v12-dfs

get_slate_players

Get Slate Players Endpoint

Get the V12 player pool for a specific slate ID.

Responses:

200: Successful Response (Success Response) Content-Type: application/json 422: Validation Error Content-Type: application/json

Example Response:

{
  "detail": [
    {
      "loc": [],
      "msg": "Message",
      "type": "Error Type",
      "ctx": {}
    }
  ]
}

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": {
      "slate_id": "<slate_id>"
    },
    "name": "get_slate_players"
  }
}

Input Schema

Name	Required	Description	Default
`limit`	No
`compact`	No
`slate_id`	Yes

Schema Changelog

Changes observed during successful MCP inspections.

First observedJun 17, 2026

TDQS

D1.9/5.0

Behavior2/5

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

With no annotations, the description must disclose behavioral traits. It only implies a read operation via 'Get,' but does not confirm safety, idempotency, required permissions, or any side effects. The response codes listed are standard HTTP statuses and add no behavioral insight.

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

Conciseness2/5

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

The description includes extraneous details such as HTTP status codes and a generic error response example that is not tool-specific. This filler takes space that could be used for more relevant guidance, violating the principle that every sentence should earn its place.

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?

The tool has no output schema, no annotations, and low schema coverage. The description does not describe the return structure (e.g., fields, pagination) or any side effects, leaving the agent with insufficient information to use the tool effectively.

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 input schema has 3 parameters with 0% description coverage. The description does not explain 'slate_id', 'limit', or 'compact' beyond the schema definitions, leaving their meaning and usage entirely to the agent's inference.

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

Purpose3/5

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

The description states the tool retrieves the 'V12 player pool for a specific slate ID,' which identifies the action and resource. However, it does not differentiate this tool from siblings like 'list_slates' or 'slate_diff,' and the term 'player pool' is vague without further context.

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

Usage Guidelines1/5

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

The description provides no guidance on when to use this tool versus other sibling tools (e.g., list_slates, slate_health). There is no mention of prerequisites, when-not-to-use, or alternatives.

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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