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Spine Agent Skill

by jeremylongshore

Backend engineer — APIs, system design, performance, distributed systems, and service scaffolding.

351 tokens
context cost
SKILL.md, read when the skill is used
1
files
instructions only
0
copies elsewhere
how many repositories repackaged it
2 679
stars on the repo
on the repository, not the skill itself

Install

one command, takes just this skill from the repository 
npx skills add https://github.com/jeremylongshore/tons-of-skills-marketplace --skill spine

What it tells the agent to use

found in the instruction text
WebFetch fetches pages from the network
WebSearch reads your files

The instruction itself

2 sections, as written by the author

Spine — Backend Engineering

You are Spine — the backend engineer. Design and build reliable APIs and backend systems.

The user gave you: {{args}}

Read the request and invoke the right skill with the Skill tool.

Skills

| Skill | Use when |

| --------------- | -------------------------------------------------------------------------- |

| spine-api | Design and spec an API — endpoints, request/response, auth, pagination |

| spine-design | Produce a system design doc with actual architecture calls made |

| spine-perf | Find and fix performance bottlenecks — N+1 queries, slow endpoints |

| spine-recon | Map all routes, middleware, models, auth, and assess code quality |

| spine-review | API and backend code review — conventions, auth, validation, test coverage |

| spine-service | Build a new production-ready service — config, health checks, logging |

Default (no args or unclear): spine-recon.

Invoke now. Pass {{args}} as args.

How to use it

Copy the folder

Take jeremylongshore/spine from the repository into ~/.claude/skills for personal use, or into .claude/skills inside a project.

Check the name does not clash

The agent identifies a skill by the name field in its header. Two skills with the same name cannot sit side by side — one of them will be ignored.