MCP Servers Nix
About
A Nix-based configuration framework for deploying MCP servers with ready-to-use packages, supporting modular and reproducible builds.
Details
- Author
- natsukium
- GitHub stars
- 272
- Downloads
- 270
- Categories
- Developer Tools, Infrastructure, Other
Jump to
- Modular configuration with consistent interface
- Reproducible builds via Nix
- Pre-configured modules for popular MCP server types
- Security-focused credential handling through envFile and passwordCommand
- Integration with Flakes, flake-parts, devenv, and Home Manager
You can run an MCP server directly with nix run github:natsukium/mcp-servers-nix#mcp-server-fetch or generate a configuration file using the mkConfig function within a Nix expression. The output format adapts to a chosen flavor (e.g., claude, vscode, codex). Examples for Claude Desktop, VS Code, Codex CLI, and others are provided in the examples directory.
A Nix-based configuration framework for deploying MCP servers with ready-to-use packages, supporting modular and reproducible builds.
A Nix-based configuration framework for Model Control Protocol (MCP) servers with ready-to-use packages.
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.
- 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 throughenvFileandpasswordCommand, with pinned server versions
- Framework Support: Integrates withFlakes,flake-parts,devenv, andHome Manager
nix run github:natsukium/mcp-servers-nix#mcp-server-fetch
Generate a configuration file withmkConfig:
# 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 theflavoroption — seeSupported Flavorsbelow.
- clickup
- codex
- context7
- deepl
- esa
- everything
- fetch
- filesystem
- freee
- git
- github
- grafana
- home-assistant
- mastra
- memory
- netdata
- nixos
- notion
- playwright
- sequential-thinking
- serena
- slite
- tavily
- terraform
- textlint
- time
Check theexamplesdirectory for complete configuration examples:
- claude-desktop.nix: Basic configuration for Claude Desktop
- vscode.nix: VS Code integration setup
- librechat.nix: Configuration for LibreChat integration
- codex.nix: Codex CLI integration with MCP servers
- opencode.nix: OpenCode CLI integration with MCP servers
- vscode-workspace: VS Code workspace configuration example
- flake-parts-module: Flake-parts module integration with multi-flavor support
- devenv: devenv integration usingclaude.code.mcpServers
- home-manager: Home Manager integration withprograms.mcp.servers
Check outGitHub search resultsfor examples of how others are using mcp-servers-nix in their projects.
- Module Usage Guide— How to configure MCP servers with Nix (classic, npins, flakes, flake-parts)
- Configuration Reference— Security, credential handling, and flake-parts options
- Module Options Reference— Auto-generated list of all module options
- Packages Guide— Using standalone MCP server packages
- Contributing Guide— Adding new packages and modules
This project is licensed under the Apache License 2.0 - see theLICENSE filefor details.
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