Open-source alternatives to Claude Starter

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

GitHub template for creating Claude Code plugin marketplaces. Includes plugin scaffolding, validation commands, hooks, skills, agents, and CI/CD workflows. Ready-to-use toolkit for teams distributing Claude Code plugins.

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

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

Upload to social media skill

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