Nix MCP Servers

@cameronfyfe

Repository

Basic information

About Nix MCP Servers

Nix package repo for MCP servers

Nix MCP Servers config

No standard config provided

This server doesn't expose a parseable MCP config block in its README. See the repository for install instructions.

Repository

Nix MCP Servers tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is nix-mcp-servers?

nix-mcp-servers is a Nix flake that provides Nix packages for a variety of Model Context Protocol (MCP) servers. It allows users to run or install these servers directly on NixOS systems or via home-manager, simplifying deployment and management.

How to use nix-mcp-servers?

You can run an MCP server in stdio mode using nix run github:cameronfyfe/nix-mcp-servers#<server-name> -- stdio. To install permanently, add the flake as an input and include the desired server package in environment.systemPackages or home.packages. An example NixOS configuration is available in the author’s configs.

Key features of nix-mcp-servers

Provides Nix packages for 22+ MCP servers
Run servers directly via nix run in stdio mode
Install permanently with NixOS or home-manager
Easy to add new MCP servers through contributions
Includes servers for GitHub, databases, search, and more

Use cases of nix-mcp-servers

Deploy MCP servers in reproducible NixOS environments
Use MCP servers for local development with home-manager
Quickly test MCP servers without permanent installation
Integrate MCP tools like Slack, Sentry, or PostgreSQL with Nix flakes

Frequently asked questions

How do I run an MCP server temporarily?

Use `nix run github:cameronfyfe/nix-mcp-servers#<server-name> -- stdio`, replacing `<server-name>` with one from the list (e.g., `github-mcp-server`).

How do I install an MCP server permanently?

Add the flake to your `flake.nix` inputs, then include the package in `environment.systemPackages` or `home.packages`. The README provides a full example.

What MCP servers are available?

The flake packages servers such as `github-mcp-server`, `mcp-server-postgres`, `mcp-server-slack`, `mcp-server-filesystem`, and many more. See the README list.

Can I contribute a new MCP server?

Yes, contributions of additional MCP servers are welcome. Follow the repository’s contribution guidelines.

What are the prerequisites?

You need the Nix package manager with flakes enabled. No additional runtime dependencies are listed.

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