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Canonical tool name: get_event_lineups
Family: Deep Sports Truth Tools
Return lineups and officials for one event.
the answer needs the people on the field, court, grid, or match sheet.
Source ownership: GSD Lookup
Use something smaller or different when
Do not use it as a general event summary or a substitute for stats or actions.
Plain-English prerequisites
This tool does not require a prerequisite ID beyond the scoped inputs shown below.
Input What it means eventIdProvider ref for one event. Prefer the GSD-facing event ref for deep-sports tools and the selected event row for hybrid follow-ons.
Input What it means idSourceLookup-path hint for the supplied ID. auto uses namespace-aware routing, gsd treats the ID as sports-truth-facing, and on treats it as On-facing. It does not change source-of-truth ownership. languageOptional BCP 47 language hint such as en-US. Use it when the host needs translated provider output.
Sequencing guidance
Needed ID or scope Call this first Then use scope Tool Catalog Start from the smallest tool that can safely anchor the workflow, then deepen only if the user asks for more.
Response highlights
Return lineups and officials for one event.
Reuse next
Reuse provider refs returned by this tool to avoid resolving the same entity again.
Read meta.agentHints.recommendedNextTools and meta.agentHints.disambiguationOptions as non-binding host hints.
Example requests
JSON-RPC
curl
TypeScript
Python
{
"jsonrpc" : "2.0" ,
"id" : "tool-call-1" ,
"method" : "tools/call" ,
"params" : {
"name" : "get_event_lineups" ,
"arguments" : {
"eventId" : "MATCH_ID"
}
}
}
Use get_event_lineups when the host already knows the right scope and needs this job directly.
Common mistakes
Calling get_event_lineups before the host has the right provider refs or bounded window.
Using get_event_lineups when a smaller sibling tool would answer the question more directly.