# get-document-type-children

Gets the children of a document type. Use get-all-document-types instead unless you specifically need only child level items for a specific folder.

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

## Facts

- Tool: `get-document-type-children`
- 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-document-type-children",
    "arguments": {}
  }
}
```

## Why get-document-type-children is rated Low

This tool retrieves hierarchical information about document types in Umbraco CMS. The verb 'gets' and the absence of any modification language (create, update, delete) clearly identify this as a Read operation. It queries existing data structure without altering state.

From the tool's own definition: "Tool name 'get-document-type-children' and description 'Gets the children of a document type' indicate a query/retrieval operation with no data modification or side effects."

## Use case

AI agents call get-document-type-children 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-document-type-children": {}
  }
}
```

## 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