Class: PromptObjects::Universal::ListCapabilities

Inherits:
Primitive show all
Defined in:
lib/prompt_objects/universal/list_capabilities.rb

Overview

Universal capability to list all available capabilities in the registry. This helps POs discover what tools exist.

Instance Attribute Summary

Attributes inherited from Capability

#state

Instance Method Summary collapse

Methods inherited from Primitive

#initialize

Methods inherited from Capability

#descriptor, execution_policy, execution_policy_definition, #execution_policy_definition, #execution_policy_signature, #initialize, #resolved_execution_policy

Constructor Details

This class inherits a constructor from PromptObjects::Primitive

Instance Method Details

#description ⇒ Object 



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# File 'lib/prompt_objects/universal/list_capabilities.rb', line 12

def description
  "List all available capabilities (primitives and prompt objects) in the system. Useful for discovering what tools exist before creating new ones."
end

#name ⇒ Object 



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# File 'lib/prompt_objects/universal/list_capabilities.rb', line 8

def name
  "list_capabilities"
end

#parameters ⇒ Object 



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# File 'lib/prompt_objects/universal/list_capabilities.rb', line 16

def parameters
  {
    type: "object",
    properties: {
      type: {
        type: "string",
        enum: ["all", "primitives", "prompt_objects"],
        description: "Filter by type. Default is 'all'."
      }
    },
    required: []
  }
end

#receive(message, context:) ⇒ Object 



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# File 'lib/prompt_objects/universal/list_capabilities.rb', line 30

def receive(message, context:)
  filter = message[:type] || message["type"] || "all"

  capabilities = case filter
  when "primitives"
    context.env.registry.primitives
  when "prompt_objects"
    context.env.registry.prompt_objects
  else
    context.env.registry.all
  end

  if capabilities.empty?
    return "No capabilities found."
  end

  lines = capabilities.map do |cap|
    type_label = cap.is_a?(PromptObject) ? "[PO]" : "[Primitive]"
    "- #{cap.name} #{type_label}: #{cap.description}"
  end

  "Available capabilities:\n#{lines.join("\n")}"
end