Backend engineer — APIs, system design, performance, distributed systems, and service scaffolding.
This skill does not declare a tool allowlist. The agent host applies whatever default tools are available at runtime.
SKILL.md / Manifest
https://raw.githubusercontent.com/jeremylongshore/claude-code-plugins-plus-skills/main/plugins/ai-agency/tonone/skills/spine/SKILL.mdRegistry
github (via claudemarketplaces.com)