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Skills
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Performance baseline and regression detector with four modes: page perf (Core Web Vitals + page weight + JS/CSS/image bundle sizes via browser MCP), API perf (100 hits per endpoint with p50/p95/p99 plus 10-concurrent load), build perf (cold build, HMR, test/typecheck/lint, Docker), and `baseline`/`compare` mode that diffs metrics before vs after a change. Stores baselines in git-tracked `.ecc/benchmarks/*.json` and is meant to run on every PR.
MCP server and Claude plugin for the freee API, enabling direct access to freee accounting, HR, invoicing, timesheet, and sales services. Features OAuth 2.0 + PKCE authentication and multi-company support.
Implements component-level tests using WidgetTester to verify Flutter UI rendering and user interactions like tapping, scrolling, and text entry, ensuring widgets display correct data and respond to events as expected.
Connects external applications and services through Composio's integration platform, enabling workflow automation across multiple third-party tools.
A collection of 255+ universal agentic skills for AI coding assistants including Claude Code, Gemini CLI, Codex CLI, Antigravity IDE, GitHub Copilot, and Cursor.
Code review plugin for Claude Code providing automated review workflows with Japanese language support, covering style, correctness, and security analysis.
Configures MaterialApp.router with go_router for advanced URL-based navigation in Flutter, enabling deep linking and browser history support for web and mobile apps.
Production-launch playbook covering a full pre-launch checklist (code quality, security, performance, accessibility, infra, docs), feature-flag-gated staged rollout (deploy off → team → 5% canary → 25/50/100), explicit rollout decision thresholds (error rate, p95 latency, client errors, business metrics), monitoring/observability setup, post-launch verification, and a written rollback plan. Use when preparing any production deploy, opening a beta, or migrating data/infrastructure.
Provides comprehensive guidance for implementing Ant Design ecosystem components, layouts, theming, and UI patterns in React applications with version 6.x.
Provides content modeling best practices for Sanity CMS, from the Sanity Agent Toolkit for AI agents building with Sanity across multiple editors and agents.
SEOJuice skill that diagnoses and fixes pages losing traffic through content refresh, consolidation, redirect, or retirement strategies.
Creates Flutter model classes with fromJson and toJson methods using dart:convert for manually mapping JSON keys to class properties, ideal for simple data structures.
A Go-specific agent skill that teaches AI agents idiomatic struct and interface design patterns for production-ready Golang codebases, reducing structural design errors by 35%.
A skill for removing the visible Gemini AI watermark from images using reverse alpha blending with a Python CLI tool and pre-captured watermark alpha maps.
A Go-specific agent skill that guides AI agents in implementing dependency injection patterns for production-ready Golang projects, reducing DI-related errors by 47%.
A curated collection of agent skill examples and references linking to official skills from Anthropic, OpenAI, and Vercel Labs for study and integration.
A multi-user todo application with authentication built for a hackathon, using Next.js 16, FastAPI, Neon PostgreSQL, SQLModel, and Better Auth with JWT tokens.
Convert `.hwp` (Hangul) documents to JSON, Markdown, or HTML, extract images, and run batch conversions, automatically routing between `@ohah/hwpjs` (default, macOS/Linux/CI) and `hwp-mcp` (Windows with the Hangul program installed when direct control is required). Handles the common case of needing Hangul/HWP document processing from AI agents.
Provides Tailwind CSS animation patterns and utility classes for implementing smooth, interactive web animations
A collection of 65 Claude Code skills and 9 workflows with progressive disclosure, covering full-stack development including context engineering and Atlassian integration.
A curated collection of awesome LLM applications with skills for building AI-powered apps, covering RAG, agents, and various use cases.
Configures Flutter Driver for app interaction and converts MCP actions into permanent integration tests using the integration_test package, enabling automated user flow testing.
Post-installation setup skill for k-skill that configures sops+age encryption, secrets management, and optional automation hooks.
A Go-specific agent skill that guides AI agents in building gRPC services using idiomatic Go patterns for production-ready projects, reducing gRPC implementation errors by 41%.