Free library

Useful first. Paid only when you need more depth.

Downloadable engineering checklists and prompts. No signup required.

mcp

MCP Server Connection Quick Checklist

Free

Layer-by-layer checks for startup, initialization, discovery, and execution failures.

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ai-code-review

AI Code Review Quick Checklist

Free

A compact pre-merge checklist for reviewing AI-assisted code without inventing findings.

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testing

Playwright Test Quality Checklist

Free

A quick checklist for reliable, maintainable Playwright end-to-end tests.

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shipping

Pre-Merge Ship Checklist

Free

A short ship gate for correctness, tests, data, observability, deployment, and rollback.

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backend

API Review Checklist

Free

A practical API review sheet covering contracts, validation, auth, failure behavior, and compatibility.

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data

PostgreSQL Query Review Checklist

Free

A compact review checklist for Postgres queries, indexes, migrations, and production safety.

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frontend

React Pull Request Review Checklist

Free

A lightweight React PR checklist focused on regressions, state, effects, rendering, accessibility, and tests.

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devops

CI Failure Triage Checklist

Free

A deterministic checklist for separating real regressions from environment, dependency, and flaky-test failures.

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devops

Docker Debugging Checklist

Free

A fast checklist for container build, runtime, networking, volume, permission, and environment failures.

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operations

Software Incident Response Quick Sheet

Free

A compact engineering incident sheet for containment, evidence, communication, mitigation, and follow-up.

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productivity

Codebase Onboarding Prompt

Free

A reusable AI prompt for mapping an unfamiliar repository before changing code.

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agent-workflows

CLAUDE.md / AGENTS.md Quality Checklist

Free

A free checklist for instruction files that keep coding agents on-scope, testable, and predictable.

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agent-workflows

AI Coding Agent Task Brief Template

Free

A fill-in task brief for delegating one coding task with scope, evidence, checks, and stop conditions.

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agent-workflows

AI Coding Agent Done Criteria Checklist

Free

A compact done-definition for AI coding tasks so agents stop with evidence instead of confidence theater.

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