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jumodada

DrissionPage MCP Server

by jumodada

Move Pointer to Coordinates

page_pointer_move
Destructive

Move the viewport pointer to exact CSS pixel coordinates without clicking, using either a direct jump or a bounded eased trajectory for natural cursor paths.

Instructions

Move the viewport pointer to exact CSS pixel coordinates without pressing a button, using either one direct move or a bounded natural trajectory.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
xYesViewport X coordinate in CSS pixels
yYesViewport Y coordinate in CSS pixels
tab_idNoOptional MCP or native DrissionPage tab id. When omitted, the current tab is captured at call start.
elementNoHuman-readable element or interaction description
profileNoMovement profile: direct emits one exact move; natural emits a deterministic 24-step eased cubic Bezier path with bounded 8-14ms intervals and an exact endpointdirect

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed2 schema fields changedv0.8.8
    • addedInput schema / properties / tab_id
      Added value: +{
      +  "anyOf": [
      +    {
      +      "maxLength": 128,
      +      "minLength": 1,
      +      "type": "string"
      +    },
      +    {
      +      "type": "null"
      +    }
      +  ],
      +  "default": null,
      +  "description": "Optional MCP or native DrissionPage tab id. When omitted, the current tab is captured at call start.",
      +  "title": "Tab Id"
      +}
    • changedOutput schema / oneOf
      Previous value: -[
      -  {
      -    "additionalProperties": false,
      -    "properties": {
      -      "data": {
      -        "additionalProperties": false,
      -        "properties": {
      -          "element": {
      -            "title": "Element",
      -            "type": "string"
      -          },
      -          "motion": {
      -            "$ref": "#/$defs/PointerMoveData"
      -          },
      -          "url": {
      -            "title": "Url",
      -            "type": "string"
      -          },
      -          "x": {
      -            "title": "X",
      -            "type": "number"
      -          },
      -          "y": {
      -            "title": "Y",
      -            "type": "number"
      -          }
      -        },
      -        "required": [
      -          "x",
      -          "y",
      -          "element",
      -          "url",
      -          "motion"
      -        ],
      -        "title": "PagePointerMoveData",
      -        "type": "object"
      -      },
      -      "message": {
      -        "type": "string"
      -      },
      -      "ok": {
      -        "const": true
      -      }
      -    },
      -    "required": [
      -      "ok",
      -      "message",
      -      "data"
      -    ],
      -    "type": "object"
      -  },
      -  {
      -    "additionalProperties": false,
      -    "properties": {
      -      "data": {
      -        "additionalProperties": true,
      -        "type": "object"
      -      },
      -      "error": {
      -        "additionalProperties": false,
      -        "properties": {
      -          "code": {
      -            "type": "string"
      -          },
      -          "details": {
      -            "additionalProperties": true,
      -            "type": "object"
      -          },
      -          "message": {
      -            "type": "string"
      -          }
      -        },
      -        "required": [
      -          "code",
      -          "message"
      -        ],
      -        "type": "object"
      -      },
      -      "message": {
      -        "type": "string"
      -      },
      -      "ok": {
      -        "const": false
      -      }
      -    },
      -    "required": [
      -      "ok",
      -      "message",
      -      "error"
      -    ],
      -    "type": "object"
      -  }
      -]New value: +[
      +  {
      +    "additionalProperties": false,
      +    "properties": {
      +      "data": {
      +        "additionalProperties": false,
      +        "properties": {
      +          "element": {
      +            "title": "Element",
      +            "type": "string"
      +          },
      +          "motion": {
      +            "$ref": "#/$defs/PointerMoveData"
      +          },
      +          "tab_id": {
      +            "description": "MCP tab id captured for this operation.",
      +            "maxLength": 128,
      +            "minLength": 1,
      +            "type": "string"
      +          },
      +          "url": {
      +            "title": "Url",
      +            "type": "string"
      +          },
      +          "x": {
      +            "title": "X",
      +            "type": "number"
      +          },
      +          "y": {
      +            "title": "Y",
      +            "type": "number"
      +          }
      +        },
      +        "required": [
      +          "x",
      +          "y",
      +          "element",
      +          "url",
      +          "motion",
      +          "tab_id"
      +        ],
      +        "title": "PagePointerMoveData",
      +        "type": "object"
      +      },
      +      "message": {
      +        "type": "string"
      +      },
      +      "ok": {
      +        "const": true
      +      }
      +    },
      +    "required": [
      +      "ok",
      +      "message",
      +      "data"
      +    ],
      +    "type": "object"
      +  },
      +  {
      +    "additionalProperties": false,
      +    "properties": {
      +      "data": {
      +        "additionalProperties": true,
      +        "type": "object"
      +      },
      +      "error": {
      +        "additionalProperties": false,
      +        "properties": {
      +          "code": {
      +            "type": "string"
      +          },
      +          "details": {
      +            "additionalProperties": true,
      +            "type": "object"
      +          },
      +          "message": {
      +            "type": "string"
      +          }
      +        },
      +        "required": [
      +          "code",
      +          "message"
      +        ],
      +        "type": "object"
      +      },
      +      "message": {
      +        "type": "string"
      +      },
      +      "ok": {
      +        "const": false
      +      }
      +    },
      +    "required": [
      +      "ok",
      +      "message",
      +      "error"
      +    ],
      +    "type": "object"
      +  }
      +]
  2. Addedv0.7.2

TDQS

A4.2/5.0
Behavior4/5

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

Annotations already declare the safety profile (readOnlyHint=false, destructiveHint=true, idempotentHint=false, openWorldHint=true), so the bar is lower. The description still adds real behavioral substance: a bounded trajectory, a deterministic 24-step eased cubic Bezier path, 8-14ms intervals, and an exact endpoint, which tells an agent the call can consume measurable time and can trigger hover-driven page behavior.

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 front-loads the operation, then the constraint, then the movement modes. No filler and no repetition of the schema.

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

Completeness4/5

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

With a full input schema, an output schema, and annotations covering safety, the description only needs to explain intent and behavior, which it does. It omits any note about tab targeting or hover side effects, which is minor given the schema's tab_id documentation.

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 baseline is 3. The description restates the coordinate target and loosely references the direct/natural distinction, but adds no syntax, default, or edge-case detail beyond what the schema's property descriptions already state.

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 ('Move the viewport pointer to exact CSS pixel coordinates') and immediately scopes it against related siblings with 'without pressing a button', which separates it from page_click_xy, page_pointer_drag, and drag-element tools. An agent can identify the operation and its boundary 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?

The phrase 'without pressing a button' gives clear context for when this tool applies versus click/drag interactions, and the two movement profiles are named. It stops short of explicitly naming the alternatives (page_pointer_drag, page_click_xy) or stating exclusion conditions, so it is strong context rather than full routing guidance.

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