Distributed Function Composition And Chaining

via “chain composition and orchestration framework”

Community contributed LangChain integrations.

Unique: Implements a unified Runnable interface for composing chains via piping (|), parallelization, and conditional branching. Supports both synchronous and asynchronous execution with automatic streaming and type validation across steps.

vs others: More flexible than LlamaIndex's query engines because it exposes composable primitives, and more type-safe than manual orchestration because it validates inputs/outputs at each step.

** - Connect to any function, any language, across network boundaries using [AgentRPC](https://www.agentrpc.com/).

Unique: Provides function composition primitives that work across network boundaries, allowing workflows to be expressed as function chains without requiring a separate orchestration engine or workflow definition language

vs others: Simpler than Temporal or Airflow for small workflows (no separate engine needed) but less feature-rich; more natural than REST-based orchestration (no manual HTTP request chaining)