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robosimtools-mcp

robosimtools-mcp

by RahulRajelli
OverviewSchemaSourceRelated ServersDiscussionsAdmin
JavaScript
Local

Convert 3D Rotation

robosim_convert_rotation
Read-onlyIdempotent

Convert any rotation representation (quaternion, Euler angles, rotation matrix, axis-angle) to all others, including URDF roll-pitch-yaw. Supports 12 Euler sequences, intrinsic/extrinsic, and degrees.

Instructions

Convert a rotation between quaternion, Euler (12 sequences, intrinsic/extrinsic), 3x3 matrix, and axis-angle, and report URDF roll-pitch-yaw. Give it in any one representation via from; returns ALL of them.

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": {
      "from": "<from>"
    },
    "name": "robosim_convert_rotation"
  }
}

Input Schema

NameRequiredDescriptionDefault
fromYesWhich representation the input is in.
eulerNoRequired when from='euler'.
matrixNoRequired when from='matrix' (row-major).
degreesNoInterpret and report angles in degrees (else radians).
axis_angleNoRequired when from='axis_angle'.
quaternionNoRequired when from='quaternion' (auto-normalized).
output_euler_orderNoEuler order to report (default ZYX).ZYX
output_euler_intrinsicNoIntrinsic vs extrinsic for the reported Euler.

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.2.0

TDQS

A4.2/5.0
Behavior4/5

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

Annotations already indicate readOnly, idempotent, non-destructive. The description adds that quaternion is auto-normalized and that all representations are returned, providing useful behavioral context beyond annotations.

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 two sentences long, front-loaded with the core purpose, and every word adds value. No unnecessary information.

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?

Given no output schema, the description adequately states that it returns all representations, including URDF roll-pitch-yaw. It could specify the output format more precisely, but overall it is complete for a conversion tool.

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% with descriptions for each parameter. The tool description does not add extra meaning beyond what the schema provides, so a baseline of 3 is appropriate.

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 it converts between quaternion, Euler (12 sequences), 3x3 matrix, and axis-angle, and reports URDF roll-pitch-yaw. It distinguishes itself from all sibling tools, none of which are rotation converters.

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

Usage Guidelines4/5

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

The description explicitly says to provide input via `from` and that it returns all representations. It implies when to use (for rotation conversion) but doesn't list alternatives or exclusions, though none exist among siblings.

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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