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Ponytail: AI Agent Skills That Write 54% Less Code
A set of skills and lifecycle hooks for AI coding agents that adds a "laziness ladder" — before writing new code, the agent checks whether something already exists and only writes what's truly needed. Benchmarks show 54% less code, 20% lower cost, and 27% faster sessions.
Ponytail is an improved set of agent skills and lifecycle hooks by independent developer 0xwilliamortiz, compatible with Claude Code, Codex, Copilot CLI, OpenCode, and others. Before writing code, the agent works through a 7-step "laziness ladder": does this need to exist? Is it already in the repo? Does the stdlib do it? Does the platform do it? If any step passes, no new code is written. Measured on real sessions: 54% less code, 20% lower cost, 27% faster — with safety, validation, and error handling fully kept.
Why a vibe-coder should care
If your AI agent tends to over-engineer — building a custom cache class when a single line would do — Ponytail keeps it focused. Install once with a single command and every session starts leaner and cheaper.
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