Agent framework · LangChain
LangGraph
Directed graphs with conditional edges - the strongest persistence and checkpointing story.
- MCP support
- supported
- Where it runs
- library
- Pricing
- Open source; paid platform tiers available
- Evidence grade C
- Mixed sourcing, or vendor figures with partial corroboration
Best for
- Complex stateful orchestration
- Workflows that must resume after failure
- Human-in-the-loop gates at defined nodes
Watch out
The most control here also means the most boilerplate. Overkill for a two-step agent.