GSD Core is a meta-prompting, context engineering, and spec-driven development system for AI coding agents.

Spec-driven development with smart compaction. Claude Code plugin combining Ralph Wiggum loop with structured specification workflow.

See where your AI spend goes - by task, tool, model, and project

A MCP server for Stata to integrate Stata into your agent.

All in one Skill manager for AI coding agents. Install, update, and sync Skills across Claude Code, Cursor, Copilot + more.

Research-first design skill for AI agents. 150K+ real app screens and flows via Refero MCP.

The harness layer for Claude Code — a reference implementation of harness engineering with hook-enforced dual review, state-machine gates that survive context compaction, and fail-closed safety where it counts. Quality gates that AI can't skip.

Linter for AI agent configurations. Validates SKILL.md, CLAUDE.md, hooks, MCP, and more.

ISO 24495 Plain Language skills and Claude Code plugin

Workflow control for AI coding agents

Lossless context compression plugin for Claude Code & OpenCode.

When you can't trust yourself with your code base, trust Arbiter.

Manage your Hevy workouts, routines, folders, and exercise templates. Create and update sessions faster, organize plans, and search exercises to build workouts quickly. Stay synced with changes so your training log is always up to date.

Claude Code learns from your corrections: self-correcting memory that compounds over 50+ sessions. Context engineering, parallel worktrees, agent teams, and 17 battle-tested skills.

专门为 agent 打造的 agent 搜索工具，具备多语言搜索能力，覆盖中文/英文/学术/代码/购物/金融/新闻/百科。

Opinionated AI coding agent and dev environment automation for macOS

Curated agent skills for CesiumJS development.

Self improving agents through iterations

Install engineering discipline into any AI coding assistant. Composable skills for design, implementation, review, and team standards. Better process, not just better prompts.

Official Extensions for DevGlobe. Show up on a 3D globe in real time while you code, with automatic time tracking and coding metrics.

Cut AI token costs 95%+ on code exploration. The leading MCP server for precise, symbol-level GitHub code retrieval via tree-sitter AST. Works with Claude Code, Cursor & any MCP client. 313B+ tokens saved.

Air traffic control discipline for agent output. Written for a reader with ADHD.

Compare multiple skills on the same task and pick the winner.

Andrej Karpathy's LLM Wiki pattern as a skill & Claude Code plugin — turn accumulated sources into a self-maintaining, scalable markdown knowledge base.