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Building MCP servers can lead to tool explosion when mapping each API operation to a separate tool. Intent Multiplexing solves this by consolidating operations into a single tool with an enum-based operation parameter, reducing LLM context consumption and improving discoverability. The Command Pattern complements this by separating each operation into its own class, enabling extensibility without modifying core code. Together, these patterns transform a 45-tool implementation with a 200+ line switch statement into a clean, maintainable architecture with auto-discovery via CDI and configuration-driven command loading.

Two Essential Patterns for Building MCP Servers

Pattern 2: Command Pattern for Extensibility