removed value: -{
-  "flow": {
-    "type": "integer"
-  },
-  "marketing": {
-    "type": "integer"
-  },
-  "product": {
-    "type": "integer"
-  },
-  "screenshots": {
-    "description": "Distinct screenshots in the collection.",
-    "type": "integer"
-  }
-}

addedOutput schema / properties / coverageLabel
```
Added value: +{
+  "type": "string"
+}
```
removedOutput schema / properties / handoffs / items
```
Removed value: -{
-  "type": "string"
-}
```
addedOutput schema / properties / next
```
Added value: +{
+  "type": "string"
+}
```

removedOutput schema / properties / scope / description

Removed value: -"What was captured. marketing: logged-out marketing pages only. public-demo: logged out, but real\nproduct surfaces or public demos were used. task-incomplete: signed in, but the journey stops before\nits result. signed-in: signed in, and the journey reaches its result.\n"

removedOutput schema / properties / scope / enum

Removed value: -[
-  "marketing",
-  "public-demo",
-  "task-incomplete",
-  "signed-in"
-]

removedOutput schema / properties / scopeLabel / description

Removed value: -"Scope in words: Marketing only, Public demo, Task incomplete or Signed in."

removedOutput schema / properties / screens / properties

Removed value: -{
-  "flow": {
-    "items": {
-      "properties": {
-        "id": {
-          "type": "string"
-        },
-        "imageUrl": {
-          "type": "string"
-        },
-        "kind": {
-          "description": "flow is an onboarding step, marketing a public web page, product an in-app screen.",
-          "enum": [
-            "flow",
-            "marketing",
-            "product"
-          ],
-          "type": "string"
-        },
-        "notes": {
-          "type": "string"
-        },
-        "previewUrl": {
-          "description": "Screen-sized preview (the top of long pages). Present on pick options and related screens.",
-          "type": "string"
-        },
-        "product": {
-          "type": "string"
-        },
-        "productName": {
-          "description": "Present on pick options and related screens.",
-          "type": "string"
-        },
-        "scope": {
-          "description": "What was captured. marketing: logged-out marketing pages only. public-demo: logged out, but real\nproduct surfaces or public demos were used. task-incomplete: signed in, but the journey stops before\nits result. signed-in: signed in, and the journey reaches its result.\n",
-          "enum": [
-            "marketing",
-            "public-demo",
-            "task-incomplete",
-            "signed-in"
-          ],
-          "type": "string"
-        },
-        "style": {
-          "description": "What the screen looks like, judged from its first viewport (tags/style-spec.md). Searchable through q.",
-          "properties": {
-            "accentHue": {
-              "description": "The accent hue of buttons and highlights, or none.",
-              "type": "string"
-            },
-            "aesthetic": {
-              "description": "One or two of minimal, editorial, playful, technical, glassy, bold, warm, data-dense, retro, corporate.",
-              "items": {
-                "type": "string"
-              },
-              "type": "array"
-            },
-            "caption": {
-              "description": "What makes the screen look the way it does.",
-              "type": "string"
-            },
-            "colorMode": {
-              "enum": [
-                "monochrome",
-                "single-accent",
-                "multi-color",
-                "pastel",
-                "vivid-gradient"
-              ],
-              "type": "string"
-            },
-            "density": {
-              "enum": [
-                "airy",
-                "balanced",
-                "dense"
-              ],
-              "type": "string"
-            },
-            "headingFont": {
-              "enum": [
-                "sans",
-                "serif",
-                "mono",
-                "rounded",
-                "display"
-              ],
-              "type": "string"
-            },
-            "imagery": {
-              "description": "One or two of none, product-ui, photography, illustration, 3d, icons-only, charts.",
-              "items": {
-                "type": "string"
-              },
-              "type": "array"
-            },
-            "theme": {
-              "enum": [
-                "light",
-                "dark",
-                "mixed"
-              ],
-              "type": "string"
-            }
-          },
-          "type": "object"
-        },
-        "tags": {
-          "description": "Design-problem tags. The first pattern is the primary one. See listTags.",
-          "properties": {
-            "component": {
-              "items": {
-                "type": "string"
-              },
-              "type": "array"
-            },
-            "pattern": {
-              "items": {
-                "type": "string"
-              },
-              "type": "array"
-            },
-            "state": {
-              "items": {
-                "type": "string"
-              },
-              "type": "array"
-            },
-            "task": {
-              "items": {
-                "type": "string"
-              },
-              "type": "array"
-            }
-          },
-          "type": "object"
-        },
-        "title": {
-          "type": "string"
-        }
-      },
-      "type": "object"
-    },
-    "type": "array"
-  },
-  "marketing": {
-    "items": {
-      "properties": {
-        "id": {
-          "type": "string"
-        },
-        "imageUrl": {
-          "type": "string"
-        },
-        "kind": {
-          "description": "flow is an onboarding step, marketing a public web page, product an in-app screen.",
-          "enum": [
-            "flow",
-            "marketing",
-            "product"
-          ],
-          "type": "string"
-        },
-        "notes": {
-          "type": "string"
-        },
-        "previewUrl": {
-          "description": "Screen-sized preview (the top of long pages). Present on pick options and related screens.",
-          "type": "string"
-        },
-        "product": {
-          "type": "string"
-        },
-        "productName": {
-          "description": "Present on pick options and related screens.",
-          "type": "string"
-        },
-        "scope": {
-          "description": "What was captured. marketing: logged-out marketing pages only. public-demo: logged out, but real\nproduct surfaces or public demos were used. task-incomplete: signed in, but the journey stops before\nits result. signed-in: signed in, and the journey reaches its result.\n",
-          "enum": [
-            "marketing",
-            "public-demo",
-            "task-incomplete",
-            "signed-in"
-          ],
-          "type": "string"
-        },
-        "style": {
-          "description": "What the screen looks like, judged from its first viewport (tags/style-spec.md). Searchable through q.",
-          "properties": {
-            "accentHue": {
-              "description": "The accent hue of buttons and highlights, or none.",
-              "type": "string"
-            },
-            "aesthetic": {
-              "description": "One or two of minimal, editorial, playful, technical, glassy, bold, warm, data-dense, retro, corporate.",
-              "items": {
-                "type": "string"
-              },
-              "type": "array"
-            },
-            "caption": {
-              "description": "What makes the screen look the way it does.",
-              "type": "string"
-            },
-            "colorMode": {
-              "enum": [
-                "monochrome",
-                "single-accent",
-                "multi-color",
-                "pastel",
-                "vivid-gradient"
-              ],
-              "type": "string"
-            },
-            "density": {
-              "enum": [
-                "airy",
-                "balanced",
-                "dense"
-              ],
-              "type": "string"
-            },
-            "headingFont": {
-              "enum": [
-                "sans",
-                "serif",
-                "mono",
-                "rounded",
-                "display"
-              ],
-              "type": "string"
-            },
-            "imagery": {
-              "description": "One or two of none, product-ui, photography, illustration, 3d, icons-only, charts.",
-              "items": {
-                "type": "string"
-              },
-              "type": "array"
-            },
-            "theme": {
-              "enum": [
-                "light",
-                "dark",
-                "mixed"
-              ],
-              "type": "string"
-            }
-          },
-          "type": "object"
-        },
-        "tags": {
-          "description": "Design-problem tags. The first pattern is the primary one. See listTags.",
-          "properties": {
-            "component": {
-              "items": {
-                "type": "string"
-              },
-              "type": "array"
-            },
-            "pattern": {
-              "items": {
-                "type": "string"
-              },
-              "type": "array"
-            },
-            "state": {
-              "items": {
-                "type": "string"
-              },
-              "type": "array"
-            },
-            "task": {
-              "items": {
-                "type": "string"
-              },
-              "type": "array"
-            }
-          },
-          "type": "object"
-        },
-        "title": {
-          "type": "string"
-        }
-      },
-      "type": "object"
-    },
-    "type": "array"
-  },
-  "product": {
-    "items": {
-      "properties": {
-        "id": {
-          "type": "string"
-        },
-        "imageUrl": {
-          "type": "string"
-        },
-        "kind": {
-          "description": "flow is an onboarding step, marketing a public web page, product an in-app screen.",
-          "enum": [
-            "flow",
-            "marketing",
-            "product"
-          ],
-          "type": "string"
-        },
-        "notes": {
-          "type": "string"
-        },
-        "previewUrl": {
-          "description": "Screen-sized preview (the top of long pages). Present on pick options and related screens.",
-          "type": "string"
-        },
-        "product": {
-          "type": "string"
-        },
-        "productName": {
-          "description": "Present on pick options and related screens.",
-          "type": "string"
-        },
-        "scope": {
-          "description": "What was captured. marketing: logged-out marketing pages only. public-demo: logged out, but real\nproduct surfaces or public demos were used. task-incomplete: signed in, but the journey stops before\nits result. signed-in: signed in, and the journey reaches its result.\n",
-          "enum": [
-            "marketing",
-            "public-demo",
-            "task-incomplete",
-            "signed-in"
-          ],
-          "type": "string"
-        },
-        "style": {
-          "description": "What the screen looks like, judged from its first viewport (tags/style-spec.md). Searchable through q.",
-          "properties": {
-            "accentHue": {
-              "description": "The accent hue of buttons and highlights, or none.",
-              "type": "string"
-            },
-            "aesthetic": {
-              "description": "One or two of minimal, editorial, playful, technical, glassy, bold, warm, data-dense, retro, corporate.",
-              "items": {
-                "type": "string"
-              },
-              "type": "array"
-            },
-            "caption": {
-              "description": "What makes the screen look the way it does.",
-              "type": "string"
-            },
-            "colorMode": {
-              "enum": [
-                "monochrome",
-                "single-accent",
-                "multi-color",
-                "pastel",
-                "vivid-gradient"
-              ],
-              "type": "string"
-            },
-            "density": {
-              "enum": [
-                "airy",
-                "balanced",
-                "dense"
-              ],
-              "type": "string"
-            },
-            "headingFont": {
-              "enum": [
-                "sans",
-                "serif",
-                "mono",
-                "rounded",
-                "display"
-              ],
-              "type": "string"
-            },
-            "imagery": {
-              "description": "One or two of none, product-ui, photography, illustration, 3d, icons-only, charts.",
-              "items": {
-                "type": "string"
-              },
-              "type": "array"
-            },
-            "theme": {
-              "enum": [
-                "light",
-                "dark",
-                "mixed"
-              ],
-              "type": "string"
-            }
-          },
-          "type": "object"
-        },
-        "tags": {
-          "description": "Design-problem tags. The first pattern is the primary one. See listTags.",
-          "properties": {
-            "component": {
-              "items": {
-                "type": "string"
-              },
-              "type": "array"
-            },
-            "pattern": {
-              "items": {
-                "type": "string"
-              },
-              "type": "array"
-            },
-            "state": {
-              "items": {
-                "type": "string"
-              },
-              "type": "array"
-            },
-            "task": {
-              "items": {
-                "type": "string"
-              },
-              "type": "array"
-            }
-          },
-          "type": "object"
-        },
-        "title": {
-          "type": "string"
-        }
-      },
-      "type": "object"
-    },
-    "type": "array"
-  }
-}

removedOutput schema / properties / tags / items
```
Removed value: -{
-  "type": "string"
-}
```

Changed3 schema fields changedOct 25, 2026

addedOutput schema / properties / screens / properties / flow / items / properties / style

Added value: +{
+  "description": "What the screen looks like, judged from its first viewport (tags/style-spec.md). Searchable through q.",
+  "properties": {
+    "accentHue": {
+      "description": "The accent hue of buttons and highlights, or none.",
+      "type": "string"
+    },
+    "aesthetic": {
+      "description": "One or two of minimal, editorial, playful, technical, glassy, bold, warm, data-dense, retro, corporate.",
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    },
+    "caption": {
+      "description": "What makes the screen look the way it does.",
+      "type": "string"
+    },
+    "colorMode": {
+      "enum": [
+        "monochrome",
+        "single-accent",
+        "multi-color",
+        "pastel",
+        "vivid-gradient"
+      ],
+      "type": "string"
+    },
+    "density": {
+      "enum": [
+        "airy",
+        "balanced",
+        "dense"
+      ],
+      "type": "string"
+    },
+    "headingFont": {
+      "enum": [
+        "sans",
+        "serif",
+        "mono",
+        "rounded",
+        "display"
+      ],
+      "type": "string"
+    },
+    "imagery": {
+      "description": "One or two of none, product-ui, photography, illustration, 3d, icons-only, charts.",
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    },
+    "theme": {
+      "enum": [
+        "light",
+        "dark",
+        "mixed"
+      ],
+      "type": "string"
+    }
+  },
+  "type": "object"
+}

addedOutput schema / properties / screens / properties / marketing / items / properties / style

Added value: +{
+  "description": "What the screen looks like, judged from its first viewport (tags/style-spec.md). Searchable through q.",
+  "properties": {
+    "accentHue": {
+      "description": "The accent hue of buttons and highlights, or none.",
+      "type": "string"
+    },
+    "aesthetic": {
+      "description": "One or two of minimal, editorial, playful, technical, glassy, bold, warm, data-dense, retro, corporate.",
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    },
+    "caption": {
+      "description": "What makes the screen look the way it does.",
+      "type": "string"
+    },
+    "colorMode": {
+      "enum": [
+        "monochrome",
+        "single-accent",
+        "multi-color",
+        "pastel",
+        "vivid-gradient"
+      ],
+      "type": "string"
+    },
+    "density": {
+      "enum": [
+        "airy",
+        "balanced",
+        "dense"
+      ],
+      "type": "string"
+    },
+    "headingFont": {
+      "enum": [
+        "sans",
+        "serif",
+        "mono",
+        "rounded",
+        "display"
+      ],
+      "type": "string"
+    },
+    "imagery": {
+      "description": "One or two of none, product-ui, photography, illustration, 3d, icons-only, charts.",
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    },
+    "theme": {
+      "enum": [
+        "light",
+        "dark",
+        "mixed"
+      ],
+      "type": "string"
+    }
+  },
+  "type": "object"
+}

addedOutput schema / properties / screens / properties / product / items / properties / style

Added value: +{
+  "description": "What the screen looks like, judged from its first viewport (tags/style-spec.md). Searchable through q.",
+  "properties": {
+    "accentHue": {
+      "description": "The accent hue of buttons and highlights, or none.",
+      "type": "string"
+    },
+    "aesthetic": {
+      "description": "One or two of minimal, editorial, playful, technical, glassy, bold, warm, data-dense, retro, corporate.",
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    },
+    "caption": {
+      "description": "What makes the screen look the way it does.",
+      "type": "string"
+    },
+    "colorMode": {
+      "enum": [
+        "monochrome",
+        "single-accent",
+        "multi-color",
+        "pastel",
+        "vivid-gradient"
+      ],
+      "type": "string"
+    },
+    "density": {
+      "enum": [
+        "airy",
+        "balanced",
+        "dense"
+      ],
+      "type": "string"
+    },
+    "headingFont": {
+      "enum": [
+        "sans",
+        "serif",
+        "mono",
+        "rounded",
+        "display"
+      ],
+      "type": "string"
+    },
+    "imagery": {
+      "description": "One or two of none, product-ui, photography, illustration, 3d, icons-only, charts.",
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    },
+    "theme": {
+      "enum": [
+        "light",
+        "dark",
+        "mixed"
+      ],
+      "type": "string"
+    }
+  },
+  "type": "object"
+}

Changed16 schema fields changedOct 22, 2026

addedOutput schema / properties / counts / description

Added value: +"A flow step can show the same screenshot as a product or marketing screen (same id), so the per-kind counts can add up to more than screenshots."

addedOutput schema / properties / counts / properties / screenshots

Added value: +{
+  "description": "Distinct screenshots in the collection.",
+  "type": "integer"
+}

addedOutput schema / properties / scope

Added value: +{
+  "description": "What was captured. marketing: logged-out marketing pages only. public-demo: logged out, but real\nproduct surfaces or public demos were used. task-incomplete: signed in, but the journey stops before\nits result. signed-in: signed in, and the journey reaches its result.\n",
+  "enum": [
+    "marketing",
+    "public-demo",
+    "task-incomplete",
+    "signed-in"
+  ],
+  "type": "string"
+}

addedOutput schema / properties / scopeLabel

Added value: +{
+  "description": "Scope in words: Marketing only, Public demo, Task incomplete or Signed in.",
+  "type": "string"
+}

changedOutput schema / properties / screens / properties / flow / items / properties / previewUrl / description

Previous value: -"Screen-sized preview (the top of long pages). Present on pick options."New value: +"Screen-sized preview (the top of long pages). Present on pick options and related screens."

changedOutput schema / properties / screens / properties / flow / items / properties / productName / description
```
Previous value: -"Present on pick options."New value: +"Present on pick options and related screens."
```

addedOutput schema / properties / screens / properties / flow / items / properties / scope

Added value: +{
+  "description": "What was captured. marketing: logged-out marketing pages only. public-demo: logged out, but real\nproduct surfaces or public demos were used. task-incomplete: signed in, but the journey stops before\nits result. signed-in: signed in, and the journey reaches its result.\n",
+  "enum": [
+    "marketing",
+    "public-demo",
+    "task-incomplete",
+    "signed-in"
+  ],
+  "type": "string"
+}

addedOutput schema / properties / screens / properties / flow / items / properties / tags

Added value: +{
+  "description": "Design-problem tags. The first pattern is the primary one. See listTags.",
+  "properties": {
+    "component": {
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    },
+    "pattern": {
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    },
+    "state": {
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    },
+    "task": {
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    }
+  },
+  "type": "object"
+}

changedOutput schema / properties / screens / properties / marketing / items / properties / previewUrl / description

Previous value: -"Screen-sized preview (the top of long pages). Present on pick options."New value: +"Screen-sized preview (the top of long pages). Present on pick options and related screens."

changedOutput schema / properties / screens / properties / marketing / items / properties / productName / description
```
Previous value: -"Present on pick options."New value: +"Present on pick options and related screens."
```

addedOutput schema / properties / screens / properties / marketing / items / properties / scope

Added value: +{
+  "description": "What was captured. marketing: logged-out marketing pages only. public-demo: logged out, but real\nproduct surfaces or public demos were used. task-incomplete: signed in, but the journey stops before\nits result. signed-in: signed in, and the journey reaches its result.\n",
+  "enum": [
+    "marketing",
+    "public-demo",
+    "task-incomplete",
+    "signed-in"
+  ],
+  "type": "string"
+}

addedOutput schema / properties / screens / properties / marketing / items / properties / tags

Added value: +{
+  "description": "Design-problem tags. The first pattern is the primary one. See listTags.",
+  "properties": {
+    "component": {
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    },
+    "pattern": {
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    },
+    "state": {
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    },
+    "task": {
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    }
+  },
+  "type": "object"
+}

changedOutput schema / properties / screens / properties / product / items / properties / previewUrl / description

Previous value: -"Screen-sized preview (the top of long pages). Present on pick options."New value: +"Screen-sized preview (the top of long pages). Present on pick options and related screens."

changedOutput schema / properties / screens / properties / product / items / properties / productName / description
```
Previous value: -"Present on pick options."New value: +"Present on pick options and related screens."
```

addedOutput schema / properties / screens / properties / product / items / properties / scope

Added value: +{
+  "description": "What was captured. marketing: logged-out marketing pages only. public-demo: logged out, but real\nproduct surfaces or public demos were used. task-incomplete: signed in, but the journey stops before\nits result. signed-in: signed in, and the journey reaches its result.\n",
+  "enum": [
+    "marketing",
+    "public-demo",
+    "task-incomplete",
+    "signed-in"
+  ],
+  "type": "string"
+}

addedOutput schema / properties / screens / properties / product / items / properties / tags

Added value: +{
+  "description": "Design-problem tags. The first pattern is the primary one. See listTags.",
+  "properties": {
+    "component": {
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    },
+    "pattern": {
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    },
+    "state": {
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    },
+    "task": {
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    }
+  },
+  "type": "object"
+}

Changed1 schema field changedSep 30, 2026

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "properties": {
+    "captureNote": {
+      "type": "string"
+    },
+    "captured": {
+      "format": "date",
+      "type": "string"
+    },
+    "counts": {
+      "properties": {
+        "flow": {
+          "type": "integer"
+        },
+        "marketing": {
+          "type": "integer"
+        },
+        "product": {
+          "type": "integer"
+        }
+      },
+      "type": "object"
+    },
+    "coverage": {
+      "type": "string"
+    },
+    "description": {
+      "type": "string"
+    },
+    "flowTitle": {
+      "type": "string"
+    },
+    "handoffs": {
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    },
+    "id": {
+      "type": "string"
+    },
+    "name": {
+      "type": "string"
+    },
+    "screens": {
+      "properties": {
+        "flow": {
+          "items": {
+            "properties": {
+              "id": {
+                "type": "string"
+              },
+              "imageUrl": {
+                "type": "string"
+              },
+              "kind": {
+                "description": "flow is an onboarding step, marketing a public web page, product an in-app screen.",
+                "enum": [
+                  "flow",
+                  "marketing",
+                  "product"
+                ],
+                "type": "string"
+              },
+              "notes": {
+                "type": "string"
+              },
+              "previewUrl": {
+                "description": "Screen-sized preview (the top of long pages). Present on pick options.",
+                "type": "string"
+              },
+              "product": {
+                "type": "string"
+              },
+              "productName": {
+                "description": "Present on pick options.",
+                "type": "string"
+              },
+              "title": {
+                "type": "string"
+              }
+            },
+            "type": "object"
+          },
+          "type": "array"
+        },
+        "marketing": {
+          "items": {
+            "properties": {
+              "id": {
+                "type": "string"
+              },
+              "imageUrl": {
+                "type": "string"
+              },
+              "kind": {
+                "description": "flow is an onboarding step, marketing a public web page, product an in-app screen.",
+                "enum": [
+                  "flow",
+                  "marketing",
+                  "product"
+                ],
+                "type": "string"
+              },
+              "notes": {
+                "type": "string"
+              },
+              "previewUrl": {
+                "description": "Screen-sized preview (the top of long pages). Present on pick options.",
+                "type": "string"
+              },
+              "product": {
+                "type": "string"
+              },
+              "productName": {
+                "description": "Present on pick options.",
+                "type": "string"
+              },
+              "title": {
+                "type": "string"
+              }
+            },
+            "type": "object"
+          },
+          "type": "array"
+        },
+        "product": {
+          "items": {
+            "properties": {
+              "id": {
+                "type": "string"
+              },
+              "imageUrl": {
+                "type": "string"
+              },
+              "kind": {
+                "description": "flow is an onboarding step, marketing a public web page, product an in-app screen.",
+                "enum": [
+                  "flow",
+                  "marketing",
+                  "product"
+                ],
+                "type": "string"
+              },
+              "notes": {
+                "type": "string"
+              },
+              "previewUrl": {
+                "description": "Screen-sized preview (the top of long pages). Present on pick options.",
+                "type": "string"
+              },
+              "product": {
+                "type": "string"
+              },
+              "productName": {
+                "description": "Present on pick options.",
+                "type": "string"
+              },
+              "title": {
+                "type": "string"
+              }
+            },
+            "type": "object"
+          },
+          "type": "array"
+        }
+      },
+      "type": "object"
+    },
+    "source": {
+      "type": "string"
+    },
+    "tags": {
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    },
+    "url": {
+      "type": "string"
+    }
+  },
+  "type": "object"
+}

First observedSep 29, 2026

TDQS

A4.5/5.0

Behavior5/5

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

Annotations already declare read-only, non-destructive, closed-world behavior, and the description adds substantial context about what is returned: coverage metadata, screen grouping, one-line-per-screen fields, and the effect of detail=full. This gives the agent a clear behavioral picture beyond the safety hints.

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?

The description is front-loaded with the main action and returned structure, then moves efficiently to the detail option and follow-up workflow. Every sentence contributes useful information without repetition or filler.

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?

Given the presence of an output schema and full annotations, the description is complete enough for correct invocation. It covers the collection's shape, the detail flag's impact, and the intended workflow, leaving no major agent-facing 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%, so the schema already documents productId and the detail enum. The description explains detail=full similarly to the schema but adds little parameter meaning beyond that, making 3 the appropriate 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?

The description uses a specific verb and resource ('Get one product's collection') and immediately defines what that collection contains: captured metadata plus every screen grouped into flow, marketing, and product. It also distinguishes the tool's role from follow-up tools such as get_screen_image and get_design, so an agent can identify it without opening the 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 gives clear usage context ('explore a competitor's whole UI') and names explicit next-step alternatives: get_screen_image for screens to build from and get_design for visual matching. It does not explicitly state when not to use this versus list_products or search_screens, so it stops short of a full 5.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

All Screenrove: UI Design Reference & Screenshots (free Mobbin alternative) tools Inspect

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