Development · Java

A skill your agent uses when adding a new remote/network endpoint (a RemoteOperation / OCSRemoteOperation) to this Nextcloud Android library, or when the user says "add an endpoint", "new remote…

nextcloud/android-library

Prices each step of the window climber algorithm by disabling it in turn, to find steps that no longer earn their keep and branches that no longer fire.

ben-manes/caffeine

Validate or fix LGPL-2.1-only headers, apply approved copyright provenance, and prepare provenance audits for renamed, split, copied, or extracted first-party code.

TotalCross/totalcross

Guide for writing modern Java 21 in a Grails and Groovy codebase: records, sealed classes, pattern matching, text blocks and how Java works alongside Groovy.

apache/grails-core

Rules for preparing pull requests and commits in the Quarkus project: title conventions, description format, commit hygiene, labels, and contribution policies.

quarkusio/quarkus

Java logging best practices with SLF4J, structured logging (JSON), and MDC for request tracing.

decebals/claude-code-java

Support spec-driven development in projects that use OpenFastTrace, a system-requirements document in doc/systemrequirements.md, an arc42-style design in doc/design.md, and per-issue task plans in…

itsallcode/openfasttrace

Generate, build, and test Azure SDKs locally from TypeSpec with automatic customization.

Azure/azure-sdk-for-android

Runs three parallel reviewers on a diff or branch, one blind, one design-aware and one matching past bug patterns, then triages their findings.

ben-manes/caffeine

Provides comprehensive code review guidance for React 19, Vue 3, Rust, TypeScript, Java, Python, and C/C++.

andrew-yangy/gru-ai

Review changes in clickhouse-java for correctness, compatibility, API stability, and missing tests.

ClickHouse/clickhouse-java

Initialize git in a local project without a repository, connect it to a remote, and generate a proper .gitignore.

exception-coder/npe_get_jobs

A skill your agent uses for Dependabot PRs, dependency bumps, Gradle or Maven dependency updates, GitHub Actions updates, dependency changelog/licence/release-note review, JVM/classfile checks, and…

kernitus/BukkitOldCombatMechanics

Diagnose and fix scope or continuation lifecycle failures in dd-trace-java instrumentation tests.

DataDog/dd-trace-java

Analyze Java code using Eclipse JDT tools — type hierarchy, find references, call hierarchy, compilation errors, quick fixes, and import suggestions.

gradusnikov/eclipse-chatgpt-plugin

Maintain and extend the arangodb/spring-data repository. An agent skill from arangodb/spring-data.

arangodb/spring-data

A skill your agent uses when you need to generate Java project diagrams — including UML sequence diagrams, UML class diagrams, C4 model diagrams, UML state machine diagrams, UML Deployment Diagrams…

jabrena/plinth

IntelliJ IDEA MCP for Java code analysis, testing, refactoring, and project navigation.

dtprj/dongting

Batch all open Dependabot dependency upgrade PRs into a single PR

XRPLF/xrpl4j

Create focused Git commits that follow this repository's validated commit-message format, with required scopes, focused validation, and preservation of unrelated local changes; invoke only when the…

TotalCross/totalcross

Debugger-first runtime root-cause analysis for JVM code in IntelliJ IDEA.

xpinjection/test-driven-spring-boot

Create or continue a GraalPython Bitbucket pull request and drive it through Graal Bot tasks, gate start, gate monitoring, failure investigation, fixes, pushes, and gate reruns.

oracle/graalpython

Project-local DPIS hook implementation and diagnosis workflow for Xposed API routing.

Kwensiu/DPIS

Review Java code for bugs, duplicate code, correctness risks, maintainability improvements, and missing tests.

sivaprasadreddy/sivalabs-agent-skills

Debug Java applications in Eclipse — set breakpoints, launch in debug mode, step through code, inspect stack traces, evaluate expressions, and hot-swap code changes.

gradusnikov/eclipse-chatgpt-plugin

Code refactoring expert for improving code quality, readability, maintainability, and performance.

yennanliu/CS_basics

Reviews Playwright-Java test code in phases, checking page-object architecture, then using a Playwright MCP tool to verify shaky locators live.

Tahanima/playwright-java-test-automation-architecture

Generate Java/Groovy/TypeScript code following Rundeck development standards.

rundeck/rundeck

Java coding best practices. An agent skill from Taoidle/plan-cascade.

Taoidle/plan-cascade

Searches synthetic workloads for cases where Caffeine's adaptive eviction policy falls short of its achievable hit rate, then classifies each gap by cause.

ben-manes/caffeine

Check gate status for a Bitbucket PR by resolving the PR head commit, finding the gate merge commit, inspecting builds on that merge commit, and summarizing root-cause failures with actionable next…

oracle/graalpython

Edit files in Eclipse projects using MCP tools. An agent skill from gradusnikov/eclipse-chatgpt-plugin.

gradusnikov/eclipse-chatgpt-plugin

Answers questions about code structure, history, bugs and PR risk using a CodeScope knowledge graph and semantic index built from the repository.

QwenLM/qwen-code

Coding standards for all Java code in fdb-record-layer. An agent skill from FoundationDB/fdb-record-layer.

FoundationDB/fdb-record-layer

Clarify or review Java Javadocs, Javadoc tags, and explanatory code comments for legibility, accuracy, and source alignment.

DataDog/dd-trace-java

Builds changelog entries from conventional commits in a Java project, after working out whether it uses SemVer, two-part versions or calendar versions.

decebals/claude-code-java

Debug Maven Surefire unit tests by running them in JDWP "wait for debugger" mode (-Dmaven.surefire.debug) and attaching to the forked test JVM using jdb (preferred for CLI/agent debugging)…

eclipse-rdf4j/rdf4j

Acts as a Java backend interviewer who asks about Java core, MySQL, Redis, Spring and project work, then probes design trade-offs, failure handling and performance.

Snailclimb/interview-guide

Build, test, deploy, and troubleshoot Morphe patches — gradle commands, CLI usage, git workflow, common errors and fixes.

Paresh-Maheshwari/morphe-ai

A skill your agent uses when you need to set up Java application profiling to detect and measure performance issues — including trusted preinstalled async-profiler v4.x setup, problem-driven…

jabrena/plinth

Covers Clean Code principles for Java: DRY, KISS and YAGNI with before-and-after examples, plus naming conventions for variables and booleans.

decebals/claude-code-java

Analyzes a cache trace file for the Caffeine simulator, characterizes its access pattern and recommends which eviction policies to compare.

ben-manes/caffeine

Cut a new FireCrasher library release — bump the version, sync the README and ABI baseline, verify, and tag for JitPack.

osama-raddad/FireCrasher

Guides moving a Grails application from 7.x to Grails 8 and turns the official upgrade guide into a checklist of breaking changes.

apache/grails-core

Detects .NET intent for any C, ASP.NET Core, EF Core, Blazor, MAUI, Uno Platform, WPF, WinUI, SignalR, gRPC, xUnit, NuGet, or MSBuild request from prompt keywords and repository signals (.sln…

novotnyllc/dotnet-artisan

Updates Nacos Maintainer SDK documentation by comparing Maintainer Client interfaces with maintainer-sdk.md, then adding/removing APIs and overloads while preserving existing descriptions and…

nacos-group/nacos-group.github.io

Cherry-pick a PR to a target version branch. An agent skill from vaadin/flow-components.

vaadin/flow-components

This skill provides comprehensive guidance for documenting SAP APIs following the SAP API Style Guide standards.

secondsky/sap-skills