# Materials MCP

> Use this tool when you need to access and query large materials databases, such as Google DeepMind's GNoME dataset, to retrieve predicted crystal structures and properties. The Materials MCP provides a standardized interface through the OPTIMADE API, solving problems related to materials discovery and research. It takes API queries as input and returns relevant materials data as output, ideal for use cases involving materials science and computational chemistry.

Canonical page: https://skillsregistry.net/skills/zuchguillotine-matmcp  
JSON: https://api.skillsregistry.net/v1/skills/zuchguillotine-matmcp

## Description

A Model Context Protocol server that provides access to materials databases through the OPTIMADE API, with focus on Google DeepMind's GNoME dataset containing millions of predicted crystal structures.

## Trust

- **Trust score (0–1):** 0.70
- **Verification tier:** verified
- **Last scanned:** 2026-09-02

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** database
- **Updated:** 2026-09-02

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/glt505lvs8)
- **Repository:** <https://github.com/ZuchGuillotine/MatMCP>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "zuchguillotine-matmcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/zuchguillotine-matmcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/zuchguillotine-matmcp/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt