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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[0.1.0] - 2024-12-20

Added - Phase 1 MVP Complete ✅

Core Framework

  • Agent System: Goal-driven execution with multi-turn conversation support
  • Tool Orchestration: Execute tools in parallel with retry and fallback
  • Streaming Support: Token-by-token streaming with progress updates
  • Memory Management: Short-term memory with token window management and multiple strategies (FIFO, sliding)

Multi-Provider Support

  • OpenAI Provider: Full support for GPT-4, GPT-4o, GPT-3.5-turbo with tiktoken-based token counting
  • Anthropic Provider: Claude 3 (Opus, Sonnet, Haiku) and Claude 3.5 Sonnet support
  • Google Gemini Provider: Gemini Pro and Gemini 1.5 Pro support
  • Unified Interface: Switch providers with a single line change

MCP Integration

  • Native MCP Client: Connect to any MCP server
  • Tool Discovery: Automatic discovery of MCP tools
  • Type-Safe Calls: Convert MCP tools to FlowLLM tool definitions
  • Server Management: Connection lifecycle management

Production Features

  • Error Handling: Comprehensive error handling with detailed logging
  • Retry Logic: Exponential backoff with configurable retries
  • Cost Tracking: Real-time cost tracking for all providers
  • Middleware System: Custom middleware for logging, caching, etc.
  • Logging: Structured logging with Pino
  • Token Counting: Accurate token counting per provider

Developer Experience

  • TypeScript-First: Full type safety and IntelliSense support
  • Simple API: Clean defineAgent() and defineTool() APIs
  • Monorepo Structure: Well-organized packages (@flowllm/core, @flowllm/providers, @flowllm/mcp)
  • Comprehensive Examples: 6+ working examples covering all features
  • Full Documentation: Getting started guide, API reference, and best practices

Project Structure

flowllm/
├── packages/
│   ├── core/           # Core agent framework
│   ├── providers/      # OpenAI, Anthropic, Gemini providers
│   ├── mcp/           # MCP integration
│   └── flowllm/       # Main SDK (re-exports all packages)
├── examples/          # Working examples
├── docs/             # Comprehensive documentation
└── tests/            # Unit and integration tests

Metrics

  • 4 packages with clear separation of concerns
  • 15+ core classes implementing the framework
  • 3 LLM providers (OpenAI, Anthropic, Gemini)
  • 6 working examples demonstrating all features
  • Comprehensive test coverage for core functionality
  • 2500+ lines of production-ready TypeScript code

[Unreleased] - Roadmap

Phase 2 (Next 4 weeks)

  • Long-term memory with vector databases (Pinecone, Chroma)
  • Agent collaboration patterns (multi-agent systems)
  • Built-in observability (OpenTelemetry tracing, Prometheus metrics)
  • Web UI for agent testing and debugging
  • Additional providers (Cohere, local models via Ollama)
  • Persistent conversation storage (Redis, PostgreSQL)
  • Rate limiting and quota management
  • Advanced memory strategies (summarization)

Phase 3 (Future)

  • Multi-agent orchestration framework
  • Advanced planning (ReAct, Tree of Thoughts, Chain of Thought)
  • RAG (Retrieval-Augmented Generation) with vector search
  • Deployment platform (Targetly integration)
  • Enterprise features (SSO, RBAC, audit logs)
  • Performance optimizations (caching, batching)
  • Additional MCP features (resources, prompts)
  • Plugin system for extensibility

Development Status

✅ Completed (Phase 1)

  • Core agent framework
  • Multi-provider support (OpenAI, Anthropic, Gemini)
  • Native MCP integration
  • Conversation memory management
  • Tool/function calling
  • Streaming responses
  • Production features (retries, cost tracking, logging)
  • TypeScript support
  • Comprehensive documentation
  • Working examples

🚧 In Progress

  • Additional test coverage
  • Performance benchmarks
  • CI/CD pipeline

📋 Planned

  • Phase 2 features (see roadmap above)
  • Community feedback integration
  • Additional provider support
  • Enhanced MCP capabilities

Migration Guides

From v0.0.x to v0.1.0

This is the first official release. No migration needed.

Notes

This project follows semantic versioning. For more information, see semver.org.

For a detailed list of changes, see the commit history.