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Spine Agent Skill

by jeremylongshore

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

351 tokens
context cost
the whole folder, loaded on every use
1
files
instructions only
0
copies elsewhere
how many repositories repackaged it
2679
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.