Use for .NET command-line tool development with Spectre.Console/Spectre.Console.Cli, Microsoft.Extensions.Hosting, dependency injection, localized help text, command settings, aliases, examples, terminal output, exit codes, and stdio-safe command paths.
Installation
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Use for .NET command-line tool development with Spectre.Console/Spectre.Console.Cli, Microsoft.Extensions.Hosting, dependency injection, localized help text, command settings, aliases, examples, terminal output, exit codes, and stdio-safe command paths.
CLI Development
Workflow
Identify the command surface under src/Apps/CommandLine.
Read command registration in src/Apps/CommandLine/Program.cs.
Read the invoked service before changing command behavior.
Keep command classes thin: parse settings, validate input, set context, call services, and format output.
Conventions
Inherit from AsyncCommand<TSettings> or AsyncCommand.
Put reusable behavior in CoreMod services, CodeGenerator, or Share instead of command classes.
Use CommandSolutionHelper.TrySetSolutionAsync when the command needs a current solution.
Use OutputHelper or AnsiConsole consistently with nearby commands.
Escape dynamic Spectre markup with Markup.Escape.
Return 0 for success and 1 for expected validation or operation failures.
Register new commands in DI and CommandApp.Configure, including aliases, examples, and localized descriptions.
Preserve raw MCP/stdio command paths. Do not add logos, logs, or human-readable output that can break protocol clients.
Localization And Tests
Add user-facing command text to both src/Share/Localizer.zh-CN.resx and src/Share/Localizer.en-US.resx.
Add focused tests under tests/StudioMod.Tests/Commands for command behavior, config output, or error handling.
