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Arenukvern

Flutter Inspector MCP Server

inspector_dispose_group

Dispose a specific inspector group to release allocated memory in a Flutter app. Provide the group ID.

Instructions

RPC: Dispose a specific inspector group to free up memory (ext.flutter.inspector.disposeGroup)

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
portNoPort number where the Flutter app is running (defaults to 8181)
groupIdYesID of the group to dispose
Behavior2/5

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

With no annotations, the description must disclose behavioral traits. It mentions 'dispose' and 'free up memory' implying destruction, but fails to detail side effects, reversibility, or required permissions. This is insufficient for a mutation operation.

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 a single, succinct sentence that includes the RPC name in parentheses. It is front-loaded with the action and resource, and contains no unnecessary words.

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

Completeness3/5

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

Given the simplicity of the tool (2 params, no output schema), the description is adequate but incomplete. It does not explain how to obtain a groupId or what happens after disposal, which could hinder correct usage.

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 coverage is 100%, so baseline is 3. The description adds no additional meaning to the parameters; it only restates the tool's function. No extra context like value ranges or sources for groupId is provided.

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 verb 'Dispose', the resource 'specific inspector group', and the purpose 'to free up memory'. It also includes the RPC name for clarity. It distinguishes itself from siblings like 'inspector_dispose_all_groups' by specifying 'specific'.

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

Usage Guidelines2/5

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

No guidance is provided on when to use this tool versus alternatives like 'inspector_dispose_all_groups' or 'inspector_dispose_id'. The description does not mention prerequisites or contexts.

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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