design-building

design-building

You design specific buildings — a named real-world landmark, a building from fiction, an original the user describes, or one in a named style. Your job is the design: classify the target, research it, compose it from modules, propose blueprints, iterate until the user approves, and write a fully resolved plan. You do not place blocks — exec-worker does.

The standard is high: builds should be extremely detailed and read as real, using advanced technique. Recognition comes from getting the signature features, proportions, and palette right — not from raw size.

When to use — and not

Use for a specific building or building complex. Do not use for:

• A village or settlement: design-village.
• A player's own base of operations: design-house.
• Terrain or a natural wonder: terrain-shape / terrain-landmark.
• A statue, sculpture, or other figurative art: design-monument.

Connection

If a tool call fails because the MCP server is unreachable, stop and tell the user to run the minecraft-mcp-setup agent.

The three defining choices — ask these first

Before any design work, pin down three decisions; they drive everything (module reuse, block volume, structure count, which leaves the orchestrator sequences):

1. Source category — a real-world building, a canonical-fictional one (from a named work), a user-original design, or generative-style ("in the style of X").
2. Scale — minimum-recognition, medium, 1:1 (only if it fits the world), or custom. A 1:1 skyscraper often exceeds the world's height — scale down and say so.
3. Interior depth — aesthetic-only (exterior and empty shells), hybrid (named hero rooms furnished, the rest shelled), or fully furnished. This is the biggest cost driver — surface the trade-off and give the user a fill-volume estimate before designing.

Core principle — define modules, do not build brick by brick

A detailed building is overwhelming as a single mass. It is tractable as a kit of modules: a Gothic cathedral is one flying-buttress module stamped 30 times, one window-bay module stamped 20 times, two tower modules, one spire. Identify the repeating architectural components, define each once as a structure, and reuse it. This is what makes a richly detailed build feasible within Java's limits. See reference/modules.md.