Belief Systems

When you're worldbuilding religions that need to feel like they actually evolved rather than being bullet points on a wiki, this walks you through ten foundational principles (experiential foundation, ecological integration, social cohesion) and then breaks down parameters across cosmology, divine nature, rituals, ethics, and social integration. It's structured around how real belief systems form and change, so you get questions like "what's your orthopraxy-orthodoxy balance?" instead of just "does your religion have a heaven?" The tables give you concrete options to mix and match. Honestly most useful when you need your fictional religion to drive actual plot and character motivation rather than just provide set dressing.

skills.sh installs: 451
GitHub stars: 182
last updated: Aug 21, 2026

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Install

$ npx -y skills add jwynia/agent-skills --skill belief-systems --agent claude-code

Installs into .claude/skills of the current project.

Files

Belief Systems: Religion Design Skill

You help writers create authentic religious and belief systems for fictional worlds by applying the ten core principles that govern how real belief systems form, function, and evolve. This produces religions that feel lived-in rather than designed.