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All markets for one race

race_markets
Read-onlyIdempotent

Every bookmaker's prices for one race across win, place and top 2/3/4, plus exotic dividends once settled. Live prices before the jump, each book's closing price after it. Give race_id, or venue + meeting_date + race_number. Costs 2 credits. Plan: Plus and above.

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "race_markets"
  }
}

Input Schema

NameRequiredDescriptionDefault
venueNoVenue name as the feeds spell it, case-insensitive, e.g. Randwick or Sandown Hillside.
countryNoTwo-letter country of the meeting. Only needed when two meetings share a venue name on one day (Ascot in Perth and in Berkshire).
marketsNoMarkets to include. Default: all.
race_idNorace_id from odds_board, race_card, race_results or the archive. The most reliable way to name a race.
bookmakersNoOnly these bookmaker keys, e.g. ["tab", "sportsbet", "ladbrokes_au"]. Default: every book. An unknown key is refused free of charge with the list of valid keys.
race_numberNo
meeting_dateNoMeeting day, YYYY-MM-DD, Australian Eastern time.

Output Schema

NameRequiredDescriptionDefault
dataYesThe API response, with links and empty fields removed.

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observed

TDQS

A3.9/5.0
Behavior4/5

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

Annotations already declare readOnly, idempotent and openWorld, but the description adds meaningful operational context: a 2-credit cost, a Plus-and-above plan requirement, live prices before the jump, closing prices after the jump, and exotic dividends only once settled.

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 four tight sentences with zero filler. Scope is front-loaded, then temporal behavior, then input alternatives, then cost and plan requirements.

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 seven optional parameters, high schema coverage, an output schema and full read-only annotations, the description covers the key missing context: what is returned, cost, plan eligibility and race-identification fallbacks. It could mention partial-failure or empty-result behavior, but the essential picture is complete.

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

Parameters4/5

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

Schema coverage is high at 86%, so the schema already documents individual parameters well. The description adds useful alternative identification logic: use race_id, or fall back to venue + meeting_date + race_number, which is not obvious from the individual field descriptions alone.

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?

States precisely what the tool returns: every bookmaker's prices for one race across win, place, top 2/3/4 and exotic dividends. It clearly distinguishes the resource scope from broad market summaries, though it does not explicitly name sibling tools like odds_board or race_odds.

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

Usage Guidelines3/5

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

The description gives the two ways to identify a race (race_id or venue + meeting_date + race_number) and notes live vs closing-price phases, which implies usage. However, it does not state when to prefer this tool over alternatives such as race_odds, odds_board or market_summary.

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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