Make AI coding agents write the least code that works.
Ponytail is an MIT-licensed ruleset for AI coding agents that challenges every proposed change before code is added. It pushes agents to reuse existing code, prefer native APIs and dependencies, and keep implementations to the smallest necessary diff.
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Route every AI model through one open-source gateway.
Measure MCP server usage, failures, and workflow outcomes
Debug running services with read-only probes, without redeploying.
OpenAI's most capable model for complex end-to-end work
Build agentic and defensive workflows with Gemini 3.8