arcs

Harness-native ECC plugin for engineering teams - 67 agents, 271 skills, 92 legacy command shims, reusable hooks, rules, MCP conventions, and operator workflows for Claude Code plus adjacent agent harnesses

Claude harness - A harness for solo developers (Vibecoders) to handle full-cycle contract development.

Core skills library for Claude Code: TDD, debugging, collaboration patterns, and proven techniques

Reliable automation, in-depth debugging, and performance analysis in Chrome using Chrome DevTools and Puppeteer

Superpowers Plus core skills library for Claude Code: planning, execution routing, TDD, debugging, and collaboration workflows

Intelligent prompt optimization: injects the right context at the right moment so Claude lands a better first output. Clarifies vague prompts with research-based questions, plus targeted nudges for approach selection, plan readability, workflow routing, background execution, subagent routing, output readability, user-decision questions, and plan-mode assessment