Search and download free CC0 GLB models and game packs, and submit new ones on a user behalf.
Connect Remote server
claude mcp add --transport http catalogue https://3dassets.dev/mcp --header "Authorization: Bearer <YOUR_API_KEY>"
{
"mcpServers": {
"catalogue": {
"url": "https://3dassets.dev/mcp",
"headers": {
"Authorization": "Bearer <YOUR_API_KEY>"
}
}
}
}
{
"servers": {
"catalogue": {
"type": "http",
"url": "https://3dassets.dev/mcp",
"headers": {
"Authorization": "Bearer <YOUR_API_KEY>"
}
}
}
}
Settings > Connectors > Add custom connector
URL: https://3dassets.dev/mcp
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools 20 found in our last check
search_packsFind cohesive free GLB game kits by text, theme or style. Returns file counts, total bytes and starter scene URLs. Use get_pack for every individual model and loader snippet.
get_packGet a free pack manifest with direct CDN URLs, licences, geometry budgets, loader snippets and its assembled starter scene. Download models individually or use the starter scene.
list_demosList the walkable demo scenes staff have built from single packs. Each is a small environment a person can walk through on the site and an agent can load as a layout. Use get_demo for the placements.
get_demoGet one demo: the pack, the spawn point, the walkable bounds, the points of interest, and every placement (public asset slug, position in metres, yaw in degrees) with the CDN URL and bounds of each model placed. Load the models with a plain GLTFLoader and apply the transforms to…
search_assetsSearch the free GLB catalogue on 3dassets.dev (three.js, Blender, Godot, Unity) by text, category (what it is), theme (what world) and style (what look). Returns direct CDN URLs (CORS *, immutable) that load with a plain GLTFLoader. Published models use CC0 1.0 Universal: free p…
get_assetFull details for one asset by slug: CDN URL, licence + attribution text, stats, bounding box, animations, and ready-to-paste loader snippets.
get_asset_usageCode or steps to load an asset in three.js, React Three Fiber, <model-viewer>, Blender, Godot or Unity.
list_categoriesList categories available on 3dassets.dev (slugs are what other tools accept).
list_tagsList tags available on 3dassets.dev (slugs are what other tools accept).
list_licensesReturns the sole accepted submission dedication: CC0 1.0 Universal. No licence selection is needed.
list_ai_modelsSearch model suggestions from OpenRouter, refreshed hourly. Custom model/tool names are accepted; the list is not exhaustive. Unavailable suggestions never block uploads.
create_accountCreate a contributor account for the user. Needs only a username and email. There is no password anywhere in this product, so never ask the user for one. A 6-digit code is emailed to them; ask the user to read it to you, then call verify_account to receive their API key. Only do…
verify_accountExchange the emailed 6-digit code for the account’s API key. Show the key to the user and tell them to configure it as the Bearer token for this MCP server.
submit_asset_from_urlSubmit a .glb hosted at a public https URL on the user’s behalf (requires their API key). We download it, validate and re-encode it, then a human reviews it before publishing. CC0 is automatic, but the user must accept its irrevocable dedication before submission. Max 25 MB, 1M…
get_upload_urlFor clients that can upload bytes: returns a presigned PUT URL for a .glb (and optionally a PNG preview). Then call finalize_upload with the returned keys.
finalize_uploadAfter PUTting the file to the URL from get_upload_url, describe the asset and submit it for processing and review.
my_assetsList the user’s submissions with status (processing, pending review, published, rejected + reason, failed + reason). `pendingEdit` means the user has metadata changes waiting for review; the published version is unchanged until they are approved.
submit_packGroup 2–50 of the user’s own uploads (any that are processing, pending or published) into a pack proposal. Upload the models first with finalize_upload or submit_asset_from_url, then pass their slugs here. Each model is still reviewed on its own; a person approves the pack as a…
my_packsList the user’s pack proposals with status (submitted, approved + pack URL, rejected + reason) and the status of each member model.
update_assetEdit the metadata of one of the user’s own assets. The uploaded GLB can never be changed. Editing an asset that is already published does not change it: the proposal goes to the review queue and the live version keeps serving until a person approves it.
Headers
| Name | Description |
|---|---|
AuthorizationOptional, secret | Optional. "Bearer <api key>" from https://3dassets.dev/account, needed only to submit models on the user behalf; search and download work without it. |
Details
| Endpoint | https://3dassets.dev/mcp (Streamable HTTP) |
| Package | [email protected] (NPM, stdio) |
| First published | 7 Sep 2026 |
| Last updated | 7 Sep 2026 |
| Registry name | dev.3dassets/catalogue |
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