A Model Context Protocol server that exposes the ReliaQuest GreyMatter Self-Service GraphQL API to AI assistants. It provides 146 tools across 22 domains — Incidents, Tasks, Detections, Playbooks…
reliaquest-greymatter-mcp-server is an MCP project maintained in the space-c0wboy/reliaquest-greymatter-mcp-server repository. The maintainer describes its purpose as “A Model Context Protocol server that exposes the ReliaQuest GreyMatter Self-Service GraphQL API to AI assistants. It provides 146 tools across 22 domains — Incidents…”. Read the project documentation for the complete scope.
The project provides a local client configuration using greymatter-mcp. Follow the repository’s build and installation steps before copying it, and replace example paths with the paths on your own computer.
The example declares GREYMATTER_API_KEY, GREYMATTER_READ_ONLY. Secret-looking values have been replaced with placeholders. Required and optional labels are shown only when the documentation states them.
Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.
Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.
| Tool | What it does |
|---|---|
| Single | item queries (incident, task, case, user, …) take a by argument |
| Domain | Queries |
| Incidents | 3 |
| Tasks | 2 |
| Detections | 6 |
| Playbooks | 6 |
| Cases | 2 |
| Users | 2 |
| Assets | 1 |
| Customer | 2 |
| Identities | 1 |
| Indicators | 2 |
| Fields | 2 |
| Data | 2 |
| Utilities | 2 |
{
"mcpServers": {
"greymatter": {
"command": "greymatter-mcp",
"env": {
"GREYMATTER_API_KEY": "YOUR_GREYMATTER_API_KEY",
"GREYMATTER_READ_ONLY": "true"
}
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
| Variable | Description | Required |
|---|---|---|
| GREYMATTER_API_KEY | Declared in the maintainer’s client configuration. | Yes |
| GREYMATTER_READ_ONLY | Declared in the maintainer’s client configuration. | Optional |
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