Module: ActionMCP::Server::Handlers::LoggingHandler

Included in:
JsonRpcHandler
Defined in:
lib/action_mcp/server/handlers/logging_handler.rb

Overview

Handler for MCP logging/setLevel requests

Instance Method Summary collapse

Instance Method Details

#handle_logging_set_level(id, params) ⇒ Hash

Handle logging/setLevel request

Parameters:

  • id (String) —

    The request ID

  • params (Hash) —

    Request parameters containing level

Returns:

  • (Hash) —

    Empty hash on success



12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
 
# File 'lib/action_mcp/server/handlers/logging_handler.rb', line 12

def handle_logging_set_level(id, params)
  # Check if logging is enabled
  unless ActionMCP.configuration.logging_enabled
    transport.send_jsonrpc_error(id, :method_not_found, "Logging not enabled")
    return
  end

  # Extract and validate level parameter
  level = params[:level] || params["level"]
  unless level
    transport.send_jsonrpc_error(id, :invalid_params, "Missing required parameter: level")
    return
  end

  begin
    # Validate and set the new level
    ActionMCP::Logging.set_level(level)

    # Send successful response (empty object per MCP spec)
    transport.send_jsonrpc_response(id, result: {})
  rescue ArgumentError => e
    # Invalid level
    transport.send_jsonrpc_error(id, :invalid_params, "Invalid log level: #{e.message}")
  rescue StandardError => e
    # Internal error
    transport.send_jsonrpc_error(id, :internal_error, "Internal error: #{e.message}")
  end
end