MCP App StoreMCP App StoreSKILL.md packages that extend Claude Code, Cursor, Copilot, and other AI agents.
Tags
mutant
Run Mutant mutation testing, analyze alive mutations, and produce clear fix actions (add tests or simplify code).
hand-compute
A technique skill that guides agents to execute system flows step-by-step with explicit state to find race conditions and state bugs.
skill_share
Guidance for authoring and testing agent skills using a test-driven approach; helps design clear SKILL.md files and discovery-optimised descriptions.
alef
Generates fully-typed language bindings and scaffolding for Rust libraries across 16 target languages, and provides CLI workflows for generate, build, test, ver
orchestkit
Deep pull-request code review using parallel specialized agents (quality, security, tests, architecture, performance) and synthesized review reports for approve
orchestkit
Run comprehensive verification: parallel agents for tests, security, coverage, grading and improvement suggestions; produces evidence-backed verification report
salesforce-claude-code
Guides building Agentforce AI agents: agent script patterns, actions (Apex invocable), testing workflows, deployment and metadata best practices.
ai-driven-swift-architecture
Guides migrating RxSwift Observable-based networking and ViewModel code to Swift's native async/await concurrency, with patterns for URLSession, repository/view
get_it
Practical, opinionated guidance for using get_it (Dart/Flutter) — registration patterns, scopes, async init, retrieval, testing, and production best practices.
ros2-engineering-skills
An API-reference and template guide for ROS 2 development: workspace, nodes, QoS, ros2_control, Nav2/MoveIt, testing, and deployment best practices.
Structured, per-bug review workflow: confirm, validate or push back, get agreement, implement TDD fixes, and commit with changelog — one bug per commit.
rocm-libraries
Draft or revise pull request titles and bodies into a concise standard format including summary, risk assessment, testing summary, checklist, and technical chan
ed3d-plugins
Generate detailed, engineer-ready implementation plans from design docs: file paths, step-by-step tasks, tests, and verification instructions.
skills
Pattern for Jetpack Compose that separates state-holder wiring from pure UI composables to improve testability, previews, and reuse.
midnight-skill
Write, test, and deploy Compact zero-knowledge smart contracts for the Midnight blockchain, with guidance on privacy, witnesses, and testing.
Claude Code Workflows
Opinionated, language-agnostic principles for writing maintainable, readable, and secure code — use when implementing features, refactoring, or reviewing code q
nexus-agents
A disciplined, test-first workflow for reproducing, triaging, and fixing software bugs while preventing regressions.
dataframely
Guidelines and best practices for defining typed Polars schemas and collections, validating data frames, and writing tests using Dataframely.
claude-mpm-skills
Guides building production-quality Go CLIs using Cobra for commands and Viper for configuration, with patterns for flags, completion, testing and best practices
dotfiles
Performs multi-axis code review (correctness, readability, architecture, security, performance) and provides a structured checklist and severity-labelled feedba
EloPhanto (React agent)
Opinionated Solana dApp and program development skill: wallet UX, Anchor/Pinocchio programs, testing (LiteSVM/Surfpool), and migration/security checklists for p
kilo-marketplace
Guides agents to build, modify, test, and validate dbt models and SQL transformations for analytics engineering workflows.
ed3d-plugins
A practical guide and pattern catalog for property-based testing (PBT): when to use it, property catalog, libraries, and best-practice strategies across languag
pgrx
Guidance and commands for building, testing, and running pgrx-based Postgres extensions in Rust; clarifies #[test] vs #[pg_test] and appropriate cargo pgrx subc
agentscope-java
Reactive Java framework skill for building non-blocking, agent-oriented LLM applications using Project Reactor and AgentScope conventions.
kotest
Author, migrate, and debug Kotlin tests using the Kotest framework — supports spec styles, assertions, property testing and multiplatform setups.
bob
Opinionated Go coding guidelines covering pool lifetimes, concurrency safety, numeric boundaries, error handling, and test discipline for production-quality Go
agent-skills
Generate NUnit 3 unit tests and test patterns for C# projects (Assert.That constraint model, parameterized tests, lifecycle hooks, and Moq examples).
ckb-standalone-debugger
Repository-specific skill for offline CKB contract debugging: run mock transactions, GDB sessions, flamegraph/coverage analysis, and WASM-compatible runs for co
agent-skills
Quickly re-read recently changed code to catch obvious bugs, typos, and edge cases before committing.