Skip to main content
Glama

pause_simulation

Pause the physics simulation to freeze all object motion and state updates, enabling scene inspection or modifications.

Instructions

Pause the physics simulation.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
command_idNo
idempotency_keyNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Install Server

TDQS

C2.4/5.0
Behavior2/5

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

No annotations are provided, so the description carries the full burden of behavioral disclosure. It states only that the simulation is paused, but gives no information about side effects, whether the simulation state is preserved, whether pause is immediate or deferred, or how it relates to play/stop.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness3/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is brief and front-loaded, but it essentially restates the tool name. It is not bloated, yet it is so sparse that it misses opportunities to clarify behavior or distinguish from sibling tools.

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?

For a tool with no annotations, two undocumented optional parameters, and a large set of closely related simulation-control siblings, this description is under-specified. It does not explain the pause/resume lifecycle, the meaning of the optional parameters, or how this operation differs from stopping or stepping the simulation.

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

Parameters1/5

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

The schema has 0% description coverage for its two parameters, command_id and idempotency_key. The description adds no parameter-level meaning, so an agent has no help understanding what these optional fields do or when to supply them.

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

Purpose4/5

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

The description gives a clear verb and resource: 'pause' the 'physics simulation'. It is understandable on its own, but it does not explicitly distinguish itself from sibling tools like stop_simulation or step_simulation, which also act on the simulation lifecycle.

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?

There is no guidance on when to use this tool versus alternatives such as stop_simulation, play_simulation, or step_simulation. It also does not mention whether pause is resumable or what state transition it triggers, so an agent must infer usage from the name alone.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

Other Tools

Latest Blog Posts

MCP directory API

We provide all the information about MCP servers via our MCP API.

curl -X GET 'https://glama.ai/api/mcp/v1/servers/Tim0320/IsaacSim-MCP'

If you have feedback or need assistance with the MCP directory API, please join our Discord server