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remkop

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picocli
Picocli is a modern framework for building powerful, user-friendly, GraalVM-enabled command line apps with ease. It supports colors, auto...

Java · 5425 stars

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Skill generator Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

remkop/picocli#2522 · Opened May 21, 2026
Setter is called twice unnecessarily when using `defaultValue = Option.NULL_VALUE` Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

remkop/picocli#2521 · Opened May 19, 2026
Add Required attribute to ManPageGenertor Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

remkop/picocli#2519 · 3 comments · Opened May 16, 2026
Allow subcommands to reject inherited options for a subtree Open

Difficulty 5/5 Over a week Newbie friendliness 45/100

remkop/picocli#2518 · Opened May 11, 2026
execute() does not flush out/err PrintWriters after command execution Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

remkop/picocli#2514 · Opened May 7, 2026
Make ArgGroupSpec.allOptionsNestedExcept public and use it in ManPageGenerator Open

type: API :electric_plug:

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

remkop/picocli#2513 · Opened May 6, 2026
Improve getSuggestions Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

remkop/picocli#2510 · Opened Apr 21, 2026
ArgSpec.originallyRequired() does not actually preserve original required setting Open

type: bug :bug:

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

remkop/picocli#2506 · Opened Feb 20, 2026
Support for Gradle incremental annotation processing Open

status: help-wanted 🆘 theme: annotation-proc theme: build type: enhancement :sparkles:

Difficulty 4/5 3-5 days Newbie friendliness 42/100

remkop/picocli#2504 · Opened Feb 19, 2026
PicoCLI does not use customized option-parameter separator in missing argument message Open

theme: usagehelp type: bug :bug: type: enhancement :sparkles:

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

remkop/picocli#2500 · Opened Jan 16, 2026
required versus unmatched options Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

remkop/picocli#2496 · 2 comments · Opened Nov 26, 2025
Spring Boot 4 support Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

remkop/picocli#2491 · 8 comments · 5 reactions · Opened Nov 21, 2025
jarVersion attribute Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

remkop/picocli#2478 · Opened Sep 26, 2025
picocli-codegen is missing provides ... with for service registration Open

theme: codegen theme: module type: bug :bug:

Difficulty 1/5 Under an hour Newbie friendliness 45/100

remkop/picocli#2464 · 2 comments · Opened Aug 27, 2025
Support method injection with `@ParentCommand` (and others). Open

type: API :electric_plug: type: enhancement :sparkles:

Difficulty 4/5 3-5 days Newbie friendliness 35/100

remkop/picocli#2444 · 3 comments · Opened Jun 30, 2025
Bug: Default value provider is not called for required inherited options of subcommands. Open

type: bug :bug:

Difficulty 3/5 1-2 days Newbie friendliness 48/100

remkop/picocli#2443 · 8 comments · Opened Jun 30, 2025
@Spec must be enclosed in a @Command, or in a class that implements IVersionProvider Open

theme: annotation-proc type: bug :bug:

Difficulty 3/5 1-2 days Newbie friendliness 45/100

remkop/picocli#2430 · 1 comment · 1 reaction · Opened May 27, 2025
GraalVM native image build with mixinStandardHelpOptions fails when using @Options that overlap with the standard help options Open

theme: codegen type: enhancement :sparkles:

Difficulty 3/5 1-2 days Newbie friendliness 35/100

remkop/picocli#2426 · 1 comment · Opened May 22, 2025
Support shell completion for nushell Open

status: help-wanted 🆘 theme: shell

Difficulty 4/5 3-5 days Newbie friendliness 48/100

remkop/picocli#2408 · 2 comments · Opened Apr 24, 2025
usage.jdx.dev Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

remkop/picocli#2376 · 1 comment · 1 reaction · Opened Mar 19, 2025
Support javadoc DRY usage Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

remkop/picocli#2372 · 1 comment · Opened Mar 6, 2025
Awkward quoting behaviour when splitting option values Open

theme: parser type: enhancement :sparkles:

Difficulty 5/5 Over a week Newbie friendliness 25/100

remkop/picocli#2368 · 3 comments · Opened Feb 22, 2025
IDefaultValueProvider for Map options with multiple values without using split regexp Open

status: duplicate 👨🏻‍🤝‍👨🏻

Difficulty 5/5 Over a week Newbie friendliness 30/100

remkop/picocli#2362 · 3 comments · Opened Jan 28, 2025
Improve navigation for picocli-generated manual pages Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

remkop/picocli#2337 · Opened Sep 10, 2024
Synopsis in tailtip widget is limited to a certain length Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

remkop/picocli#2332 · Opened Aug 13, 2024
Access to ArgSpec and OptionSpec setter/getter fields and methods Open

type: API :electric_plug:

Difficulty 4/5 3-5 days Newbie friendliness 35/100

remkop/picocli#2325 · 4 comments · Opened Jul 23, 2024
Leverage Spring boot DI with Picocli Open

theme: integration

Difficulty 5/5 Over a week Newbie friendliness 20/100

remkop/picocli#2312 · 1 comment · Opened Jun 27, 2024
Mixin-with-prefix capability? Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

remkop/picocli#2310 · 5 comments · Opened Jun 25, 2024
Recursive subcommand could give better error Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

remkop/picocli#2293 · 1 comment · Opened May 30, 2024
Command methods: picking from interfaces in addition to superclasses. Open

Difficulty 4/5 3-5 days Newbie friendliness 32/100

remkop/picocli#2245 · 2 comments · Opened Apr 14, 2024
ITypeConverter for custom generics (type constructors) Open

lang: scala theme: compatibility theme: parser

Difficulty 5/5 Over a week Newbie friendliness 25/100

remkop/picocli#2156 · 8 comments · Opened Nov 24, 2023
ManPageGenerator fails with Quarkus Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

remkop/picocli#2145 · 1 comment · Opened Nov 1, 2023
Clarification about repeatable subcommand Open

theme: parser type: enhancement :sparkles:

Difficulty 5/5 Over a week Newbie friendliness 20/100

remkop/picocli#2133 · 7 comments · Opened Oct 10, 2023
subcommandsRepeatable = true vs HelpCommand Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

remkop/picocli#2123 · 3 comments · Opened Sep 28, 2023
Displaying command alias in help/usage Open

status: help-wanted 🆘 theme: usagehelp type: enhancement :sparkles:

Difficulty 3/5 1-2 days Newbie friendliness 25/100

remkop/picocli#2104 · 3 comments · Opened Sep 2, 2023
Force parameters to follow options Open

status: help-wanted 🆘 type: API :electric_plug: type: enhancement :sparkles:

Difficulty 4/5 3-5 days Newbie friendliness 35/100

remkop/picocli#2103 · 2 comments · Opened Sep 1, 2023
Autocompletion for options with `split=...` Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

remkop/picocli#2069 · 2 comments · Opened Jul 20, 2023
Autocompletion for positional parameters on `~` Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

remkop/picocli#2068 · 3 comments · 1 reaction · Opened Jul 18, 2023
Question: Multiple invocations of execute method on single CommandLine instance Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

remkop/picocli#2066 · 3 comments · Opened Jul 16, 2023
Should picocli be added to GraalVM's "Libraries and Frameworks Tested with Native Image" page? Open

theme: integration type: doc :blue_book:

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

remkop/picocli#2056 · 3 comments · Opened Jul 3, 2023
Builtins with configpath is not null Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

remkop/picocli#2042 · Opened Jun 9, 2023
Generic converter/completion candidates iterator for enum values? Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

remkop/picocli#2025 · 1 comment · 1 reaction · Opened May 15, 2023
Dynamic version from Maven with GraalVM Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

remkop/picocli#2018 · 4 comments · Opened May 5, 2023
Is there any possibility to localize error messages? Open

status: help-wanted 🆘 theme: usagehelp type: enhancement :sparkles:

Difficulty 5/5 Over a week Newbie friendliness 25/100

remkop/picocli#1946 · 3 comments · Opened Feb 2, 2023
Order problems with @Mixins, @Parameters and @Command-annotated methods Open

theme: usagehelp type: enhancement :sparkles:

Difficulty 4/5 3-5 days Newbie friendliness 45/100

remkop/picocli#1919 · 3 comments · Opened Jan 11, 2023
Add support for @Command-annotated methods to codegen tools (was:ManPageGenerator: Can't find annotated method) Open

status: help-wanted 🆘 theme: codegen type: enhancement :sparkles:

Difficulty 4/5 3-5 days Newbie friendliness 35/100

remkop/picocli#1858 · 1 comment · Opened Oct 24, 2022
Command fields not cleared after autocompletion Open

status: help-wanted 🆘

Difficulty 3/5 1-2 days Newbie friendliness 45/100

remkop/picocli#1856 · 4 comments · Opened Oct 22, 2022
ArgGroup for help and generic options Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

remkop/picocli#1847 · Opened Oct 16, 2022
Question: Get CommandSpec for actual command Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

remkop/picocli#1839 · 4 comments · Opened Oct 6, 2022
Add support for pluggable ITypeConverterFactory Open

status: help-wanted 🆘 theme: parser type: API :electric_plug: type: enhancement :sparkles:

Difficulty 5/5 Over a week Newbie friendliness 25/100

remkop/picocli#1804 · 30 comments · Opened Sep 8, 2022

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