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MCP server · AI

Servers Nix

by · github.com/natsukium/mcp-servers-nix

A Nix-based configuration framework for Model Control Protocol (MCP) servers with ready-to-use packages.

Unclaimed Apache-2.0 last commit 6 months ago nixaimcp
InstallView source
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Scored 3 months ago · breakdown

About Servers Nix

Servers Nix is an MCP server published by natsukium in the AI category: a Nix-based configuration framework for Model Control Protocol (MCP) servers with ready-to-use packages. It has been installed 0 times through Conduid.

The repository has 207 stars and 28 forks, with the last commit 6 months ago. Six months or more without a commit doesn't mean the server is broken, but check the open issues (0) before depending on it in production.

Install

Install
npx mcp-servers-nix

This server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.

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Security checks

  • ·README presentNot checked yet.
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  • ·Tests presentNot checked yet.
  • ·Dependencies pinnedNot checked yet.
  • ·No dynamic code executionNot checked yet.
  • !Scoped permissionsDoesn't declare a permission scope. Assume it can do anything its process can.

README

mcp-servers-nix

A Nix-based configuration framework for Model Control Protocol (MCP) servers with ready-to-use packages.

Overview

This repository provides both MCP server packages and a Nix framework for configuring and deploying MCP servers. It offers a modular approach to configuring various MCP servers with a consistent interface.

Features

  • Modular Configuration: Define and combine multiple MCP server configurations
  • Reproducible Builds: Leverage Nix for reproducible and declarative server setups
  • Pre-configured Modules: Ready-to-use configurations for popular MCP server types
  • Security-focused: Better handling credentials and sensitive information through envFile and passwordCommand, with pinned server versions
  • Framework Support: Integrates with Flakes, flake-parts, devenv, and Home Manager

Quick Start

Run an MCP server directly:

nix run github:natsukium/mcp-servers-nix#mcp-server-fetch

Generate a configuration file with mkConfig:

# config.nix
let
  pkgs = import <nixpkgs> { };
  mcp-servers-nix = import (fetchTarball
    "https://github.com/natsukium/mcp-servers-nix/archive/main.tar.gz") { inherit pkgs; };
in
mcp-servers-nix.lib.mkConfig pkgs {
  programs.filesystem = {
    enable = true;
    args = [ "/path/to/allowed/directory" ];
  };
}

nix-build config.nix && cat result

{
  "mcpServers": {
    "filesystem": {
      "command": "/nix/store/7b4ancp3cns9lkkybd090qzr0hah5qq0-mcp-server-filesystem-2025.12.18/bin/mcp-server-filesystem",
      "args": [ "/path/to/allowed/directory" ]
    }
  }
}

The output format adapts to the flavor option — see Supported Flavors below.

Supported Flavors

Flavor Key Typical File Client
claude mcpServers claude_desktop_config.json Claude Desktop
claude-code mcpServers .mcp.json Claude Code
vscode mcp.servers settings.json VS Code
vscode-workspace servers .vscode/mcp.json VS Code (workspace)
codex mcp_servers .mcp.toml Codex CLI
opencode mcp opencode.json OpenCode
zed context_servers (varies) Zed

Available Modules

Examples

Check the examples directory for complete configuration examples:

Real World Examples

Check out GitHub search results for examples of how others are using mcp-servers-nix in their projects.

Documentation

License

This project is licensed under the Apache License 2.0 - see the LICENSE file for details.

README mirrored from the source repository 3 months ago. The original is authoritative.

Questions

About Servers Nix

How do I install Servers Nix?

Run npx mcp-servers-nix, then add the server to your MCP client's configuration. Conduid has recorded 0 installs, so the command is known to work with current clients.

Is Servers Nix safe to use with an AI agent?

Its trust score is 77 out of 100 (good). It passes 0 of 1 static security checks; the failures are listed above. It has no ConduID identity yet, so agent calls to it are not receipted.

Is Servers Nix still maintained?

The last commit was 6 months ago, with 0 open issues. That's long enough that you should check whether the maintainer is responding to issues before depending on it.