MCP resources are essential for optimizing prompt utilization in clients, particularly for cache invalidation and avoiding unnecessary token consumption. A well-implemented MCP client should manage document retrieval efficiently by separating results from full files and mapping MCP concepts to the specific requirements of a given LLM. Without support for resources, clients fall short of production-worthy performance in RAG applications.
+ mcp
caching ✓
llm ✓
rags ✓
resources ✓