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MathiasPaulenko

WaveXisMCP

by MathiasPaulenko
OverviewSchemaSourceRelated ServersScoreDiscussionsAdmin
Python
Hybrid

wavexis_drag

Destructive

Drag an element from a source CSS selector to a target selector to simulate HTML5 drag-and-drop and trigger drop events for testing UI interactions.

Instructions

Drag an element from a source selector to a target selector.

Use wavexis_drop when you need to drop arbitrary MIME data or files onto an element rather than dragging an existing DOM element.

Side effects: Performs a drag-and-drop operation between two elements, firing drag/dragstart/dragend and drop events. Returns: JSON string with keys: 'status' ('ok'/'error'). On error also 'error', 'tool', 'type', 'message', 'suggestion' (all str).

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
inputYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes

Schema Changelog

Changes observed during successful MCP inspections. Dates show when Glama detected each change.

  1. Changed8 schema fields changedv1.6.24
    • addedInput schema / $defs / DragInput / properties / backend / description
      Added value: +"Backend: 'cdp', 'bidi', or 'auto'"
    • addedInput schema / $defs / DragInput / properties / backend / enum
      Added value: +[
+  "cdp",
+  "bidi",
+  "auto"
+]
    • addedInput schema / $defs / DragInput / properties / headless / description
      Added value: +"Run browser in headless mode"
    • addedInput schema / $defs / DragInput / properties / session_id / description
      Added value: +"Active session ID. If omitted, a stateless session is created for this call."
    • addedInput schema / $defs / DragInput / properties / url / description
      Added value: +"URL to navigate to (required without session_id)"
    • addedInput schema / $defs / DragInput / properties / wait_timeout / description
      Added value: +"Timeout in ms for wait conditions"
    • addedInput schema / $defs / DragInput / properties / wait_timeout / maximum
      Added value: +300000
    • addedInput schema / $defs / DragInput / properties / wait_timeout / minimum
      Added value: +1000
  2. First observedv1.0.1

TDQS

A4.6/5.0
Behavior5/5

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

Annotations already indicate destructiveHint=true and readOnlyHint=false. The description adds context by listing side effects ('fires drag/dragstart/dragend and drop events') and the return format, which goes beyond annotations. No contradiction.

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 three sentences long, front-loading the main purpose. Every sentence adds value (action, alternative, side effects/return). No wasted words.

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?

The description covers purpose, alternative, side effects, and return format. It does not explain input parameters, but the schema handles that. Given the tool's complexity and sibling context, it is nearly complete; a minor gap is the lack of mention of session requirements.

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?

The input schema has detailed descriptions for all parameters (high coverage), so baseline is 3. The description does not add any parameter-specific information, but it is not necessary given the schema's thoroughness.

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 clearly states the action: 'Drag an element from a source selector to a target selector.' It uses a specific verb and resource, and distinguishes itself from the sibling tool wavexis_drop by explaining when to use the alternative.

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?

The description explicitly provides an alternative: 'Use wavexis_drop when you need to drop arbitrary MIME data or files onto an element rather than dragging an existing DOM element.' This gives clear guidance on when to use this tool versus a sibling.

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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