@onivoro/server-mcpMCP Server27/100 via “tool result serialization and response formatting”
A NestJS library for building transport-agnostic MCP tool services. Define tools once with decorators, consume them over HTTP, stdio, or directly via the registry. The documentation and examples generally focus one enterprise monorepos but can be easily a
Unique: Uses NestJS interceptors to provide transport-agnostic result serialization with support for custom serialization strategies, enabling consistent formatting across HTTP, stdio, and direct invocation — most MCP libraries require per-transport result formatting
vs others: Provides consistent result formatting across transports compared to per-transport serialization logic, and integrates with NestJS's interceptor system for extensibility