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A NestJS module to effortlessly create Model Context Protocol (MCP) servers for exposing AI tools, resources, and prompts.
| Date | Stars |
|---|---|
| 2026-07-31 | 684 |
| 2026-08-03 | 685 |
| 2026-08-06 | 685 |
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# NestJS MCP Server Module <div align="center"> <img src="https://raw.githubusercontent.com/rekog-labs/MCP-Nest/main/image.png" height="200"> [![CI][ci-image]][ci-url] [![Code Coverage][code-coverage-image]][code-coverage-url] [![NPM Version][npm-version-image]][npm-url] [![NPM Downloads][npm-downloads-image]][npm-url] [![NPM License][npm-license-image]][npm-url] </div> A NestJS module to effortlessly expose tools, resources, and prompts for AI, from your NestJS applications using the **Model Context Protocol (MCP)**. With `@rekog/mcp-nest` you define tools, resources, and prompts in a way that's familiar in NestJS and leverage the full power of dependency injection to utilize your existing codebase in building complex enterprise ready MCP servers. ## Features - 🧩 **[NestJS Microservice Strategy](docs/migration-to-v2.md)**: MCP runs as a `CustomTransportStrategy`, so tools/resources/prompts are real `@MessagePattern` handlers — **guards, pipes, interceptors, and exception filters apply to them natively** - 🚀 **[Multi-Transport Support](docs/server-examples.md#multiple-transport-types)**: Streamable HTTP and STDIO — selected via the `transports` array - 🕰️ **[Dual-Era Protocol Support](docs/protocol-revisions.md)**: One endpoint serves both the 2025-era protocol (`initialize` + sessions) and the stateless `2026-07-28` revision, concurrently — with **no change to your tool code** - 🔧 **[Tools](docs/tools.md)**: Expose NestJS methods as MCP tools with automatic discovery and Zod validation - 🛠️ **[Elicitation](docs/tools.md#interactive-tool-with-elicitation)**: Interactive tool calls with user input elicitation - 🌐 **[HTTP Request Access](docs/tools.md#understanding-tool-method-parameters)**: Full access to request context within MCP handlers - 🔐 **[Per-Tool Authorization](docs/per-tool-authorization.md)**: Implement fine-grained authorization for tools - 📁 **[Resources](docs/resources.md)**: Serve content and data through MCP resource system - 📚 **[Resource Templates](docs/resource-templates.md)**: Dynamic resources with parameterized URIs - 💬 **[Prompts](docs/prompts.md)**: Define reusable prompt templates for AI interactions - 🔐 **[Guard-based Authentication](docs/server-examples.md#server-with-authentication)**: Guard-based security with OAuth support - 🏠 **[Built-in Authorization Server](docs/built-in-authorization-server.md)** — Using the built-in Authorization Server for easy setups. **(Beta)** - 🌐 **[External Authorization Server](docs/external-authorization-server.md)** — Securing your MCP server with an external authorization server (Keycloak, Auth0, etc). - 💉 **[Dependency Injection](docs/dependency-injection.md)**: Leverage NestJS DI system throughout MCP components - 🔍 **[Server mutation and instrumentation](docs/server-mutation.md)** — Mutate the underlying mcp server for custom logic or instrumentation purposes. **Are you interested to build ChatGPT widgets (with the OpenAI SDK) or MCP apps?** Find out how to do that with `@rekog/MCP-Nest` in this repository [MCP-Nest-Samples](https://github.com/rinormaloku/MCP-Nest-Samples) > [!TIP] > You can easily learn about this package using the `chat` tab in [Context7](https://context7.com/rekog-labs/mcp-nest?tab=chat). Better yet, connect the [Context7 MCP server](https://github.com/upstash/context7#installation) to allow your AI agents to access the documentation and implement MCP-Nest for you. ## Installation ```bash npm install @rekog/mcp-nest \ @modelcontextprotocol/server \ @modelcontextprotocol/core \ @modelcontextprotocol/node \ zod@^4 ``` ### Optional dependencies The built-in authorization server now lives in a separate package. If you use it, install it alongside `@rekog/mcp-nest`: ```bash npm install @rekog/mcp-nest-auth ``` If you additionally use the TypeORM store for the authorization server, install the following optional peer dependencies as well: ```bash npm install @nestjs/typeorm typeorm ``` ## Quick Start
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Would you bet a product on this? Bounded 0–100 and slow moving.
matched fp:1d3845309e164cae, topic:mcp, topic:model-context-protocol, desc:model context protocol