get_mjx_endpoint_status

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

Annotations already indicate readOnlyHint=true, destructiveHint=false, and idempotentHint=true, covering safety and idempotency. The description adds 'live status' suggesting real-time data, which is a useful behavioral trait. No contradictions with annotations.

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

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

The description is a single, concise sentence that conveys the core function. It is not verbose, but could be slightly more detailed without losing conciseness.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

While annotations and output schema (present but not seen) reduce the burden, the description lacks parameter details and usage guidance. For a simple retrieval tool, it is marginally adequate but not fully complete.

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

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

Schema description coverage is 0% for the single parameter 'endpoint_id'. The description only says 'by id' without explaining format, source, or constraints. The description fails to add meaningful context to the parameter.

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

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

The description clearly states the action ('Retrieve live status'), the resource ('MJX endpoint'), and the uniqueness ('single' by id). It effectively distinguishes from the sibling tool 'list_mjx_endpoint_status' which retrieves multiple endpoints.

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

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

The description mentions 'by id', implying usage when an endpoint ID is known. However, it does not explicitly state when to use this tool versus alternatives like 'list_mjx_endpoint_status', leaving the agent to infer from context.

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