Look, LangChain was great to get the ecosystem started 0 to 1. But let's be honest: taking LangChain to production with 50+ tools is a nightmare of abstraction hell and brittle if/else logic. The AgentExecutor is slow, and relying on it to route complex tools feels like fighting the framework.
Source: [Dev.to](https://dev.to/udaysaai/langchains-tool-routing-is-a-bloated-mess-so-we-built-a-10ms-local-semantic-registry-to-replace-56f3)