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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 nixaimcp
InstallView source
77Good

Scored yesterday · 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.

The repository has 308 stars and 37 forks, with the last commit yesterday. Recent commit activity is the strongest signal that reported issues will get attention.

Install

From source
git clone https://github.com/natsukium/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

Static checks derived from the repository 12 hours ago. Heuristics on the source, not an audit.

  • ✓README presentThe repository ships documentation.
  • ✓License declaredUsable under a stated license.
  • ✓Tests presentA test suite exists in the repository.
  • ✓Dependencies pinnedA lockfile pins dependency versions.
  • ✓No dynamic code executionSource scan found no eval, dynamic Function, or shell execution.
  • !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 fetched from the repository 12 hours ago. The original is authoritative.

Questions

About Servers Nix

How do I install Servers Nix?

No package has been published for this server, so install it from source: clone the repository and follow its README.

Is Servers Nix safe to use with an AI agent?

Its trust score is 77 out of 100 (good). It passes 5 of the 6 static security checks run so far; the failures are listed above. It has no ConduID identity yet, so agent calls to it are not receipted.

Is Servers Nix still maintained?

Yes — the last commit was yesterday. The repository has 308 stars and 37 forks and 19 open issues.