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Python Configuration

wshobson/agents

Solid foundation for externalizing Python app configuration using pydantic-settings and environment variables. Sets up typed configuration classes that validate at startup and fail fast with clear error messages when required values are missing. Covers the essentials: structured settings with sensible local defaults, secret management, environment-specific behavior, and type coercion for booleans and lists. The nested configuration pattern using double underscores is clean for organizing complex apps. Most importantly, it enforces the twelve-factor principle of keeping config separate from code so you can deploy the same codebase across environments without modification.

skills.sh installs
12K
GitHub stars
42.4K
last updated
Aug 21, 2026
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Install

$ npx -y skills add wshobson/agents --skill python-configuration --agent claude-code

Installs into .claude/skills of the current project.

Files

Python Configuration Management

Externalize configuration from code using environment variables and typed settings. Well-managed configuration enables the same code to run in any environment without modification.

When to Use This Skill

  • Setting up a new project's configuration system
  • Migrating from hardcoded values to environment variables
  • Implementing pydantic-settings for typed configuration
  • Managing secrets and sensitive values
  • Creating environment-specific settings (dev/staging/prod)
  • Validating configuration at application startup

Core Concepts

1. Externalized Configuration

All environment-specific values (URLs, secrets, feature flags) come from environment variables, not code.

2. Typed Settings

Parse and validate configuration into typed objects at startup, not scattered throughout code.

3. Fail Fast

Validate all required configuration at application boot. Missing config should crash immediately with a clear message.

4. Sensible Defaults

Provide reasonable defaults for local development while requiring explicit values for sensitive settings.

Quick Start

SKILL.md on GitHub

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Details

Repository
github.com/wshobson/agents
Category
Python

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