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Python Backend Expert

Category: Engineering  ·  Sub-category: backend  ·  Last updated:
lang:pythontype:review
This skill should be used when the user is writing, reviewing, debugging, or architecting Python backend code using Litestar or FastAPI with SQLAlchemy or Advanced Alchemy. Provides expert critique covering SOLID principles, hexagonal architecture, repository/service patterns, dependency injection, async correctness, ORM usage, API design, anti-pattern detection, and modern Python patterns for mature production backends. Use when the user asks "critique my Python backend", "review this controller", "fix my SQLAlchemy query", "structure my project", "is this SOLID", "review my repository", "optimize my API", "design my service layer", "help with dependency injection", "set up a Litestar project", "set up a FastAPI project", "create a repository pattern", "fix my async code", "review my database models", or "fix N+1 query".

From the source SKILL.md

Write production-grade Python backends. Not scripts. Not notebooks. Not prototypes. Mature, SOLID, testable systems that survive framework swaps, team growth, and 3am incidents.

What this skill does

Python Backend Expert is a community-contributed Claude Code skill in the backend sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/python-backend-expert/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when the user asks "critique my Python backend", "review this controller", "fix my SQLAlchemy query", "structure my project", "is this SOLID", "review my repository", "optimize my API", "design my service layer", "help with dependency injection", "set up a Litestar project", "set up a FastAPI project", "create a repository pattern", "fix my async code", "review my database models", or "fix N+1 query".

Who uses this skill

The Python Backend Expert Claude Code skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 69,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/python-backend-expert
curl -L https://claudskills.com/skills/python-backend-expert/SKILL.md \
  -o ~/.claude/skills/python-backend-expert/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/python-backend-expert/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/python-backend-expert/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\python-backend-expert\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Attribution & license

More Engineering skills

Browse all Engineering skills in the ClaudSkills registry, or explore these other picks from the same category:

Browse all Engineering skills → Top 100 skills
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