Function isValidToolName

src/core/tools/validateToolUse.ts:14–30

(toolName: string, experiments?: Record<string, boolean>)

 * only that the tool actually exists.
 */
export function isValidToolName(toolName: string, experiments?: Record<string, boolean>): toolName is ToolName {
	// Check if it's a valid static tool
	if ((validToolNames as readonly string[]).includes(toolName)) {
		return true
	}

	if (experiments?.customTools && customToolRegistry.has(toolName)) {
		return true
	}

	// Check if it's a dynamic MCP tool (mcp_serverName_toolName format).
	if (toolName.startsWith("mcp_")) {
		return true
	}

	return false
}

export function validateToolUse(
	toolName: ToolName,