Method execute

src/tools/browser/tools.ts:257–268

(args: z.infer<typeof EvaluateArgs>, _ctx: ToolContext)

  argsSchema = EvaluateArgs;

  async execute(args: z.infer<typeof EvaluateArgs>, _ctx: ToolContext): Promise<ToolResult> {
    try {
      const s = await getSession();
      // Wrap so the user can use `return` naturally in their script.
      const fn = new Function('arg', args.script);
      const result = await s.page.evaluate(fn.toString(), args.arg);
      const formatted = typeof result === 'object' ? JSON.stringify(result, null, 2) : String(result);
      return { content: `Result:\n${formatted.slice(0, 5000)}${formatted.length > 5000 ? '\n…[truncated]' : ''}` };
    } catch (e: any) {
      return { content: `[BROWSER_ERROR] evaluate failed: ${e?.message ?? String(e)}`, isError: true };
    }
  }
}

const GetTextArgs = z.object({