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robosimtools-mcp

robosimtools-mcp

by RahulRajelli
OverviewSchemaSourceRelated ServersDiscussionsAdmin
JavaScript
Local

SDF to URDF

robosim_sdf_to_urdf
Read-onlyIdempotent

Convert a Gazebo SDF model to URDF by resolving model-frame poses into correct relative joint origins.

Instructions

Convert a Gazebo SDF model to URDF, resolving model-frame poses into correct relative joint origins.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "sdf": "<sdf>"
    },
    "name": "robosim_sdf_to_urdf"
  }
}

Input Schema

NameRequiredDescriptionDefault
sdfYesThe SDF XML text.

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.2.0

TDQS

A3.8/5.0
Behavior3/5

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

Annotations already indicate readOnlyHint=true, idempotentHint=true, and destructiveHint=false, so the safety profile is clear. The description adds the behavior of resolving pose frames, which is valuable context beyond annotations, but does not disclose any other behavioral traits.

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 captures the core purpose and a key technical detail. It is appropriately sized with 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?

For a simple converter tool with one parameter, no output schema, and comprehensive annotations, the description sufficiently covers the purpose, input, and a critical behavioral aspect. It could briefly mention the output format (URDF) but that is obvious from the name.

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 100% coverage for the single parameter 'sdf', with its description 'The SDF XML text.' The tool description does not add additional parameter semantics beyond what the schema provides.

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 converts a Gazebo SDF model to URDF, with a specific detail about resolving model-frame poses into correct relative joint origins. This differentiates it from sibling tools that convert other formats (e.g., STEP, Xacro) to URDF.

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 does not explicitly state when to use this tool versus alternatives like robosim_step_to_urdf or robosim_xacro_to_urdf. The input format (SDF) is implied by the name and description, but no contextual 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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