Developer API Documentation

Internal API reference for MassGen contributors and developers.

Note

For Users: If you want to use MassGen from Python, see Python API & LiteLLM for the simple massgen.run() API.

For Contributors: This section documents MassGen’s internal classes, methods, and modules for those contributing to the codebase or building extensions.

API Modules

• Agents API
  • Chat Agent
  • Agent Configuration
  • Coordination Tracker
• Orchestrator API
• Backends API
  • Available Backends
  • Base Classes
• Formatter API
  • Module Overview
  • Response Formatter
  • Claude Formatter
  • Chat Completions Formatter
  • Base Formatter
• Tool System API
  • Core Classes
  • Exceptions
  • Built-in Tools
  • Workflow Toolkits
  • Formatters
  • Usage Examples
  • See Also
• MCP Tools API
  • Module Overview
  • MCP Client
  • Backend Utils
  • Config Validator
  • Security
  • Circuit Breaker
  • Exceptions
  • Hooks
• Frontend API
  • Module Overview
  • Coordination UI
  • Display Components
• Token Manager API
  • Module Overview
  • Token Manager

Core Components

Quick Reference

• Agents API - Agent classes and interfaces

• Orchestrator API - Orchestration and coordination components

• Backends API - Backend implementations for different LLM providers

• Formatter API - Message and tool formatting utilities

• Tool System API - Custom tool system API (ToolManager, ExecutionResult, built-in tools)

• MCP Tools API - Model Context Protocol (MCP) integration tools

• Frontend API - Frontend displays and UI components

• Token Manager API - Token management and usage tracking