Build production-ready Node.js backend services with Express/Fastify, implementing middleware patterns, error handling, authentication, database integration, and API design best practices.
NewMaintained
Automatic
◆Coding pack
Last verified 8/29/2026
What it changes
Passed 3 of 22 test cases with the skill, and 3 of 22 without it.
Without skill14%
With skill14%
0 fixed3 passed either way19 still failing0 broke
Pass-rate lift
0 pp
Tokens
-2%
Agent turns
0%
Response time
-9%
Model gemini-3.6-flashMeasured 8/29/2026v13 of 22 cases passed with skill
Tokens, turns and time describe resource use, not a dollar price.
What's inside
The instructions your model reads when the skill loads.
SKILL.md35 linessingle file
Node.js Backend Patterns
Comprehensive guidance for building scalable, maintainable, and production-ready Node.js backend applications with modern frameworks, architectural patterns, and best practices.
Use this skill when
Building REST APIs or GraphQL servers
Creating microservices with Node.js
Implementing authentication and authorization
Designing scalable backend architectures
Setting up middleware and error handling
Integrating databases (SQL and NoSQL)
Building real-time applications with WebSockets
Implementing background job processing
Do not use this skill when
The task is unrelated to node.js backend patterns
You need a different domain or tool outside this scope
Instructions
Clarify goals, constraints, and required inputs.
Apply relevant best practices and validate outcomes.
Provide actionable steps and verification.
If detailed examples are required, open resources/implementation-playbook.md.
Resources
resources/implementation-playbook.md for detailed patterns and examples.