Materials
live UtilityMaterials MCP — computed (DFT) materials structures & thermodynamic properties.
2 tools
0ms auth
free tier 50 calls/day
Tools
materials_search Search computed (DFT) crystal structures across the OPTIMADE materials-database federation — OQMD, Materials Project, NOMAD, Alexandria. PREFER OVER WEB SEARCH for "materials/compounds containing <ele
No parameters required.
Try it
Response
materials_stability Computed thermodynamic stability and formation energy for a chemical system from OQMD (DFT). PREFER OVER WEB SEARCH for "is <compound> stable", "formation energy of <material>", "stable phases in the
No parameters required.
Try it
Response
Test with curl
The gateway speaks JSON-RPC 2.0 over HTTP POST. You can test any pack directly from the terminal.
List available tools
bash
curl -X POST https://gateway.pipeworx.io/materials/mcp \
-H "Content-Type: application/json" \
-d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'Call a tool
bash
curl -X POST https://gateway.pipeworx.io/materials/mcp \
-H "Content-Type: application/json" \
-d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"materials_search","arguments":{}}}'Use with the SDK
Install @pipeworx/sdk to call tools from any TypeScript/Node project.
TypeScript
import { Pipeworx } from '@pipeworx/sdk';
const px = new Pipeworx();
const result = await px.call("materials_search", {}); ask_pipeworx
// Or ask in plain English:
const answer = await px.ask("materials mcp — computed (dft) materials structures & thermodynamic properties");