# get-member-type-schema

Gets the JSON Schema for a member type by Id. Returns a JSON Schema describing the structure for creating members of that type, including all property definitions and their value formats. IMPORTANT: Use this tool BEFORE creating members to understand the expected property structure for a specific member type.

Agent View of the PolicyLayer registry record for `get-member-type-schema`. HTML page: https://policylayer.com/tools/mcp-dev/get-member-type-schema

## Facts

- Tool: `get-member-type-schema`
- Server: Mcp Dev (`@umbraco-cms/mcp-dev`) — https://policylayer.com/tools/mcp-dev.md
- Install: `npx -y @umbraco-cms/mcp-dev`
- Homepage: git+https://github.com/umbraco/Umbraco-CMS-MCP-Dev.git
- Risk category: Read (Low risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Allowed

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get-member-type-schema",
    "arguments": {}
  }
}
```

## Why get-member-type-schema is rated Low

This tool retrieves and returns schema metadata for a member type without modifying, deleting, or executing any operations. It is purely informational, designed to help understand data structure before creation. There are no side effects, no code execution, no data modification, and no destructive operations. This is a classic Read operation.

From the tool's own definition: "Tool name 'get-member-type-schema' and description 'Gets the JSON Schema for a member type by Id' and 'Returns a JSON Schema describing the structure' indicate a retrieval operation with no side effects."

## Use case

AI agents call get-member-type-schema to retrieve information from Mcp Dev without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

## Recommended policy (PolicyLayer)

Verdict: **Allowed**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Mcp Dev:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "get-member-type-schema": {}
  }
}
```

## Other tools on Mcp Dev (418)

- `create-document-version-rollback` — Destructive — https://policylayer.com/tools/mcp-dev/create-document-version-rollback.md
- `delete-data-type` — Destructive — https://policylayer.com/tools/mcp-dev/delete-data-type.md
- `delete-data-type-folder` — Destructive — https://policylayer.com/tools/mcp-dev/delete-data-type-folder.md
- `delete-dictionary-item` — Destructive — https://policylayer.com/tools/mcp-dev/delete-dictionary-item.md
- `delete-document` — Destructive — https://policylayer.com/tools/mcp-dev/delete-document.md
- `delete-document-blueprint` — Destructive — https://policylayer.com/tools/mcp-dev/delete-document-blueprint.md
- `delete-document-blueprint-folder` — Destructive — https://policylayer.com/tools/mcp-dev/delete-document-blueprint-folder.md
- `delete-document-public-access` — Destructive — https://policylayer.com/tools/mcp-dev/delete-document-public-access.md
- `delete-document-recycle-bin-item` — Destructive — https://policylayer.com/tools/mcp-dev/delete-document-recycle-bin-item.md
- `delete-document-type` — Destructive — https://policylayer.com/tools/mcp-dev/delete-document-type.md
- `delete-document-type-folder` — Destructive — https://policylayer.com/tools/mcp-dev/delete-document-type-folder.md
- `delete-element` — Destructive — https://policylayer.com/tools/mcp-dev/delete-element.md
- `delete-element-folder` — Destructive — https://policylayer.com/tools/mcp-dev/delete-element-folder.md
- `delete-element-folder-from-recycle-bin` — Destructive — https://policylayer.com/tools/mcp-dev/delete-element-folder-from-recycle-bin.md
- `delete-element-from-recycle-bin` — Destructive — https://policylayer.com/tools/mcp-dev/delete-element-from-recycle-bin.md
- `delete-from-recycle-bin` — Destructive — https://policylayer.com/tools/mcp-dev/delete-from-recycle-bin.md
- `delete-language` — Destructive — https://policylayer.com/tools/mcp-dev/delete-language.md
- `delete-log-viewer-saved-search-by-name` — Destructive — https://policylayer.com/tools/mcp-dev/delete-log-viewer-saved-search-by-name.md
- `delete-media` — Destructive — https://policylayer.com/tools/mcp-dev/delete-media.md
- `delete-media-from-recycle-bin` — Destructive — https://policylayer.com/tools/mcp-dev/delete-media-from-recycle-bin.md
- `delete-media-recycle-bin-item` — Destructive — https://policylayer.com/tools/mcp-dev/delete-media-recycle-bin-item.md
- `delete-media-type` — Destructive — https://policylayer.com/tools/mcp-dev/delete-media-type.md
- `delete-media-type-folder` — Destructive — https://policylayer.com/tools/mcp-dev/delete-media-type-folder.md
- `delete-member` — Destructive — https://policylayer.com/tools/mcp-dev/delete-member.md
- `delete-member-group` — Destructive — https://policylayer.com/tools/mcp-dev/delete-member-group.md
- `delete-member-type` — Destructive — https://policylayer.com/tools/mcp-dev/delete-member-type.md
- `delete-partial-view` — Destructive — https://policylayer.com/tools/mcp-dev/delete-partial-view.md
- `delete-partial-view-folder` — Destructive — https://policylayer.com/tools/mcp-dev/delete-partial-view-folder.md
- `delete-redirect` — Destructive — https://policylayer.com/tools/mcp-dev/delete-redirect.md
- `delete-script` — Destructive — https://policylayer.com/tools/mcp-dev/delete-script.md
- …and 388 more: https://policylayer.com/tools/mcp-dev.md

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

---

Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=mcp-dev · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/mcp-dev