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Search capture

webgl_search_capture
Read-onlyIdempotent

Search a captured WebGL frame for commands by API name, marker, object name, or stack frame text.

Instructions

Search commands by API name, marker, object name, or stack frame text.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
apiNo
limitNo
stackNo
markerNo
captureIdYes
objectNameNo
Behavior3/5

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

Annotations already declare readOnlyHint=true, idempotentHint=true, and destructiveHint=false. The description adds that it searches commands, but lacks details like result format or pagination. It does not contradict annotations.

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 single-sentence description is concise and front-loaded with the verb and resource, but it could be slightly more structured to include parameter usage context.

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 6 parameters, no output schema, and 0% schema coverage, the description is too minimal. It does not explain what 'commands' are, how the search works (fuzzy vs exact), or the response structure.

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

Parameters2/5

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

With 0% schema description coverage, the description partially explains the api, marker, objectName, and stack parameters, but omits the required captureId and limit parameter. This leaves ambiguity about their purpose beyond the bare schema.

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 tool searches commands by specific fields (API name, marker, object name, stack frame text), making the purpose distinct from siblings that list or capture data.

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

Usage Guidelines3/5

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

The description implies usage for searching commands within a capture but provides no guidance on when to use this tool versus alternatives like webgl_list_captures or webgl_get_capture_overview.

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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