ponytail
View on GitHubMakes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote.
Ponytail is a cross-agent skill/plugin that makes coding agents apply a YAGNI ladder (skip, reuse, stdlib, native, one-liner) before writing code. Its benchmarks claim ~54% less code and ~20% lower cost on Claude Code sessions, while keeping validation, security, and accessibility intact. Ships Claude Code, Codex, Copi
Use Cases
Cut lines of code an AI agent writes per taskReduce agent token cost and latencyInstall a reusable YAGNI skill across 20+ coding agentsAudit codebase tech debt via slash commandsReview diffs for over-engineeringEnforce minimal-code rules on every agent promptBenchmark agent code output vs no-skill baselineAdd always-on coding rules to Claude Code, Codex, Cursor, Copilot
Built With
- Language
- JavaScript
- Frameworks
- Claude Code · Codex · Cursor · GitHub Copilot CLI · Gemini CLI · Antigravity CLI · OpenCode · Qoder · Pi
Tags
agent-skills · claude-code · claude-code-plugin · cursor-rules · prompt-engineering · yagni · developer-tools · llm · code-minimalism · agent-hooks · plugin-marketplace · code-review · cost-optimization · copilot · codex · gemini-cli