Open-source alternatives to Claude Code Plugin Template

MCP server that orchestrates language servers into agent-native workflows. 65 tools, 30 CI-verified languages.

Automatically updates terminal window titles based on Claude Code tasks—stop guessing which terminal is which.

Official skill collection for EmblemAI agents — 200+ crypto tools across 7 blockchains

Claude Code skill — generate cross-client HTML email with MJML. Outlook-safe, Gmail-optimized, WCAG 2.1 AA accessible.

A collection of Agent skills and Claude Code plugins for HashiCorp products.

Agent Skills lifecycle toolkit: mine repeated coding-agent workflows, audit and personalize skills, and generalize personal skills for public release.

Planning copilot for coding agents

Agent skills for AI-assisted Unity debugging — structured logging, runtime commands, variable watching, and more

This project is an AI agent workflow orchestrator and automated software lifecycle manager designed to sequence specialized AI personas for end-to-end software development. It serves as a prompt engineering library and a full-stack development toolkit that guides the process from initial discovery and specification through to deployment and code review. The system features a context management framework that utilizes progressive loading and routing tables to fetch reference files on-demand, reducing token consumption within the model context window. It employs a definition-based routing syste

A Claude Code plugin that turns natural language into blueprints, blueprints into parallel build plans, and build plans into working software with automated iteration, validation, and cross-model peer review.

Local-first TUI for AI coding-agent session history: trace cost, tokens, time, tool failures, latency, health, diffs, reports, and CI gates across local agent logs.

Superpowers is a browser-based game development engine and collaborative integrated development environment. It provides a unified workspace for building two-dimensional interactive experiences, allowing users to manage code, assets, and scene logic directly within a web browser without the need for local compilers or heavy desktop software. The platform distinguishes itself through a modular, component-based scripting architecture where game objects are defined by attached logic and visual properties. It supports real-time synchronization, enabling multiple developers to work on the same pro

一套 风格中性 的 UI/UX 咨询 Skill。它不是一个"特定审美的助手"，而是一个 耐心的访谈者：

A claude skill that generate test cases using N-wise test cases using the pypict library

Agent skills for Qdrant vector search: scaling, performance optimization, search quality, monitoring, deployment, model migration, version upgrades, and SDK usage across Python, TypeScript, Rust, Go, .NET, Java

Declarative agent config for Claude Code, Codex, and Cursor: an agent.json manifest for skills, MCP servers, and stack profiles, synced to each agent's native config, plus 29 hand-maintained skills.

Automated harness evolution for AI agents. A Claude Code plugin that iteratively optimizes system prompts, routing, retrieval, and orchestration code using full-trace counterfactual diagnosis. Based on Meta-Harness (Lee et al., 2026).

Collection of agent skills for AI coding assistants

Stop AI coding agents from shipping sloppy code. Structured workflows · Configurable rules · Quality gates · Any stack

Open-source self-hosted AI agent runtime and multi-agent framework for autonomous agent swarms. Agent memory, MCP tools, schedules, delegation, and 23+ LLM providers (Claude, GPT, Gemini, OpenRouter, Ollama). A practical Claude Code and LangChain alternative.

TestDino Playwright Skill: AI-powered guides for Playwright best practices, made by testdino.com.

Turn AI coding sessions into animated, interactive web replays

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Reusable skill for generating AWS architecture diagrams in draw.io format. Works with Kiro CLI and Claude Code.