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RenderDoc MCP Server

RenderDoc MCP Server

by Hengle
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renderdoc_get_textures

Retrieve texture details from RenderDoc captures to analyze dimensions, formats, and mip levels for graphics debugging.

Instructions

Get a list of all textures in the capture with their properties (dimensions, format, mip levels, etc.).

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "renderdoc_get_textures"
  }
}

Input Schema

NameRequiredDescriptionDefault
filterNoOptional filter pattern for texture names.

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

A3.5/5.0
Behavior2/5

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

No annotations are provided, so the description carries full burden. It mentions what properties are returned but doesn't disclose behavioral traits like whether this is a read-only operation, if it requires an open capture, performance characteristics, or error conditions. The description is functional but lacks important operational context.

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, well-structured sentence that efficiently conveys the tool's purpose and scope. Every word earns its place with no redundancy or unnecessary elaboration.

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?

For a single-parameter read operation with no output schema, the description adequately explains what the tool returns but lacks context about prerequisites (e.g., requires an open capture), return format details, or limitations. It's minimally viable but leaves gaps in operational understanding.

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 schema already documents the optional 'filter' parameter. The description doesn't add any parameter-specific information beyond what's in the schema, maintaining the baseline score of 3 for adequate but not enhanced parameter semantics.

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 ('Get a list') and resource ('all textures in the capture') with specific properties mentioned (dimensions, format, mip levels). It distinguishes from sibling tools like renderdoc_get_buffers (for buffers) and renderdoc_get_texture_thumbnail (for thumbnails only).

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 retrieving texture lists, but doesn't explicitly state when to use this vs alternatives like renderdoc_search_resources (which might filter differently) or renderdoc_get_capture_info (which provides general info). No explicit when-not or alternative guidance is provided.

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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