dotnet/command-line-api

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Command line parsing, invocation, and rendering of terminal output.

Stars: 3.7k
Forks: 428
Open beginner issues: 0
Indexed issues: 443

Dominant language: C#
License: MIT
Last GitHub push: Aug 17, 2026
Latest indexed: Sep 15, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted
PR merge metrics: No merged PRs in 30d

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443 open issues indexed

Allow an option to have multiple values assigned using a comma-separated list Open

Area-API Area-Parser and Binder needs documentation

dotnet/command-line-api#37 · 8 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
Add option name abbreviation (startswith) support (Off by default) Open

Area-Parser and Binder wontfix

dotnet/command-line-api#38 · 8 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Support piping object pipeline (PowerShell) into arguments on the command line Open

enhancement

dotnet/command-line-api#73 · 1 comment · 4 reactions · 2 assignees · Indexed Sep 15, 2026
Consider optional case insensitive parsing Open

Area-Parser and Binder needs discussion

dotnet/command-line-api#133 · 43 comments · 17 reactions · 0 assignees · Indexed Sep 15, 2026
Input Formatting Open

enhancement

dotnet/command-line-api#167 · 0 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
Add a subcommand to dotnetsuggest for retrieving a suggestion command from Nuget or equivalent Open

Area-Completions

dotnet/command-line-api#190 · 0 comments · 0 reactions · 2 assignees · Indexed Sep 15, 2026
Improve dotnet-suggest auto registration Open

Area-Completions help wanted

dotnet/command-line-api#211 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add process to update .bash-profile for calling dotnet-suggest Open

Area-Completions help wanted

dotnet/command-line-api#219 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
add integration tests for dotnet-suggest shell shim scripts Open

Area-Completions help wanted

dotnet/command-line-api#293 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
help format suggestion: condense command usage and description Open

Area-Help enhancement

dotnet/command-line-api#300 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
F# app model Open

Area-App Models

dotnet/command-line-api#316 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add Windows tests for CancelOnProcessTermination Open

help wanted

dotnet/command-line-api#328 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Tab completion is not triggered for dotnet-* commands when invoked with a space after dotnet Open

Area-Completions bug help wanted

dotnet/command-line-api#343 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
document TestConsole and TestTerminal Open

Area-Documentation

dotnet/command-line-api#346 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
CommandLineException with both exit code and message Open

Area-App Models enhancement

dotnet/command-line-api#350 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Consider supporting POSIX, PowerShell, and Windows prefixes for all options by default Open

Area-API Area-Parser and Binder needs discussion

dotnet/command-line-api#351 · 5 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
Add process to add to .bash-profile for dotnet suggest script Open

Area-Completions enhancement

dotnet/command-line-api#357 · 10 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
add the ability for a program to advertise which directives it supports Open

Area-Help enhancement

dotnet/command-line-api#379 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Mutually exclusive options Open

Area-Parser and Binder enhancement help wanted

dotnet/command-line-api#381 · 16 comments · 14 reactions · 0 assignees · Indexed Sep 15, 2026
Examples of program usage Open

Area-Help enhancement help wanted

dotnet/command-line-api#400 · 14 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
[feature] Add the ability to dump all commands and parameters to a json file Open

enhancement

dotnet/command-line-api#401 · 4 comments · 3 reactions · 0 assignees · Indexed Sep 15, 2026
Usage shows Project name instead of the tool name. Open

bug

dotnet/command-line-api#403 · 15 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
add support for either/or type binding for arguments Open

Area-App Models enhancement

dotnet/command-line-api#417 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Flash Fill auto-complete Open

dotnet/command-line-api#439 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Any plans on supporting .yaml or .json format for specifying the command line args. Open

enhancement needs discussion

dotnet/command-line-api#454 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Support metadata based CLI: was Demo/test case: TaskRunner parsing Open

dotnet/command-line-api#461 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Custom validation of arguments Open

needs documentation

dotnet/command-line-api#476 · 8 comments · 3 reactions · 0 assignees · Indexed Sep 15, 2026
Support opening a web page for extensive help Open

Area-Documentation Area-Help enhancement

dotnet/command-line-api#494 · 2 comments · 4 reactions · 0 assignees · Indexed Sep 15, 2026
Fluent interface for System.CommandLine Open

Area-App Models

dotnet/command-line-api#540 · 6 comments · 7 reactions · 0 assignees · Indexed Sep 15, 2026
Naming mismatch between options/arguments and handler parameters is non-obvious Open

Area-Parser and Binder bug

dotnet/command-line-api#557 · 7 comments · 6 reactions · 0 assignees · Indexed Sep 15, 2026
Integration with Microsoft.Extensions.Configuration.Commandline? Open

Area-Hosting and DI

dotnet/command-line-api#572 · 2 comments · 19 reactions · 0 assignees · Indexed Sep 15, 2026
What is the preferred flow of returning results from CommandHandler Open

needs documentation

dotnet/command-line-api#583 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Mistyping CommandHandler.Create arguments should throw Open

Area-App Models enhancement

dotnet/command-line-api#622 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Support Constructors with Optional Parameters for User-Types Open

Area-Parser and Binder enhancement

dotnet/command-line-api#636 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
User-Types not Being Instantiated when using CommandHandler.Create(MethodInfo method) Open

Area-Parser and Binder

dotnet/command-line-api#637 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Document complex object binding Open

Area-Documentation question

dotnet/command-line-api#651 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Complex object binding sends in null if any argument is evaluates to null (even w/ default) Open

Area-Parser and Binder

dotnet/command-line-api#652 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Exception stack-traces when using System.CommandLine.DragonFruit are not friendly... Open

waiting-on-feedback

dotnet/command-line-api#668 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
WithSuggestionSourceAsync Open

Area-Completions enhancement

dotnet/command-line-api#681 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
HelpBuilder failing on windows nanoserver Open

waiting-on-feedback

dotnet/command-line-api#690 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
ConvertString should return Failure(...) when a string ctor fails instead of propagating the exception. Open

dotnet/command-line-api#696 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add support for Environment.ExpandEnvironmentVariables Open

dotnet/command-line-api#708 · 0 comments · 6 reactions · 0 assignees · Indexed Sep 15, 2026
Add support for confirmation Open

enhancement

dotnet/command-line-api#711 · 0 comments · 3 reactions · 0 assignees · Indexed Sep 15, 2026
Support with WPF (WinUI) apps Open

dotnet/command-line-api#733 · 10 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Feature request: Match commands by prefix Open

enhancement

dotnet/command-line-api#735 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Renamed: PowerShell Tab completion issues (you need to restart commandline to see refreshed dotnet suggest list) Open

Area-Completions bug

dotnet/command-line-api#749 · 10 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Using as a Blazor component... Open

enhancement

dotnet/command-line-api#772 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Type mismatch between string and string array to error out Open

Area-Parser and Binder

dotnet/command-line-api#787 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
How do we implement exception handling around Command.Invoke? Open

dotnet/command-line-api#796 · 40 comments · 16 reactions · 0 assignees · Indexed Sep 15, 2026
Consider using Option<T> in tutorial Open

Area-Documentation

dotnet/command-line-api#803 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026

dotnet/command-line-api

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