Java

Runs a hostile review of the Caffeine Java caching library with parallel subagents that get no design docs, then challenges and consolidates their findings.

ben-manes/caffeine

Run, interpret, or modify Skylos safely. An agent skill from duriantaco/skylos.

duriantaco/skylos

Run a repeatable RDF4J performance loop against one JMH benchmark in Docker with Linux Java 26 and JFR CPU-time profiling.

eclipse-rdf4j/rdf4j

Generate installable SolonCode Web UI skin zip packages from natural-language design requests.

opensolon/soloncode

Write, rewrite, and format documentation code snippets into reusable, production-ready methods with necessary library imports and clean linting.

ClickHouse/clickhouse-java

Fingerprints which language or framework produced a serialized blob, then helps build a working gadget chain to test for insecure deserialization.

PentesterFlow/agent

Recommends which WxJava Maven module, BOM and example entry point fits a given WeChat product and server setup, from official accounts to payments.

binarywang/WxJava

Write a new library instrumentation end-to-end. An agent skill from DataDog/dd-trace-java.

DataDog/dd-trace-java

Generate code screenshots via ray.tinte.dev API. An agent skill from Railly/tinte.

Railly/tinte

Rebuild and restart the Saiku launcher fat-JAR after changing saiku-ui or Java code, without shipping stale UI bundles or breaking the running JVM.

spiculedata/saiku

Create a new Axon Framework 4→5 migration path documentation page.

AxonIQ/AxonFramework

A skill your agent uses when users want to practice or simulate Java, C++, Go, Golang, mixed-stack, or general backend technical interviews, including resume-based and job-description-based…

Hazehacker/backend-interview-simulator

Searches and extracts data from Burp Suite project files on the command line: regex searches over responses, audit findings, proxy history and site map data.

trailofbits/skills

A skill your agent uses when validating code-index-mcp language strategies, tree-sitter symbol extraction, calledby or import baselines, or sample projects under test/sample-projects after parser…

johnhuang316/code-index-mcp

Covers OpenOlat's SASS theme architecture, CSS class conventions, DOM structure, and roughly 540 Java component renderers for styling work.

OpenOLAT/OpenOLAT

Analyze current GraalPy periodic job failures for ROTA. An agent skill from oracle/graalpython.

oracle/graalpython

A skill your agent uses when refreshing GMavenPlus Groovy support, Maven dependency and plugin versions, and integration-test POM versions.

groovy/GMavenPlus

Roll Playwright .NET to a new version

microsoft/playwright-dotnet

Update the A2A Protobuf file (a2a.proto) when the A2A protocol specification changes.

a2aproject/a2a-java

Step-by-step guide for implementing AndroidX WebKit APIs in frameworks/support/webkit/ after boundary interface roll.

androidx/androidx

Starts, rebuilds, and troubleshoots the Opik local dev stack, including an optional Comet Platform integration mode for the Opik team.

comet-ml/opik

Runs detekt, checkstyle, and Android lint together, reads their reports, and proposes approved fixes grouped by file.

wordpress-mobile/WordPress-Android

Provides idiomatic Kotlin extension (KTX) patterns, reactive Flow event streams, and multi-subscriber shareIn rules for Google Maps SDK for Android and its Utility Library.

googlemaps/android-maps-ktx

Documents how TrueLicense is published to Maven Central from a version tag, the plugin constraints behind it and how to rehearse a release locally.

christian-schlichtherle/truelicense

Create, inspect, and safely update project-scoped ReachAI Agents; edit and publish Supervisor config drafts; discover published bindable Skills; and attach or detach exact Skill versions through the…

w8123/EnterpriseAgentFramework

A skill your agent uses when investigating a bug, failing test, or unexpected runtime behavior and the mcp-debugger MCP server is available — drives real step-through debuggers (breakpoints, stack…

debugmcp/mcp-debugger

OpenLDK-local autonomous work loop. An agent skill from atgreen/openldk.

atgreen/openldk

Audits the Caffeine cache source for hot-path costs such as allocations, contention and memory layout, reporting only findings tied to specific lines.

ben-manes/caffeine

Validates PlayFab Game Server SDK (GSDK) integrations in game server projects.

PlayFab/gsdk

Prepare and execute a new release for the flutter-intellij plugin, including updating dependencies, compatibility bounds, changelogs, and verification.

flutter/flutter-intellij

Investigate and harden Skylos security behavior. An agent skill from duriantaco/skylos.

duriantaco/skylos

Find and fix problems in a Minecraft Bedrock Edition add-on (behavior packs and resource packs) using Minecraft Creator Tools validation.

Mojang/minecraft-creator-tools

Apply IntelliJ Kotlin and Java code style when writing or reviewing.

JetBrains/intellij-community

Debug applications using the dbg CLI debugger. An agent skill from theodo-group/debug-that.

theodo-group/debug-that

Accessibility testing toolkit using Selenium WebDriver 4+ with Java 21+ and axe-core engine.

fugazi/test-automation-skills-agents

Add or extend Redis commands in the Jedis client API — a new core command, a family of new commands, an extension to an existing command's options, or a module command (Search/TimeSeries/JSON/Bloom).

redis/jedis

RealSenseID face authentication SDK reference. An agent skill from realsenseai/RealSenseID.

realsenseai/RealSenseID

Guidance for Groovy 5 work in Grails projects: syntax, closures, traits, DSLs, metaprogramming, Spock tests, static compilation and Java 21 integration.

apache/grails-core

Reverse-engineer missing or incomplete OpenFastTrace system requirements and arc42-style design documentation from a project's user guide, existing documentation, tests, and code.

itsallcode/openfasttrace

A skill your agent uses when asked to perform any of the following actions in a Java project: - To add jspecify support - To prevent NullPointerExceptions - To better handle Nullability This skill…

sivaprasadreddy/sivalabs-agent-skills

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

decebals/claude-code-java

排查 WxJava 在配置初始化、access token、签名验签、支付证书、回调通知、序列化、网络请求和多账号隔离方面的问题。适用于用户提供异常、日志、请求响应或“WxJava 为什么不能调用”的场景。

binarywang/WxJava

Performance-overhead review of a code diff / branch / PR for the dd-trace-java tracer.

DataDog/dd-trace-java

Explore and navigate Git-tracked Scala 2/3 and Java source with Scalex.

nguyenyou/scalex

Guide a new contributor through the rundeck OSS repo. An agent skill from rundeck/rundeck.

rundeck/rundeck

Port a component or feature that already exists in one protocol client template to sibling clients under packages/templates/clients/<protocol/ that are missing it.

asyncapi/generator

Update the Milvus SDK API reference documentation under APIReference/ in the web-content repository so it reflects a new SDK release, using the SDK repository's git tags as ground truth.

milvus-io/web-content

Triage Apache Roller security reports, maintain private case tracking, prepare CVE records, coordinate fixes and reporter review, and prepare disclosure with a release.

apache/roller