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3DAssets.dev

Official registry Search and web

Search and download free CC0 GLB models and game packs, and submit new ones on a user behalf.

Source code Website Documentation

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http 3dassets-dev 'https://3dassets.dev/mcp' --header 'Authorization: <Optional. "Bearer <api key>" from https://3dassets.dev/account, needed only to submit models on the user behalf; search and download work without it.>'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "3dassets-dev": {
            "type": "http",
            "url": "https://3dassets.dev/mcp",
            "headers": {
                "Authorization": "<Optional. \"Bearer <api key>\" from https://3dassets.dev/account, needed only to submit models on the user behalf; search and download work without it.>"
            }
        }
    }
}
NPM package 3dassets-mcp
Claude Code 
claude mcp add 3dassets-dev -e 'THREEDASSETS_API_KEY=<your threedassets_api_key>' -- npx -y 3dassets-mcp@1.0.0
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "3dassets-dev": {
            "command": "npx",
            "args": [
                "-y",
                "3dassets-mcp@1.0.0"
            ],
            "env": {
                "THREEDASSETS_API_KEY": "<your threedassets_api_key>"
            }
        }
    }
}

Environment variables

  • THREEDASSETS_API_KEY secret Optional. The user API key from https://3dassets.dev/account, needed only to submit models on the user behalf.

Documentation

From the project's README on GitHub, refreshed weekly. Links open on GitHub.

Contents
  1. 3DAssets.dev for agents
  2. MCP server
  3. Skill
  4. REST API
  5. Discovery documents
  6. Licence

3DAssets.dev for agents

Free, web-optimised CC0 GLB models and game asset packs for three.js, React Three Fiber, Blender, Godot, Unity and any glTF-capable tool. This repository holds the machine-readable pieces of https://3dassets.dev in one place for directories and agent tooling that index GitHub:

  • SKILL.md: the agent skill, a copy of https://3dassets.dev/skill.md (kept in sync daily by a workflow)
  • bin/3dassets-mcp.js: the 3dassets-mcp npm package, a stdio bridge to the hosted server
  • .mcp.json: MCP client configuration for the hosted server
  • server.json: the official MCP Registry entry
  • llms-install.md: setup notes for agents that install from a README

The site, the API and the MCP server itself are hosted at 3dassets.dev, so the only code here is the thin stdio bridge; the catalogue is at https://3dassets.dev/assets.

MCP server

Two ways in. Hosted (Streamable HTTP) needs nothing installed; the npm package runs the same server over stdio for clients that only speak stdio or want a pinned dependency. Both expose the same tools.

# stdio, via npm (bridges to the hosted server; no local state)
npx -y 3dassets-mcp
{
  "mcpServers": {
    "3dassets": { "command": "npx", "args": ["-y", "3dassets-mcp"] }
  }
}

Set THREEDASSETS_API_KEY in the environment to submit models on the user's behalf; leave it unset for read-only use.

Hosted endpoint

Streamable HTTP endpoint: https://3dassets.dev/mcp. Search and download need no auth. Submitting models on a user's behalf takes their API key as a Bearer token; https://3dassets.dev/auth.md explains how an agent obtains one without the user ever handling a password.

# Claude Code
claude mcp add --transport http 3dassets https://3dassets.dev/mcp

# Codex CLI
codex mcp add 3dassets --url https://3dassets.dev/mcp

# VS Code
code --add-mcp '{"name":"3dassets","type":"http","url":"https://3dassets.dev/mcp"}'

Cursor, Windsurf or any mcp.json:

{
  "mcpServers": {
    "3dassets": { "url": "https://3dassets.dev/mcp" }
  }
}

Tools: search_assets, search_packs, get_pack, list_demos, get_demo, get_asset, get_asset_usage, list_categories, list_tags, list_licenses, list_ai_models, create_account, verify_account, submit_asset_from_url, get_upload_url, finalize_upload, my_assets, update_asset, submit_pack, my_packs. Full reference: https://3dassets.dev/docs/mcp.

Skill

npx skills add 3dassets-dev/3dassets

Or point any agent at https://3dassets.dev/skill.md directly. The skill uses plain HTTP, so it works without MCP.

REST API

Base https://3dassets.dev/api/v1, OpenAPI at https://3dassets.dev/api/v1/openapi.json, guide at https://3dassets.dev/docs/api. Every asset also has a Markdown view at https://3dassets.dev/assets/{slug}.md.

Discovery documents

Licence

Every asset on the site is CC0 1.0. The files in this repository are CC0 1.0 too.

Questions: hello@3dassets.dev

Frequently asked questions

What is 3DAssets.dev?

Search and download free CC0 GLB models and game packs, and submit new ones on a user behalf.

How do I install 3DAssets.dev?

It runs as a remote server. In Claude Code: claude mcp add --transport http 3dassets-dev 'https://3dassets.dev/mcp' --header 'Authorization: <Optional. "Bearer <api key>" from https://3dassets.dev/account, needed only to submit models on the user behalf; search and download work without it.>'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does 3DAssets.dev need an API key?

Yes. It expects THREEDASSETS_API_KEY, Authorization, which you set in its configuration.

Is 3DAssets.dev open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains 3DAssets.dev?

It is published by 3dassets-dev. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.