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skylarbarrera

react-devtools-mcp

get_component_filters

Retrieve active component filters to control which React components are visible during debugging sessions, enabling focused analysis of application state and behavior.

Instructions

Get current component filters

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior2/5

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

With no annotations provided, the description carries the full burden of behavioral disclosure. It implies a read operation ('Get') but does not specify if it requires authentication, has side effects, returns structured data, or involves rate limits. This is inadequate for a tool with zero annotation coverage, as critical behavioral traits are omitted.

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, efficient sentence with no wasted words, making it appropriately concise. However, it is front-loaded with minimal information, which could be improved by adding context without sacrificing brevity.

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

Completeness2/5

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

Given the lack of annotations and output schema, the description is incomplete. It does not explain what component filters are, what the return format might be, or how this tool fits into the broader context of sibling tools like 'set_component_filters'. For a tool in a complex environment with many siblings, more context is needed.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema has 0 parameters with 100% coverage, so no parameter documentation is needed. The description does not add param details, which is appropriate, but it could have clarified the absence of inputs. Baseline is 4 for zero parameters, as the schema fully covers the lack of inputs.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose2/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description 'Get current component filters' restates the tool name with minimal elaboration, making it tautological. While it indicates a read operation on component filters, it lacks specificity about what component filters are or what resource scope is involved, failing to distinguish meaningfully from sibling tools like 'set_component_filters' or 'search_components'.

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. It does not mention prerequisites, context for retrieving filters, or how it differs from related tools like 'set_component_filters' or 'get_component_tree', leaving the agent without usage direction.

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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