GoodPrompts Library

Conventional Commits Hygiene

Rules for atomic commits with conventional-format messages, criteria for when to split a change, and rebase etiquette for shared branches.

Claude CodeAGENTS.md

React Component Library AGENTS.md

AGENTS.md for a React component library: composition-first APIs, prop naming rules, required Storybook stories, and accessibility checks that gate every new component.

Claude CodeCLAUDE.md

Modern Python Project Instructions (uv + ruff + pytest)

CLAUDE.md for Python projects managed with uv: dependency rules, ruff lint/format gates, pytest conventions, and a no-untyped-code policy agents can verify.

Refactor Without Behavior Change

Pin current behavior with characterization tests, then restructure in small always-green steps so the diff provably changes no behavior.

Claude CodeCLAUDE.md

Next.js 15 App Router Project Instructions

CLAUDE.md template for Next.js 15 App Router projects: server-component defaults, data-fetching rules, file layout, and the commands an agent should run before committing.

Cursor.cursorrules

FastAPI Project Rules

FastAPI conventions for Pydantic v2 schemas, Depends-based wiring, async discipline, and a predictable router layout.

Dependency Upgrade Protocol

Upgrade dependencies without surprises: changelogs before commands, one major at a time, lockfile diff review, and smoke tests per step.

Claude CodeCLAUDE.md

pnpm + Turborepo Monorepo Instructions

CLAUDE.md for a pnpm/Turborepo monorepo: package boundary rules, the task pipeline, affected-only builds, and how agents should add dependencies without breaking workspaces.

Profile Before Optimizing

A measurement-first optimization loop — profile under realistic load, fix exactly one hot spot, re-measure, and keep the numbers in the commit.

Claude CodeAGENTS.md

Open Source Maintainer AGENTS.md

AGENTS.md for maintaining an open source library: semver rules, changelog discipline, public API stability checks, deprecation policy, and issue triage labels.

Generic.md

Terraform and IaC Rules for Agents

Guardrails for agents touching Terraform: always plan before apply, module and state layout, what never to do to state files, and mandatory resource tagging.

Database Migration Safety

Ship schema changes without downtime using expand-contract: backwards-compatible steps, safe locking, and a rollback plan written before running anything.