Production Agent Engineering Pack (2026 Edition)

15 battle-tested files for Claude Code, Codex, Cursor, Windsurf, and Antigravity. If you haven't contributed yet, please complete the $5 supporter checkout on Stripe to help fund John's porcelain espresso cup.

Included Files in the Archive

• blueprints/typescript-node-vitest/AGENTS.md — Domain/adapter split, Zod boundary validation, AbortSignal & single-file Vitest loopBlueprint
• blueprints/nextjs-app-router/AGENTS.md — RSC leaf boundaries, Server Action auth/Zod invariants, cache invalidationBlueprint
• blueprints/python-uv-pytest-ruff/AGENTS.md — src-layout, uv lock hygiene, explicit timeouts & MockTransport testingBlueprint
• blueprints/fastapi-postgres/AGENTS.md — Unit-of-work commits, SELECT FOR UPDATE concurrency, expand-backfill migrationsBlueprint
• blueprints/go-service/AGENTS.md — Race detector loop, bounded goroutines, context propagation & LimitReader safetyBlueprint
• blueprints/rust-cargo-workspace/AGENTS.md — Zero library unwrap(), async mutex rules, clippy deny-warnings loopBlueprint
• blueprints/pnpm-turborepo-monorepo/AGENTS.md — Changed-package Turbo filters & cross-app import boundariesBlueprint
• blueprints/cli-for-ai-agents/AGENTS.md — Non-TTY fail-fast, --json stdout vs stderr separation, semantic exit codesBlueprint
• skills/root-cause-diagnose/SKILL.md — Reproduce → minimize → hypothesize → instrument → fix → regression testSkill
• skills/red-green-tdd/SKILL.md — Behavior-first Red-Green-Refactor loop without internal mock couplingSkill
• skills/dual-axis-pr-review/SKILL.md — Spec completeness vs security/concurrency diff review checklistSkill
• skills/deep-module-refactor/SKILL.md — Consolidating shallow pass-through wrappers into deep testable modulesSkill
• skills/agent-ergonomic-cli/SKILL.md — Retrofitting CLIs for deterministic agent executionSkill
• hooks/pre-commit — Executable Git hook blocking .env, private keys, API tokens, and 16-digit card numbersGit Hook