Web Fetch サーバーツール

curl https://api.phaseo.app/v1/chat/completions \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/gpt-5-nano",
    "messages": [
      { "role": "user", "content": "Summarize https://phaseo.app/docs/v1/guides/tool-calling" }
    ],
    "tools": [
      { "type": "phaseo:web_fetch" }
    ]
  }'

{
  "type": "phaseo:web_fetch",
  "parameters": {
    "engine": "direct",
    "max_chars": 12000,
    "allowed_domains": ["phaseo.app"],
    "blocked_domains": ["internal.example.com"]
  }
}

{
  "model": "claude-sonnet-4.6",
  "max_tokens": 1024,
  "messages": [
    { "role": "user", "content": "Read the docs page and summarize the limits." }
  ],
  "tools": [
    {
      "type": "phaseo:web_fetch",
      "parameters": {
        "engine": "native",
        "max_content_tokens": 9000,
        "allowed_domains": ["phaseo.app"]
      }
    }
  ],
  "tool_choice": { "type": "tool", "name": "phaseo:web_fetch" }
}

{
  "provider": "fetch",
  "engine": "direct",
  "url": "https://phaseo.app/docs/v1/guides/tool-calling",
  "final_url": "https://phaseo.app/docs/v1/guides/tool-calling",
  "status": 200,
  "content_type": "text/html",
  "title": "Tool Calling",
  "text": "...",
  "truncated": false,
  "returned_chars": 8421
}

{
  "usage": {
    "server_tool_use": {
      "web_fetch_requests": 1
    }
  }
}