Class: Rubyagents::MCP::MCPToolWrapper

Inherits:
Tool
  • Object
show all
Defined in:
lib/rubyagents/mcp.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Tool

description, inherited, input, inputs, output_type, to_prompt, to_schema, tool_name

Constructor Details

#initialize(mcp_tool, client) ⇒ MCPToolWrapper

Returns a new instance of MCPToolWrapper.



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# File 'lib/rubyagents/mcp.rb', line 89

def initialize(mcp_tool, client)
  @mcp_tool = mcp_tool
  @client = client
end

Instance Attribute Details

#client ⇒ Object (readonly)

Returns the value of attribute client.



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# File 'lib/rubyagents/mcp.rb', line 70

def client
  @client
end

#mcp_tool ⇒ Object (readonly)

Returns the value of attribute mcp_tool.



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# File 'lib/rubyagents/mcp.rb', line 70

def mcp_tool
  @mcp_tool
end

Class Method Details

.for(mcp_tool, client) ⇒ Object 



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# File 'lib/rubyagents/mcp.rb', line 72

def self.for(mcp_tool, client)
  klass = Class.new(self) do
    tool_name(mcp_tool["name"])
    description(mcp_tool["description"] || "")

    schema = mcp_tool.dig("inputSchema", "properties") || {}
    required_fields = mcp_tool.dig("inputSchema", "required") || []
    schema.each do |param_name, param_def|
      input param_name.to_sym,
            type: (param_def["type"] || "string").to_sym,
            description: param_def["description"] || "",
            required: required_fields.include?(param_name)
    end
  end
  klass.new(mcp_tool, client)
end

Instance Method Details

#call(**kwargs) ⇒ Object 



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# File 'lib/rubyagents/mcp.rb', line 94

def call(**kwargs)
  response = @client.send_request(
    request: {
      method: "tools/call",
      params: { name: @mcp_tool["name"], arguments: kwargs.transform_keys(&:to_s) }
    }
  )
  # Extract text content from MCP response
  content = response.dig("result", "content") || []
  content.filter_map { |c| c["text"] if c["type"] == "text" }.join("\n")
end