nest-mcp and nestjs-mcp
The two projects are ecosystem siblings, where Muzikanto/nestjs-mcp provides the foundational NestJS module for defining "tools" with automatic detection and validation, while btwld/nest-mcp builds upon this concept to create full Model Context Protocol servers, clients, and gateways within the NestJS ecosystem.
About nest-mcp
btwld/nest-mcp
Build Model Context Protocol (MCP) servers, clients, and gateways using the NestJS ecosystem you already know.
Provides multi-transport MCP support (HTTP, SSE, STDIO) with built-in auth guards, middleware chains, and resilience patterns (rate limiting, circuit breakers, retries). The gateway package enables upstream server aggregation with policy enforcement, response caching, and request/response transformation hooks. Architecture mirrors NestJS patterns: decorators for tools/resources/prompts, dependency injection for client connections, and modular composition across server, client, and gateway layers.
About nestjs-mcp
Muzikanto/nestjs-mcp
NestJS MCP (Model Context Protocol) module — allows you to create “tools” (functions) for LLM or HTTP, with automatic detection via decorators, validation, and integration with OpenAI Function Calls.
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