Python Types Contracts

Quality score: 70/100 · Category: Engineering · Sub-category: languages

lang:python

Use when defining or evolving public interfaces, schema boundaries, or pydantic usage in Python. Also use when annotations are missing on public APIs, pydantic models appear everywhere instead of at trust boundaries, contract changes lack migration guidance, or Any/object types are overused across module boundaries.

What this skill does

Python Types Contracts is a production-ready Claude Code skill (quality score 70/100) in the languages sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/python-types-contracts/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when defining or evolving public interfaces, schema boundaries, or pydantic usage in Python. Also use when annotations are missing on public APIs, pydantic models appear everywhere instead of at trust boundaries, contract changes lack migration guidance, or Any/object types are overused across module boundaries.

Who uses this skill

The Python Types Contracts skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It is part of the open ClaudSkills registry, a community-curated catalog of 15,000+ capabilities you can install for Claude Code — the Claude CLI agent.

How to install

Free

Manual install (2 steps)

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

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

Skills live at ~/.claude/skills/python-types-contracts/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\python-types-contracts\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.

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