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This repository was archived by the owner on Nov 10, 2025. It is now read-only.

StageHand tool error [Critical bug] #412

@zalexdev

Description

@zalexdev

When using

StagehandTool(
    api_key="your-browserbase-api-key",
    project_id="your-browserbase-project-id",
    model_api_key="your-llm-api-key",  # OpenAI or Anthropic API key
    model_name=AvailableModel.CLAUDE_3_7_SONNET_LATEST,  # Optional: specify which model to use
)

in stagehand_tool.py:

 # Build the StagehandConfig object
            config = StagehandConfig(
                env="BROWSERBASE",
                api_key=self.api_key,
                project_id=self.project_id,
                headless=self.headless,
                dom_settle_timeout_ms=self.dom_settle_timeout_ms,
                model_name=self.model_name,
                self_heal=self.self_heal,
                modelApiKey=self.model_api_key, <--- this line is missng!!!
                wait_for_captcha_solves=self.wait_for_captcha_solves,
                model_client_options=model_client_options,
                verbose=self.verbose,
                session_id=session_id or self._session_id,
            )

and so the tool is absolutely unusable because of api error

┌────────────────────────── 🔧 Agent Tool Execution ──────────────────────────┐
│                                                                             │
│  Agent: Ultimate AI Assistant with Browser Control                          │
│                                                                             │
│  Thought: Thought: I need to navigate to the specified URL and extract      │
│  information about contest winners using the Browser Automation tool.       │
│                                                                             │
│  Using Tool: Browser Automation                                             │
│                                                                             │
└─────────────────────────────────────────────────────────────────────────────┘
┌──────────────────────────────── Tool Input ─────────────────────────────────┐
│                                                                             │
│  "{\"instruction\": \"Extract information about contest winners\",          │
│  \"url\": \"https://site.com\", \"command_type\": \"extract\",              │
│  \"selector\": null}"                                                       │
│                                                                             │
└─────────────────────────────────────────────────────────────────────────────┘
┌──────────────────────────────── Tool Output ────────────────────────────────┐
│                                                                             │
│                                                                             │
│  ✅ Browser Automation Complete!                                            │
│  ━━━━━━━━━━━━━━━━━━━━━━━━━━━━                                               │
│  🌐 URL: https://site.com                                                   │
│  📋 Command: extract                                                        │
│  📝 Instruction: Extract information about contest winners                  │
│  ⏱️ Execution time: 0.3 seconds                                             │
│                                                                             │
│  📊 Result:                                                                 │
│  Error: Error using Stagehand: model_api_key is required to create a        │
│  session.                                                                   │
│  ━━━━━━━━━━━━━━━━━━━━━━━━━━━━                                               │
│                                                                             │
│                                                                             │
└─────────────────────────────────────────────────────────────────────────────┘

Please fix :)

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