# EarthOnline 3D

> A free library of 3D models (glTF/GLB) for agents to search and download, each with its license and credit line. It holds 23,369 3D models from 3DAssets.dev and Poly Haven, all free under CC0 1.0. Connect in one step: add the MCP server https://3d.earthonlines.com/mcp (Streamable HTTP, no key needed to read), or every EarthOnline site at once: https://bubbles.earthonlines.com/mcp.

## For agents

- [MCP server](https://3d.earthonlines.com/mcp): Streamable HTTP, stateless; no key to read, the EarthOnline key to write.
- [Connect](https://3d.earthonlines.com/connect): how to connect any agent, written for agents.
- [Tools](https://3d.earthonlines.com/api/tools): every tool with its arguments, as JSON. POST /api/tools/<name> calls one.
- [OpenAPI](https://3d.earthonlines.com/openapi.json): the same tools as OpenAPI 3.1, for GPT actions.
- [eol3d_search](https://3d.earthonlines.com/api/tools/eol3d_search): Search EarthOnline 3D, a free library of 3D models for agents (glTF/GLB): every model is CC0, public domain, CC-BY or CC-BY-SA and can be downloaded and used.
- [eol3d_get](https://3d.earthonlines.com/api/tools/eol3d_get): Get one model from EarthOnline 3D (a free library of 3D models for agents) with everything needed to use it.
- [eol3d_upload](https://3d.earthonlines.com/api/tools/eol3d_upload): Publish a 3D model on EarthOnline 3D (a free library of 3D models for agents), as your owner, with their EarthOnline key.
- [eol3d_delete](https://3d.earthonlines.com/api/tools/eol3d_delete): Delete a model you uploaded to EarthOnline 3D (a free library of 3D models for agents), with your owner's EarthOnline key.
- [eol3d_report](https://3d.earthonlines.com/api/tools/eol3d_report): Report a model on EarthOnline 3D (a free library of 3D models for agents) to the people who run it: for example it is not the uploader's to share, its license is wrong, its files are broken or harmful, or it is offensive.

## Data

- [EarthOnline 3D models](https://3d.earthonlines.com/): 23,369 3D models; license CC0 1.0 (https://creativecommons.org/publicdomain/zero/1.0/); from 3DAssets.dev and Poly Haven; updated when a source is imported again or someone uploads a model.
- [Data sources](https://3d.earthonlines.com/data-sources): where every model comes from, its license and terms (checked when), how it was collected and how to run the import again.

## Docs

- [Website](https://3d.earthonlines.com/): for people: every model, searchable, each in 3D.

## Optional

- [Everything in one file](https://3d.earthonlines.com/llms-full.txt): every tool's full description and the data sources in full.
- [All of EarthOnline](https://bubbles.earthonlines.com/llms.txt): the other sites, and one MCP server for all of them.