Module: ModelContextProtocol::Methods

Extended by:
Methods
Included in:
Methods
Defined in:
lib/model_context_protocol/methods.rb

Defined Under Namespace

Classes: MissingRequiredCapabilityError

Constant Summary collapse

INITIALIZE = 
"initialize"
PING = 
"ping"
LOGGING_SET_LEVEL = 
"logging/setLevel"
PROMPTS_GET = 
"prompts/get"
PROMPTS_LIST = 
"prompts/list"
COMPLETION_COMPLETE = 
"completion/complete"
RESOURCES_LIST = 
"resources/list"
RESOURCES_READ = 
"resources/read"
RESOURCES_TEMPLATES_LIST = 
"resources/templates/list"
RESOURCES_SUBSCRIBE = 
"resources/subscribe"
RESOURCES_UNSUBSCRIBE = 
"resources/unsubscribe"
TOOLS_CALL = 
"tools/call"
TOOLS_LIST = 
"tools/list"
SAMPLING_CREATE_MESSAGE = 
"sampling/createMessage"
ALL_METHODS = 
[
  SAMPLING_CREATE_MESSAGE,
  INITIALIZE,
  LOGGING_SET_LEVEL,
  PING,
  PROMPTS_GET,
  PROMPTS_LIST,
  COMPLETION_COMPLETE,
  RESOURCES_LIST,
  RESOURCES_READ,
  RESOURCES_TEMPLATES_LIST,
  RESOURCES_SUBSCRIBE,
  RESOURCES_UNSUBSCRIBE,
  TOOLS_CALL,
  TOOLS_LIST,
]

Instance Method Summary collapse

Instance Method Details

#ensure_capability!(method, capabilities) ⇒ Object 



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# File 'lib/model_context_protocol/methods.rb', line 54

def ensure_capability!(method, capabilities)
  case method
  when PROMPTS_GET, PROMPTS_LIST, COMPLETION_COMPLETE
    unless capabilities[:prompts]
      raise MissingRequiredCapabilityError.new(method, :prompts)
    end
  when RESOURCES_LIST, RESOURCES_TEMPLATES_LIST, RESOURCES_READ, RESOURCES_SUBSCRIBE, RESOURCES_UNSUBSCRIBE
    unless capabilities[:resources]
      raise MissingRequiredCapabilityError.new(method, :resources)
    end

    if method == RESOURCES_SUBSCRIBE && !capabilities[:resources][:subscribe]
      raise MissingRequiredCapabilityError.new(method, :resources_subscribe)
    end
  when TOOLS_CALL, TOOLS_LIST
    unless capabilities[:tools]
      raise MissingRequiredCapabilityError.new(method, :tools)
    end
  when SAMPLING_CREATE_MESSAGE
    unless capabilities[:sampling]
      raise MissingRequiredCapabilityError.new(method, :sampling)
    end
  when LOGGING_SET_LEVEL
    # Logging is unsupported by the Server
    unless capabilities[:logging]
      raise MissingRequiredCapabilityError.new(method, :logging)
    end
  when INITIALIZE, PING
    # No specific capability required for initialize or ping
  end
end