devenv
StandardThe devenv MCP server creates reproducible and composable developer environments using Nix. It exposes tools for declarative environment setup, dependency management, and environment composition. It integrates with Nix and Nixpkgs to provide consistent, isolated environments. Developers use it to ensure consistent development environments across teams, streamline onboarding, and manage complex project dependencies.
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Overview
The devenv MCP server creates reproducible and composable developer environments using Nix. It exposes tools for declarative environment setup, dependency management, and environment composition. It integrates with Nix and Nixpkgs to provide consistent, isolated environments. Developers use it to ensure consistent development environments across teams, streamline onboarding, and manage complex project dependencies.
Installation
1Install the package
2Add to Claude
Add this configuration to your claude_desktop_config.json:
claude_desktop_config.json
{
"mcpServers": {
"cachix-devenv-github": {
"command": "npx",
"args": [
"-y",
"@modelcontextprotocol/server-cachix-devenv-github"
]
}
}
}3Verify installation
Restart Claude Desktop, then ask:
"What tools do you have available from devenv?"
Prerequisites
- Node.js 18 or higher
- npm or npx available
- Claude Desktop or Claude API access
Configuration
No configuration required. This server works out of the box.
Usage Examples
List Resources
"What resources are available in devenv?"
Claude will query available resources and return a list of what you can access.
Get Details
"Show me details about [specific item] in devenv"
Claude will fetch and display detailed information about the requested item.
Create New
"Create a new [item] in devenv with [details]"
Claude will use the appropriate tool to create the resource and confirm success.
Works with devenv
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