struct

Anthropic::WebFetchTool

Inherits JSON::Serializable < Anthropic::ServerTool < JSON::Serializable < Struct < Value < Object

Web fetch tool - allows Claude to fetch and read web pages

A server-side tool that enables Claude to retrieve content from URLs.

message = client.messages.create(
  model: Anthropic::Model::CLAUDE_SONNET_4_6,
  max_tokens: 4096,
  server_tools: [Anthropic::WebFetchTool.new],
  messages: [{role: "user", content: "Read the content at https://example.com"}]
)

Constructors

excluding(*domains : String) : self

Create a web fetch tool excluding specific domains

Source

limited_to(*domains : String) : self

Create a web fetch tool limited to specific domains

Source

new(pull : JSON::PullParser)

Web fetch tool - allows Claude to fetch and read web pages

A server-side tool that enables Claude to retrieve content from URLs.

message = client.messages.create(
  model: Anthropic::Model::CLAUDE_SONNET_4_6,
  max_tokens: 4096,
  server_tools: [Anthropic::WebFetchTool.new],
  messages: [{role: "user", content: "Read the content at https://example.com"}]
)

Source