3dprint-oracle
3D printing filament and materials knowledge MCP server. Gives LLMs authoritative access to 7,000+ filaments and curated material science knowledge.
Features
7,000+ filaments from SpoolmanDB (53 manufacturers, 33 material types)
Material science knowledge — properties, troubleshooting, recommendations
8 MCP tools — search, lookup, compare, recommend, diagnose
Embedded data — no API keys, no network calls at runtime
Installation
Claude Desktop
Add to your Claude Desktop config (~/Library/Application Support/Claude/claude_desktop_config.json):
{
"mcpServers": {
"3dprint-oracle": {
"command": "npx",
"args": ["-y", "3dprint-oracle"]
}
}
}Tools
Tool | Description |
| Search filaments by name, material, manufacturer, color |
| Get full specs for a specific filament |
| Browse manufacturers with filament counts |
| Browse material types with counts |
| Authoritative properties for a material type |
| Side-by-side comparison of 2-3 materials |
| Get ranked recommendations for your requirements |
| Troubleshoot print problems with material-specific fixes |
Data Sources
Filament data: SpoolmanDB (MIT license)
Material knowledge: Hand-curated from authoritative 3D printing references
License
MIT