# batch_update_properties_tool

A write tool on the Obsidian MCP Server MCP server.

Agent View of the PolicyLayer registry record for `batch_update_properties_tool`. HTML page: https://policylayer.com/tools/adrienthebo-obsidian-mcp/batch-update-properties-tool

## Facts

- Tool: `batch_update_properties_tool`
- Server: Obsidian MCP Server (`adrienthebo/obsidian-mcp`) — https://policylayer.com/tools/adrienthebo-obsidian-mcp.md
- Homepage: https://github.com/adrienthebo/obsidian-mcp
- Risk category: Write (Medium risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Rate-limited

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

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "batch_update_properties_tool",
    "arguments": {}
  }
}
```

## Why batch_update_properties_tool is rated Medium

The tool performs batch updates to note properties, which are reversible modifications to data (Write category). Severity is high because batch operations at scale can affect many notes simultaneously, creating significant blast radius if misused by an AI agent (e.g., corrupting metadata across numerous vault files).

From the tool's own definition: "Tool name 'batch_update_properties_tool' indicates batch modification of note properties. Combined with sibling tools like 'edit_note_section_tool' and 'create_note_tool' on an Obsidian vault system that provides 'direct filesystem access for reading,…"

Risk signals: Bulk/mass operation — affects multiple targets

## Use case

AI agents use batch_update_properties_tool to create or update resources in Obsidian MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Obsidian MCP Server environment.

## Recommended policy (PolicyLayer)

Verdict: **Rate-limited**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Obsidian MCP Server:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "batch_update_properties_tool": {
      "limits": [
        {
          "counter": "batch_update_properties_tool_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}
```

## Other tools on Obsidian MCP Server (26)

- `delete_note_tool` — Destructive — https://policylayer.com/tools/adrienthebo-obsidian-mcp/delete-note-tool.md
- `find_broken_links_tool` — Read — https://policylayer.com/tools/adrienthebo-obsidian-mcp/find-broken-links-tool.md
- `find_orphaned_notes_tool` — Read — https://policylayer.com/tools/adrienthebo-obsidian-mcp/find-orphaned-notes-tool.md
- `get_backlinks_tool` — Read — https://policylayer.com/tools/adrienthebo-obsidian-mcp/get-backlinks-tool.md
- `get_note_info_tool` — Read — https://policylayer.com/tools/adrienthebo-obsidian-mcp/get-note-info-tool.md
- `get_outgoing_links_tool` — Read — https://policylayer.com/tools/adrienthebo-obsidian-mcp/get-outgoing-links-tool.md
- `list_folders_tool` — Read — https://policylayer.com/tools/adrienthebo-obsidian-mcp/list-folders-tool.md
- `list_notes_tool` — Read — https://policylayer.com/tools/adrienthebo-obsidian-mcp/list-notes-tool.md
- `list_tags_tool` — Read — https://policylayer.com/tools/adrienthebo-obsidian-mcp/list-tags-tool.md
- `read_image_tool` — Read — https://policylayer.com/tools/adrienthebo-obsidian-mcp/read-image-tool.md
- `read_note_tool` — Read — https://policylayer.com/tools/adrienthebo-obsidian-mcp/read-note-tool.md
- `search_by_date_tool` — Read — https://policylayer.com/tools/adrienthebo-obsidian-mcp/search-by-date-tool.md
- `search_by_property_tool` — Read — https://policylayer.com/tools/adrienthebo-obsidian-mcp/search-by-property-tool.md
- `search_by_regex_tool` — Read — https://policylayer.com/tools/adrienthebo-obsidian-mcp/search-by-regex-tool.md
- `search_notes_tool` — Read — https://policylayer.com/tools/adrienthebo-obsidian-mcp/search-notes-tool.md
- `view_note_images_tool` — Read — https://policylayer.com/tools/adrienthebo-obsidian-mcp/view-note-images-tool.md
- `add_tags_tool` — Write — https://policylayer.com/tools/adrienthebo-obsidian-mcp/add-tags-tool.md
- `create_folder_tool` — Write — https://policylayer.com/tools/adrienthebo-obsidian-mcp/create-folder-tool.md
- `create_note_tool` — Write — https://policylayer.com/tools/adrienthebo-obsidian-mcp/create-note-tool.md
- `edit_note_section_tool` — Write — https://policylayer.com/tools/adrienthebo-obsidian-mcp/edit-note-section-tool.md
- `move_folder_tool` — Write — https://policylayer.com/tools/adrienthebo-obsidian-mcp/move-folder-tool.md
- `move_note_tool` — Write — https://policylayer.com/tools/adrienthebo-obsidian-mcp/move-note-tool.md
- `remove_tags_tool` — Write — https://policylayer.com/tools/adrienthebo-obsidian-mcp/remove-tags-tool.md
- `rename_note_tool` — Write — https://policylayer.com/tools/adrienthebo-obsidian-mcp/rename-note-tool.md
- `update_note_tool` — Write — https://policylayer.com/tools/adrienthebo-obsidian-mcp/update-note-tool.md
- `update_tags_tool` — Write — https://policylayer.com/tools/adrienthebo-obsidian-mcp/update-tags-tool.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=adrienthebo-obsidian-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/adrienthebo-obsidian-mcp