Class: RubyLLM::MCP::Adapters::MCPTransports::Stdio

Inherits:
Object
  • Object
show all
Defined in:
lib/ruby_llm/mcp/adapters/mcp_transports/stdio.rb

Overview

Custom Stdio transport for MCP SDK adapter Wraps the native Stdio transport to provide the interface expected by MCP::Client

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(command:, args: [], env: {}, request_timeout: 10_000, protocol_version: RubyLLM::MCP.config.protocol_version, notification_callback: nil) ⇒ Stdio

rubocop:disable Metrics/ParameterLists



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# File 'lib/ruby_llm/mcp/adapters/mcp_transports/stdio.rb', line 9

def initialize(command:, args: [], env: {}, request_timeout: 10_000, # rubocop:disable Metrics/ParameterLists
               protocol_version: RubyLLM::MCP.config.protocol_version, notification_callback: nil)
  # Create a minimal coordinator-like object for the native transport
  @coordinator = CoordinatorStub.new(
    protocol_version: protocol_version,
    notification_callback: notification_callback
  )

  @native_transport = RubyLLM::MCP::Native::Transports::Stdio.new(
    command: command,
    args: args,
    env: env,
    coordinator: @coordinator,
    request_timeout: request_timeout
  )

  @coordinator.transport = @native_transport
end

Instance Attribute Details

#native_transport ⇒ Object (readonly)

Returns the value of attribute native_transport.



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# File 'lib/ruby_llm/mcp/adapters/mcp_transports/stdio.rb', line 7

def native_transport
  @native_transport
end

Instance Method Details

#close ⇒ Object 



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# File 'lib/ruby_llm/mcp/adapters/mcp_transports/stdio.rb', line 32

def close
  @native_transport.close
end

#send_request(request:) ⇒ Hash

Send a JSON-RPC request and return the response This is the interface expected by MCP::Client

Parameters:

  • request (Hash) —

    A JSON-RPC request object

Returns:

  • (Hash) —

    A JSON-RPC response object



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# File 'lib/ruby_llm/mcp/adapters/mcp_transports/stdio.rb', line 41

def send_request(request:)
  start unless @native_transport.alive?

  unless request["id"] || request[:id]
    request["id"] = SecureRandom.uuid
  end
  result = @native_transport.request(request, wait_for_response: true)

  if result.is_a?(RubyLLM::MCP::Result)
    result.response
  else
    result
  end
end

#start ⇒ Object 



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# File 'lib/ruby_llm/mcp/adapters/mcp_transports/stdio.rb', line 28

def start
  @native_transport.start
end