Function assembleToolPool

src/tools.ts:350–367

(
  permissionContext: ToolPermissionContext,
  mcpTools: Tools,
)

 * @returns Combined, deduplicated array of built-in and MCP tools
 */
export function assembleToolPool(
  permissionContext: ToolPermissionContext,
  mcpTools: Tools,
): Tools {
  const builtInTools = getTools(permissionContext)

  // Filter out MCP tools that are in the deny list
  const allowedMcpTools = filterToolsByDenyRules(mcpTools, permissionContext)

  // Keep built-ins as a contiguous prefix ordered by the product tool policy.
  // MCP tools stay name-sorted behind them for deterministic prompt cache keys.
  // uniqBy preserves insertion order, so built-ins win on name conflict.
  const byName = (a: Tool, b: Tool) => a.name.localeCompare(b.name)
  return uniqBy(
    sortToolsByPolicy(builtInTools).concat(allowedMcpTools.sort(byName)),
    'name',
  )
}

/**
 * Get all tools including both built-in tools and MCP tools.