---
title: "ServerDescription"
description: "what the MCP server publishes: where the provider is, the proof method, the smallest scopes that work"
section: concepts
address: /concepts/serverdescription
contract: 0476e35e6e275db5
---

# ServerDescription

what the MCP server publishes: where the provider is, the proof method, the smallest scopes that work

[figure: ServerDescription is a value at none scope. The drawing shows its fields and the objects that they point at.]

| property | value |
|---|---|
| kind | value |
| scope | none |
| key | none |
| store | none |
| family | gateway |



## Fields


| field | type | required | note |
|---|---|---|---|
| `provider` | `address` | yes |  |
| `proof_method` | `text` | yes |  |
| `smallest_scopes` | [AccessScope](/concepts/accessscope) | yes |  |
| `families` | `[text]` | yes | the parts of the register, shown one at a time |
| `protocol_revision` | `date` | yes |  |



## Routes that use it
No route takes or returns ServerDescription directly. The record holds it, and the objects that point at it reach it.