world-builder

Overview of world-builder skill

world-builder is a design-focused skill for creating and managing generative game zones in Dorothy’s Pokemon-style overworld. Use the world-builder skill when you need a zone that does more than describe a theme: it should express that theme through layout, terrain, NPC placement, pacing, and mood. It is best for readers who are building content through MCP tools and want a repeatable way to turn a rough prompt into a playable map concept.

The main job-to-be-done is fast zone generation with strong thematic fit. That matters most when you need a map that feels intentional rather than generic, such as a ruin, town, maze, island, or event area. The world-builder guide is especially useful for Design Implementation work because it turns abstract ideas into concrete spatial decisions.

What world-builder is good for

It helps you create zones that are visually and structurally distinct, not just reskinned copies of the same layout. The skill emphasizes mood-matching, geography that reflects the prompt, and world spaces that can be used directly in-game.

Where it fits best

Use world-builder when the source input is a theme, premise, location idea, or external data you want translated into a zone. It is a strong fit if your workflow already uses MCP tools and you want consistent creative direction without writing every map from scratch.

What makes it different

The skill is opinionated about world shape: the theme should drive the map, not follow it. That makes world-builder more useful than a generic “make me a map” prompt when you care about atmosphere, spatial logic, and replayable variety.

How to Use world-builder skill

Install and load the skill

Run the world-builder install step in your skills workflow, then open skills/world-builder/SKILL.md first. In this repo, there are no helper folders to scout, so the core guidance lives in that single file. If your platform exposes the skill by name, refer to it as world-builder and keep the prompt tied to a specific zone request.

Turn a rough idea into a usable prompt

The skill works best when you give it a clear theme plus constraints. Good inputs include the zone’s mood, setting type, intended gameplay feel, and any must-have objects or NPC traits. For example, “a haunted transit hub with tight corridors, one safe platform, and uneasy NPCs” is much better than “make something spooky.” That kind of input improves world-builder usage because it gives the model enough structure to shape layout and ambience.

Read the parts that affect output

Start with the sections that define creative rules, available MCP tools, and tile guidance. In practice, the highest-value reading path is:

1. SKILL.md for the design rules and tool intent
2. the sections on core philosophy and tool list
3. any tile or terrain guidance before generating your first zone

Those parts tell you what the skill optimizes for and what kinds of map decisions it expects you to make.

Use a workflow that preserves the theme

A good world-builder guide workflow is: pick the theme, define the emotional tone, list the spatial constraints, then generate the zone. If the first draft feels flat, refine the prompt with one stronger environmental cue and one stronger gameplay cue rather than rewriting everything. For Design Implementation, this usually produces better results than asking for broad creative freedom.

world-builder skill FAQ

Is world-builder only for game maps?

Mostly yes. The skill is centered on Dorothy’s overworld zones and map-like spaces. If you need pure lore writing, character dialogue, or general brainstorming, a different skill or a plain prompt may be a better fit.

Do I need to be an expert to use it?

No. The skill is beginner-friendly if you can describe a theme clearly. What you do need is enough specificity to avoid vague output. The more precise your zone brief, the more useful the result.

How is this different from a normal prompt?

A normal prompt can generate a scene description, but world-builder is meant to produce implementation-ready zone thinking. It is more useful when you want consistent spatial logic, mood alignment, and output that can be acted on through MCP tools instead of just read.

When should I not use world-builder?

Do not use it if your goal is a broad narrative essay, a one-off image prompt, or a design task with no map or zone component. It is also a weaker fit if you cannot supply even a basic theme, since the skill depends on directional input.

How to Improve world-builder skill

Give the skill better theme signals

The strongest world-builder results come from inputs that name both subject and feeling. “Abandoned festival after a power outage” is better than “festival area” because it tells the skill what should be visible, how the space should flow, and what mood to reinforce.

Add constraints that change the map

If you want higher-quality output, specify at least one spatial constraint and one gameplay constraint. Examples: “single entrance,” “water barrier,” “narrow looping path,” “safe hub in the center,” or “one visual landmark visible from most tiles.” These details help the world-builder skill avoid bland symmetry and make the zone feel playable.

Watch for common failure modes

The most common problem is overgeneralized geography: a theme gets described but not embodied. Another is too much decorative detail without a usable layout. If that happens, re-prompt with a clearer zone shape, stronger terrain expectations, and a note about how the player should move through the space.

Iterate after the first draft

After the first output, improve world-builder by tightening one element at a time: layout, terrain, NPC behavior, or landmark placement. For world-builder for Design Implementation, this is usually the fastest way to get from a promising concept to a zone you can actually build or review.