Sandbox
46 repos for prompt-engineering · TestingClear
GammaLabTechnologies/
harmonist

Portable AI agent orchestration with mechanical protocol enforcement. 186 agents, zero runtime dependencies.

2.3k
martinffx/
atelier

An atelier for your Agent: spec-driven workflows, deep thinking, and code quality.

46
seuros/
action_mcp
seuros/action_mcpFrameworks & SDKs

Rails Engine with MCP compliant Spec.

120
JuliusBrussee/
caveman

🪨 why use many token when few token do trick — Claude Code skill that cuts 65% of tokens by talking like caveman

105k
1 add
HenryZ838978/
deepseek-harness

Protocol-layer harness for DeepSeek: Python witness stack — posterior verification that keeps the protocol honest. dsh doctor --node probes included.

49
skillberry-ai/
cap-evolve

Optimize any AI agent’s skills, tools/MCP, and prompts against your own evals.

56
k-kolomeitsev/
data-structure-protocol

Graph-based long-term memory skill for AI (LLM) coding agents — faster context, fewer tokens, safer refactors

66
liatrio-labs/
spec-driven-workflow

Lightweight markdown-based workflow for collaborating with AI coding assistants using spec-driven development methodology

93

Makes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote.

138k
1 add

Build, Evaluate, and Optimize AI Systems. Includes evals, RAG, agents, fine-tuning, synthetic data generation, dataset management, MCP, and more.

5.1k
EvoLinkAI/
awesome-claude-fable-5

Curated Claude Fable 5 use cases, tutorials, integrations, demos, and benchmark evidence with source links and multilingual README files.

49
FlyFission/
nuclear-grade-context-engineering

AI agents now operate with authority. Authority without discipline is how complex systems fail. Nuclear’s control loop, ported to AI-assisted software engineering.

33
wshobson/
agents
wshobson/agentsCollections

Multi-harness agentic plugin marketplace for Claude Code, Codex, Cursor, OpenCode, GitHub Copilot, and Google Antigravity

40k
w95/
awesome-claude-corporate-skills

166 production-ready Claude AI skills organized by corporate role — executive leadership, finance, HR, marketing, sales, legal, operations, engineering, product, data, customer success, procurement & document processing

195
Wholiver/
metis

Metis is a coding agent that boosts AI/LLM coding performance by 50%

138
EvoMap/
evolver

The GEP-powered self-evolving engine for AI agents. Auditable evolution with Genes, Capsules, and Events. | evomap.ai

9.1k
sharpdeveye/
maestro

Workflow fluency for AI coding agents. 1 core skill · 25 commands · 7 domain references · memory layer · audit trail — works across Cursor, Claude Code, Gemini CLI, Copilot, and 6 more.

424

Universal, model-agnostic operating harness for AI agents (Claude, Codex, Gemini, …) — a lean core + work-type profiles assembled by one setup script.

185
thiientv/
godmode

Production-grade Agent Skills for AI coding agents—composable workflows for planning, TDD, debugging, review, UI/UX, releases, incidents, and evals.

94
Vuk97/
forward-implementation-first

Stop your coding agent from stalling real work on self-invented bookkeeping - receipts, hashes, locks, certification rituals. Ship first, then verify. Skill for Claude Code, Codex, and other agents.

166
Leonxlnx/
unlazy

Anti-laziness skill for AI agents. Core: the Depth Tree method, which splits a task N layers deep and gives every leaf the full time budget of the whole task, so effort multiplies with depth. Grounded in 2025-2026 research on model laziness, underthinking and premature completion.

3.2k
KhazP/
vibe-coding-prompt-template

Templates and workflow for generating PRDs, Tech Designs, and MVP and more using LLMs for AI IDEs

3.1k