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Kiln

Build and revise procedural 3D assets with your coding agent. Local MCP server, CLI and TypeScript engine with rendered review, editable source and GLB export.

Install: npm install @instruktlabs/kiln

Install

$npm install @instruktlabs/kiln

Install command taken from the project's README or registry entry. Always review code before running it.

Kiln

Build and revise 3D assets with your coding agent.

Your agent writes JavaScript using Kiln's geometry and material helpers. Kiln runs the program, returns rendered views and structural checks, and exports a GLB. Keep the editable source to refine the asset later.

Kiln runs locally through MCP, the CLI or a JavaScript/TypeScript SDK. It is free, open source and account-free. Your coding agent supplies the model; Kiln's tools do not require a separate model API key.

Documentation · Gallery · Interactive scenes · Changelog

Community and hosted access

Join the Kiln Discord to share assets, get help, and request hosted access. Hosted Kiln is open as a free, invite-only introductory service, with ten accounts sharing an allowance of 200 native requests per month. Ask in #request-access or message matt_941; individual Kiln codes are sent privately as capacity allows. Joining Discord does not automatically grant hosted access. Local Kiln remains free, open source and account-free.

Cabin in the Woods: the cabin and woodland Inside the cabin
The cabin and woodland with a warm porch light Furnished cabin interior and burning fireplace

Cabin in the Woods: PSX Horror includes 53 editable assets and a playable cabin and woodland scene.

Troy: the city and fleet Achilles and Hector at the gates
Troy's walled city, army formations and fleet along the coast Achilles and Hector outside Troy's gate, with army formations behind them
Farm Golden Gate
Explore the Farm scene Golden Gate over the water
Foundry Floor: the campus Inside the fab
Foundry campus exterior Container transport inside the Foundry Floor

Play Troy, explore the Farm, drive across Golden Gate, or walk the Foundry Floor. The scenes combine Kiln assets with application code; their source and asset packs are available separately.

Six reusable vehicles, shown with the gallery's live body-paint controls:

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