devenv

利用 devenv 管理开发环境。适用于 devenv.nix 文件的编写、环境配置以及依赖项管理。

SKILL.md

--- frontmatter

name: devenv
description: Manage development environments using devenv. Use for devenv.nix files, environment setup, dependency management.
mcp:
  devenv:
    command: ["devenv", "mcp"]

DevEnv Skill

Core Operations

•Read/modify devenv.nix configuration
•Add packages to packages = [ pkgs.package ];
•Configure languages: languages.python.enable = true;
•Enable services: services.postgres.enable = true;
•Enter shell: devenv shell

MCP Access

When skill loaded: skill_mcp(mcp_name="devenv", tool_name="...", arguments='{...}')

•Auto-connection with 5min idle timeout
•No manual setup required if opencode-lazy-loader plugin installed

Key Files

•devenv.nix - Main configuration
•devenv.yaml - Optional YAML config
•.envrc - direnv configuration
•treefmt.toml - Formatter settings

Common Commands

•devenv shell - Enter environment
•devenv build - Build environment
•task format - Format code
•task --list - Show tasks

Configuration Examples

Adding Packages

nix

packages = [
  pkgs.nodejs
  pkgs.go
  pkgs.rustc
];

Setting Up Languages

nix

languages.python.enable = true;
languages.nodejs.enable = true;
languages.go.enable = true;

Enabling Services

nix

services.postgres.enable = true;
services.redis.enable = true;

Environment Variables

•Use env.VARIABLE_NAME = "value"; in devenv.nix
•Variables are available when entering the shell