Browse plugins

The `/retro` command analyzes the current Claude Code session transcript to detect friction (tool errors, repeated mistakes, convention violations) and routes each finding to one of six destinations—user memory, project rules, skill PRs, checkpoints, or harness artifacts—with explicit per-proposal approval before any writes. It replaces continuous background hooks with a single efficient LLM pass that returns ≤10 actionable proposals grouped by destination.

A Claude Code skill providing WCAG 2.1 AA accessibility patterns and comprehensive guidelines for TYPO3 v13+ sitepackage frontend development. It includes HTML/ARIA patterns, SCSS examples, TypeScript implementations, and patterns for common UI components like forms, tables, navigation, and notifications.

A skill that teaches efficient CLI-based code and file search strategies, covering ripgrep, ast-grep, fd, rga, tokei, and scc with guidance on tool selection and best practices. It provides pattern recipes and search strategies for finding text patterns and structural code matches in codebases of any size.

This plugin provides idiomatic development assistance across eight major programming languages and frameworks: C#/.NET, Go, Java/Kotlin, Python, Rust, TypeScript, shell, and web technologies. It bundles one AI agent with eight skills to help developers follow language-specific best practices and conventions.

This skill automates migration of code and prompts from Sonnet 4.x and Opus 4.1 to Opus 4.5, updating model strings, beta headers, and configuration details. It helps ensure compatibility with the latest model version and can be used iteratively to refine prompts after migration.

This plugin provides 16 execution and product management skills for creating PRDs, OKRs, roadmaps, sprint plans, user stories, and other artifacts commonly used in product development workflows. It includes commands for brainstorming strategy, running pre-mortems, generating test scenarios, facilitating retrospectives, and managing stakeholder communication—all without requiring external API keys or tools.

This plugin documents AI-generated codebases and audits them for security/performance gaps by comparing documented intent against actual implementation, producing a reviewer-ready shipping packet. It provides five commands to reverse-engineer architecture, map test coverage, and identify risks that generic scanners miss.

This plugin provides product marketing and growth utilities including marketing idea generation, value proposition crafting, North Star metric definition, product naming, and competitive positioning analysis. It offers two main commands and five skills to help teams develop comprehensive go-to-market strategies and validate their product's core metrics.

This skill provides expert patterns for integrating CKEditor 5 into TYPO3 v12+, covering custom plugin development, YAML-based RTE configuration, and migration strategies from CKEditor 4. It includes reference documentation for CKEditor 5 architecture, schema/conversion systems, and TYPO3-specific integration gotchas.

This plugin creates museum-quality visual art directly in PNG and PDF documents by applying design philosophy principles. Use it to generate posters, art pieces, and static visual works without requiring external tools or API keys.

This plugin provides a frontend development skill for React, Next.js, TypeScript, and Tailwind CSS projects, offering component scaffolding, bundle analysis, and performance optimization tools. It includes accessibility best practices guidance to help developers build production-ready, performant web applications.

This plugin provides market research skills for product managers, including tools to analyze competitors, build user personas, segment customers, and perform sentiment analysis on feedback. It offers three commands to conduct competitive analysis, analyze user feedback at scale, and run comprehensive user research with persona building and customer journey mapping.

This toolkit provides seven specialized skills and a guided workflow command for building Claude Code plugins, covering hooks, MCP integration, plugin structure, settings, commands, agents, and skills. The /plugin-dev:create-plugin command guides users through an 8-phase process from discovery to documentation, with best practices, examples, and validation utilities included.

This TYPO3 upgrade effort model provides per-version risk multipliers, breaking-change baselines, and a 7-phase assessment workflow to estimate the effort required for TYPO3 LTS major version upgrades. It supplies technical risk factors and compatibility matrices but requires pairing with your team's historical project data to produce calibrated effort estimates.

A Claude Code skill that standardizes Netresearch skill repository structure, packaging, validation, and CI workflows to ensure consistency across marketplace, Composer, npm, and release channels. It provides repository templates, validation scripts, and reusable CI workflows to prevent drift and maintain organizational standards for agent skills.

This plugin provides three independent agentic skills for Matrix/Synapse: matrix-communication enables sending, reading, editing, and reacting to chat messages with full E2EE support; matrix-administration operates Synapse homeserver functions; and matrix-announcement helps compose structured announcements. All skills work with any Matrix/Synapse homeserver and require no external API keys or paid services.

This plugin equips product managers with SQL query generation and cohort analysis skills to extract insights from user data. It provides three main capabilities: generating SQL queries from natural language descriptions, performing cohort analysis to identify retention patterns and engagement trends, and analyzing A/B test results with statistical rigor.

This plugin enables discovery and auditing of all available Claude Code plugins in the marketplace, displaying installation status, version information, and detailed component breakdowns. It provides a comprehensive view of the plugin ecosystem through a single skill-based interface.

This skill guides TYPO3 extension developers through systematically upgrading extensions to newer LTS versions by diagnosing deprecated APIs, automating PHP and non-PHP code migrations, and providing version-specific guidance across TYPO3 v7–v14. It integrates with tools like Rector, Fractor, PHPStan, and the Extension Scanner to streamline the upgrade workflow.

This plugin provides a skill guide for building high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services. It documents best practices and patterns for designing well-structured tools and servers without requiring external dependencies.

This plugin provides a spec-driven development workflow system with four specialized agents that guide feature development through structured phases: Requirements (business analyst), Design (software architect), Tasks (development lead), and Implementation (strict task executor). The workflow enforces sequential execution with approval gates, zero-improvisation during coding, and produces comprehensive specification documents at each phase.

This skill generates and maintains AGENTS.md files that guide AI coding agents through project structure using the agents.md specification. It auto-detects project language, extracts commands from build configs, and creates both root and scoped documentation files for Go, PHP, TypeScript, Python, and hybrid projects.

This skill fetches live library documentation from the Context7 REST API for 50+ popular libraries like React, Next.js, Vue, and Express, triggered by natural language queries about documentation. It provides current, topic-specific documentation without the persistent context overhead of an MCP server.

This plugin provides browser-based testing, validation, screenshots, recordings, and quick automation capabilities through an agent and supporting skills. It requires no external API keys or third-party services.

This skill systematically evaluates TYPO3 extensions against official coding standards, architecture patterns, and best practices for TYPO3 v12/v13/v14 LTS versions. It orchestrates specialized skills for testing and documentation analysis while performing surface-level conformance checks across extension structure, PHP architecture, PSR-12 compliance, and quality tooling configuration.

This plugin provides a rigorous performance investigation workflow that establishes baselines, runs controlled sequential benchmarks, and performs profiling to identify hotspots. It consolidates findings into evidence-backed recommendations with structured logging and version-specific baselines.

This plugin provides 8 domain-specific Claude Code skills for OroCommerce v6.1 development, offering version-pinned guidance on entities, datagrids, REST APIs, workflows, security, and bundle scaffolding. It equips experienced Oro developers with accurate task-specific skills that highlight non-obvious pitfalls and best practices rather than introductory tutorials.

A Claude Code skill providing comprehensive Netresearch brand guidelines, color specifications, typography standards, and production-ready templates for consistent brand implementation across web projects. It enables Claude to help developers maintain visual identity and WCAG AA accessibility compliance when creating Netresearch-affiliated digital materials.

This Agent Skill provides production-grade Go development patterns for building resilient services, including cron scheduling, Docker integration, LDAP clients, and comprehensive testing strategies extracted from real-world projects. It automatically triggers when working on Go services, job schedulers, Docker APIs, LDAP clients, and systems requiring retry logic or graceful shutdown.

This skill guides AI agents through modernizing PHP applications to PHP 8.x with type safety, static analysis (PHPStan, Rector, PHP-CS-Fixer), and PSR/PER compliance using a four-step discovery-drill-apply-reference loop. It provides Python-based verification tools that emit machine-readable JSON, SARIF, or JUnit reports with archetype detection and binding safety guardrails (e.g., no readonly on Doctrine entities, Rector only in dry-run mode).

This skill provides version-aware TypoScript, TSconfig, and Fluid reference lookup for TYPO3 projects with local caching, deprecation annotations, and migration guides tailored for Claude Code. It prevents hallucinations by enforcing structured reference lookups, supporting TYPO3 versions 12, 13, and 14 with offline access after the initial cache population.

This plugin provides 12 product strategy skills and 5 commands covering frameworks essential for product managers—including Business Model Canvas, Lean Canvas, SWOT, PESTLE, Porter's Five Forces, Ansoff Matrix, and value proposition design. It enables PMs to analyze markets, design pricing strategies, and develop comprehensive product strategies without requiring external APIs or services.

This plugin analyzes development tasks and proposes a minimal agent team composition with defined roles, responsibilities, and work isolation, then creates the team after user confirmation. It optionally chains with an ADR-based planning skill to decompose tasks into structured implementation steps with dependencies and completion criteria.

This skill enforces natural German technical register for Jira comments, internal documentation, and team messages by catching anglicisms and false cognates while preserving accepted Denglisch loanwords. It applies domain-specific lexicons and register conventions for German-language technical artifacts.

This skill converts Markdown files to styled PDFs using WeasyPrint with a generic, brand-neutral default style that can be overridden via custom CSS for branded output. It integrates with Claude Code, Cursor, GitHub Copilot, and other agent-skills-compatible AI agents.

This plugin reformats Claude Code output for ADHD-friendly reading by leading with actionable next steps, numbering tasks, suppressing tangents, and making progress visible. It uses 10 specific rules—like matter-of-fact tone, capped lists, and concrete time estimates—to eliminate preamble and bury-the-answer patterns.

This Agent Skill automates DDEV environment setup for TYPO3 extension development, automatically detecting extension metadata and generating configuration for testing across multiple TYPO3 versions (11.5, 12.4, 13.4, 14.3 LTS). It creates pre-configured Docker environments with TYPO3 installations, custom commands, and a branded landing page dashboard for quick multi-version testing.

This skill provides GitLab CLI (glab) expertise to help manage merge requests, issues, CI/CD pipelines, and repositories from the command line. It requires the GitLab CLI tool to be pre-installed and authenticated locally.

The pm-toolkit provides four core skills for product managers: resume review and tailoring against PM best practices, NDA drafting with jurisdiction-specific clauses, privacy policy generation covering compliance requirements, and grammar/flow checking with targeted fixes. It runs entirely locally without external API dependencies or third-party services.

Theme Factory provides a single skill that applies professional, pre-configured styling to artifacts like slides, documents, reports, and HTML landing pages. It includes 10 preset themes with coordinated colors and fonts, eliminating the need for manual design work.

This skill provides a complete Vite build setup, modular SCSS architecture, and Bootstrap 5 theming configuration tailored for TYPO3 v13+ sitepackage development. It includes reference documentation for Vite configuration, SCSS folder structure with naming conventions, and Bootstrap theme customization.

This skill guides developers through the TYPO3 Core contribution workflow, covering Gerrit-based code review, CI/CD debugging, commit message formatting, and quality assurance. It provides systematic workflows, automated issue detection, and comprehensive troubleshooting for contributions to TYPO3's PHP, JavaScript, CSS, and test code.

This plugin generates beautiful HTML pages that visualize diagrams, diff reviews, plan reviews, slides, and data tables with minimal setup. It provides 7 commands for creating interactive visual explanations without requiring external API keys or tools.

Harness is a Claude Code plugin that transforms a domain description into a coordinated agent team architecture and supporting skills by applying one of six pre-defined team patterns: Pipeline, Fan-out/Fan-in, Expert Pool, Producer-Reviewer, Supervisor, or Hierarchical Delegation. It automatically generates agent definitions and skills tailored to your domain through a structured six-phase workflow spanning domain analysis, architecture design, agent/skill generation, integration, and validation.

pg-aiguide provides AI coding assistants with curated PostgreSQL best practices through semantic search over official documentation and AI-optimized skills that improve schema quality. It works as an Agent Skill, MCP server, or Claude Code plugin to help AI tools generate more robust, performant PostgreSQL code with better constraints, indexes, and modern features.

This plugin provides 13 product discovery skills for PMs to run ideation, experiment design, assumption testing, feature prioritization, and customer interview workflows. It includes commands to brainstorm ideas, run full discovery cycles, manage metrics dashboards, and synthesize customer interviews without requiring any external APIs or tools.

This skill guides developers through upgrading deployed TYPO3 project instances across major LTS versions, covering template migration (sys_template → Site Sets), Bootstrap 4→5 migration, infrastructure updates like ImageMagick configuration, and database cleanup. It provides a structured assessment methodology using checkpoints to verify upgrade completeness across mechanical checks and LLM reviews.

This skill teaches Claude Code agents when and how to use structured data tools (jq, yq, dasel, qsv, mlr) instead of fragile text processing for JSON, YAML, TOML, XML, CSV, and JSONL formats. It includes comprehensive cookbooks and patterns to avoid common antipatterns like grep/sed/awk on structured data.

This skill teaches coding agents to use Jujutsu (jj) as a reversible, safe local change-management layer while keeping Git as the canonical remote, PR, and CI interface. It enables agents to make cleaner, smaller, reviewable commits while preventing common Git pitfalls like destructive resets, lost work, and unclear version-control state.

This plugin provides a skill for implementing test-driven development (TDD) workflows using the red-green-refactor cycle. It guides developers through writing failing tests first, then implementing code to pass those tests, and finally refactoring for quality.

This plugin provides a code-reviewer agent that performs systematic reviews against a base branch by analyzing diffs for critical issues and quality. It includes two skill strategies: disposable subagents for quick one-shot reviews and persistent team members for iterative follow-up questions.

This plugin provides a single skill for generating distinctive, production-grade frontend interfaces with high design quality and polished code. It helps avoid generic AI aesthetics by focusing on creative design patterns and best practices.

This skill enhances Claude's frontend design capabilities to create production-grade UI/UX with distinctive aesthetics, bold typography, color palettes, and high-impact animations that avoid generic AI-generated interfaces. Claude automatically applies it for frontend work, enabling context-aware implementation of dashboards, landing pages, and other design components with meticulous visual detail.

This plugin enables Python scripting and AI-powered image generation within Claude using Google's Gemini models, with inline script dependencies managed through uv. It supports image generation, editing, and arbitrary Python script execution through heredoc-based workflows.

This Agent Skill assesses software projects against enterprise-grade security and quality standards including OpenSSF Scorecard, Best Practices Badge, SLSA, and supply chain security frameworks. It provides dynamic scoring across different platforms and languages, with automation scripts and templates to help projects progress toward compliance certifications.

This plugin provides five DevOps-focused skills for CI debugging, detecting technical debt, and implementing ownership patterns within development pipelines. It equips teams with patterns and diagnostics to troubleshoot CI failures and manage code quality without requiring external APIs or tools.

This plugin analyzes your Claude Code chat history to identify coding patterns, development gaps, and skill areas, then generates a personalized growth report with curated learning resources from HackerNews. It works entirely with local data and requires no external API keys or third-party services.

This skill performs systematic project assessment by running scripted checkpoint verification (file existence, regex patterns, command execution) combined with domain-specific LLM agent reviews to comprehensively evaluate compliance against Netresearch skills. It generates structured JSON reports detailing pass/fail status across repo-health, security, code-quality, documentation, git-workflow, docker, ddev, and upgrade domains.

A single GitHub-platform Agent Skill that configures repository setup, branch protection rules, PR workflows, and issue hierarchies without touching CI/CD or language tooling. It provides procedural knowledge for branch protection, CODEOWNERS, auto-merge workflows, merge queues, and troubleshooting common PR/merge issues via graphQL mutations and shell scripts.

This plugin provides Git worktree management through a single skill that creates, lists, and deletes worktrees for working on multiple branches simultaneously. It automatically activates when you mention worktree tasks and organizes worktrees in a sibling directory pattern using the naming convention `../<project>-<branch>`.

spec-flow provides a lightweight spec loop that guides you through planning a slice, executing a task, and then checkpointing progress or closing out work. It consists of two agents and one skill to streamline iterative development cycles.

An expert agent skill for Concourse CI pipeline development, optimization, and troubleshooting, providing guidance on resource configuration, best practices, and debugging common issues like tag detection problems. The skill includes comprehensive documentation covering pipeline syntax, 50+ resource types, multi-branch pipeline patterns, and critical optimization techniques.

This skill breaks down complex feature implementations into structured phases—Setup, Research, Finalize, Tasks, Implement, Review—with clear task dependencies and success criteria tracked in `.plans/` directories. It guides users through iterative approach selection and integrates with TodoWrite for progress tracking across phased implementation workflows.

This skill teaches Claude how to query, index, and manage Elasticsearch clusters via curl and REST APIs, covering search, aggregations, ES|QL, index management, and cluster operations. It includes comprehensive markdown references for Query DSL, document CRUD, bulk operations, Kibana dashboards, and OpenTelemetry data correlation — all without requiring an SDK or MCP server.

A plugin providing Claude Code workflow patterns focused on prompting strategies, CLAUDE.md documentation maintenance, and multi-agent orchestration techniques. It offers 4 reusable skills to streamline agent coordination and collaborative coding workflows.

This plugin provides 3 agents and 7 skills for research, documentation lookup, utility routing, and skill authoring, along with instruction review and agent configuration auditing capabilities. It enables developers to audit reasoning processes and review agent configurations without requiring external API keys or services.

This plugin provides a comprehensive skill for building complex HTML artifacts with React, Tailwind CSS, and shadcn/ui components, supporting state management and routing. It enables developers to create elaborate multi-component interactive interfaces directly within Claude.

This skill bootstraps, verifies, and enforces agent-harness infrastructure in repositories to make them AI-agent-ready through CI workflows, git hooks, and self-sustaining conventions. It validates harness consistency across three maturity levels (Basic, Verified, Enforced) and delegates specialized work to other skills while ensuring enforcement mechanisms work for all contributors regardless of skill installation.

This plugin provides an infrastructure operations agent for managing Kubernetes, Terraform, Helm, GitHub Actions, and cloud platforms like AWS and GCP. It bundles capabilities for common DevOps and infrastructure automation tasks.

Handbook Reflect provides three skills for analyzing Claude Code sessions: a reflection dashboard that identifies wrong turns, a summary tool that generates an interactive HTML recap, and a quest tree visualizer that maps session flow with retries and reversals. These tools help developers turn development sessions into reusable artifacts and insights.

This plugin equips product managers with structured frameworks for launching products, including GTM strategy, growth loops, competitive positioning, and customer segmentation. It provides six skills and three commands covering everything from identifying beachhead segments and ideal customer profiles to designing growth mechanisms and sales-ready battlecards.

The img plugin generates and edits images using OpenAI GPT-4o's image generation or Google's Gemini 3.1 Flash with image preview capabilities, with no automatic provider fallback. It provides both a CLI tool and Claude Code/Codex plugins that support on-brand image workflows for teams managing multiple client projects.

Provides best-practice guidance for Dockerfile development, Docker Compose orchestration, and multi-platform builds with Docker Bake, including CI testing patterns and security hardening. Includes a companion skill for Windows hosts running Docker Desktop via WSL2 to prevent bind-mount path corruption.

This plugin analyzes git commit history to automatically generate user-friendly changelogs by categorizing and transforming technical commits into clear release notes. It uses a skill to parse commits and produce customer-facing documentation without requiring external services or API keys.

This skill provides a structured runbook for Round-1 IT QA peer review of completed work, enforcing formal correctness, functional resolution, inventory consistency, documentation standards, rollback procedures, and communication protocols before handoff to customer acceptance or internal close. It produces a single formatted QA comment with severity icons and a clear pass/bounce/won't-do verdict.

This plugin provides 2 skills for setting up and optimizing development environments, including git worktrees management and terminal configuration. It requires no external APIs or tools and runs entirely within Claude's sandboxed environment.

This skill validates deployable TYPO3 v14 site/project repositories against a gold-standard ruleset covering layout, Docker/Compose topology, Concourse CI pipelines, supply-chain gating, secrets, and Valkey/ofelia runtime. It includes a self-contained Python checker and machine-readable rule catalogue requiring only pyyaml, no external services.

This TYPO3 extension testing skill generates unit, functional, and E2E tests automatically using Claude Code agents, with support for Playwright browser automation, accessibility testing via axe-core, and CI/CD integration templates. It provides infrastructure setup, fixture management, and quality tooling integration (PHPStan, Rector, php-cs-fixer) following TYPO3 best practices.