Flappy

Overview

Flappy is a community-developed Rust SDK for building and orchestrating LLM agents. It provides tools to define agent workflows and manage multi-step LLM interactions, aiming for production readiness. The SDK is open source and designed for developers who want to integrate LLM capabilities into Rust applications.

Best for

Best for
Rust developers building production LLM agent systems

Use cases

• Building autonomous LLM agents with structured workflows
• Orchestrating multi-step LLM calls with state management
• Integrating LLM reasoning into Rust-based backend services

Notes

Flappy is a community-developed Rust SDK for building and orchestrating LLM agents. It provides tools to define agent workflows and manage multi-step LLM interactions, aiming for production readiness. The SDK is open source and designed for developers who want to integrate LLM capabilities into Rust applications.

306 stars on GitHub. Last updated 2024-04-19. Licensed Apache-2.0.

Use cases

• Building autonomous LLM agents with structured workflows
• Orchestrating multi-step LLM calls with state management
• Integrating LLM reasoning into Rust-based backend services

Pros

• Written in Rust, offering performance and memory safety
• Open source with a permissive license and community contributions
• Focused on production-grade agent orchestration

Cons

• Small community (306 GitHub stars) limits support and ecosystem
• Requires Rust proficiency, narrowing the developer audience
• Fewer integrations and examples compared to Python-based agent SDKs

Indexed from awesome-langchain and enriched against its public facts.