Announcing Sellier

I built a tool. It scaffolds a Claude Code agent harness into any project. A harness is the system that lets an AI coding agent produce correct, high-quality code consistently. It has four parts: Guidance — CLAUDE.md and rules in .claude/rules/ that shape what the agent writes. Guardrails — automated checks (lint, tests, build) the agent runs. Flywheel — review feedback updates a rule file. The next conversation starts smarter. Workflows — agents, commands, and skills under .claude/ that turn in