parlayapi_live_command_center

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

With no annotations, the description takes on full behavioral disclosure. It clearly states that no API key is required, that the tool returns a public payload, and that it is a demo/discovery surface with limited capabilities compared to paid endpoints. This is meaningful, though it does not cover rate limits or detailed response semantics.

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 concise and well-front-loaded, with the core purpose of claims in the first sentence and additional context in the following sentences. Every sentence adds information to the agent from the scope to the no-key requirement to the demo limitation.

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?

For a simple read-only payload tool with an output schema, the description is nearly complete: it covers what is returned, the demo nature, the access requirements, and the limitation vs. paid endpoints. The only meaningful gap is the lack of parameter guidance, which is already penalized above.

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%, so the description needed to explain 'limit' and 'sport_key', but it does not. The parameter names and defaults are minimally suggestive, but the agent is left guessing what limit bounds, whether sport_key is required for filtering, and what an empty value means.

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 states a specific verb and resource: 'Return the public best-line command center payload.' It then specifies what the result shows (current games, participating books, best available real prices on the /live dashboard preview). It also distinguishes itself as a discovery/demo surface from the paid odds endpoints among its siblings.

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 tells the agent this is the free, no-API-key discovery/demo surface and explicitly says it is 'not a substitute for the paid odds endpoints.' It gives clear context for when to use it, though it does not name the exact sibling tools to call instead for full odds.

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