Function filterSchemasByRelevance

src/agent/tool-relevance.ts:164–177

(
  schemas: ToolSchema[],
  signalText: string,
)

  trivial: boolean;
}

export function selectRelevantToolNames(allNames: string[], signalText: string): RelevanceResult {
  const text = ` ${signalText.toLowerCase()} `;
  const selected = new Set<string>();

  // Tier 1: CORE always.
  for (const n of allNames) if (CORE_TOOLS.has(n)) selected.add(n);

  const trivial = isTrivial(signalText);

  // Tier 2: COMMON for any real (non-trivial) task — language-agnostic.
  if (!trivial) {
    for (const n of expand(COMMON_FAMILY_MEMBERS, allNames)) selected.add(n);
  }

  // Tier 3: SPECIALIST only on explicit signal.
  let matchedFamilies = 0;