# updateCalendarEvent Update an existing calendar event Agent View of the PolicyLayer registry record for `updateCalendarEvent`. HTML page: https://policylayer.com/tools/ark7-google-drive-mcp/updatecalendarevent ## Facts - Tool: `updateCalendarEvent` - Server: Google Drive (`@ark7/google-drive-mcp`) — https://policylayer.com/tools/ark7-google-drive-mcp.md - Install: `npx -y @ark7/google-drive-mcp` - Homepage: https://www.npmjs.com/package/@ark7/google-drive-mcp - Risk category: Write (Medium risk) - Registry record: grade F, identity unverified - Server rate-limited: no - Parameters: 11 (1 required) - Recommended policy verdict: Rate-limited ## Parameters | Parameter | Type | Required | Description | | --- | --- | --- | --- | | `end` | object | no | | | `start` | object | no | | | `account` | string | no | Alias of the Google account to target. Optional — defaults to the session/global default account, or the sole authenticated account. Run manage_accounts list to | | `eventId` | string | yes | The event ID to update | | `summary` | string | no | New event title | | `location` | string | no | New event location | | `attendees` | array | no | Updated attendee emails (replaces existing) | | `calendarId` | string | no | Calendar ID (default: primary) | | `attachments` | array | no | File attachments (max 25). Replaces existing attachments; pass an empty array to remove all, or omit to keep them. For Drive files use the file's share URL as f | | `description` | string | no | New event description | | `sendUpdates` | string | no | Send notifications (default: none) | Parameters from the server's own tool schema. ## Example call (MCP tools/call, JSON-RPC 2.0) ```json { "jsonrpc": "2.0", "id": 1, "method": "tools/call", "params": { "name": "updateCalendarEvent", "arguments": { "eventId": "" } } } ``` ## Why updateCalendarEvent is rated Medium This tool modifies calendar event data but does not delete it or trigger external financial transactions. The operation is reversible (the previous state can be restored). While calendar events may have business implications, the tool itself only modifies metadata and scheduling information without committing financial obligations or triggering irreversible destructive actions. From the tool's own definition: "Tool name 'updateCalendarEvent' and description 'Update an existing calendar event' indicate modification of existing calendar data. The verb 'update' is characteristic of Write operations that create or modify data reversibly." Risk signals: High parameter count (20 properties) ## Use case AI agents use updateCalendarEvent to create or update resources in Google Drive, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Google Drive environment. ## Recommended policy (PolicyLayer) Verdict: **Rate-limited**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Google Drive: ```json { "version": "1", "default": "deny", "tools": { "updateCalendarEvent": { "limits": [ { "counter": "updatecalendarevent_rate", "window": "minute", "max": 30, "scope": "grant" } ] } } } ``` ## Other tools on Google Drive (130) - `deleteCalendarEvent` — Destructive — https://policylayer.com/tools/ark7-google-drive-mcp/deletecalendarevent.md - `deleteComment` — Destructive — https://policylayer.com/tools/ark7-google-drive-mcp/deletecomment.md - `deleteDimensionGroup` — Destructive — https://policylayer.com/tools/ark7-google-drive-mcp/deletedimensiongroup.md - `deleteGoogleSlide` — Destructive — https://policylayer.com/tools/ark7-google-drive-mcp/deletegoogleslide.md - `deleteItem` — Destructive — https://policylayer.com/tools/ark7-google-drive-mcp/deleteitem.md - `deleteRange` — Destructive — https://policylayer.com/tools/ark7-google-drive-mcp/deleterange.md - `deleteSheet` — Destructive — https://policylayer.com/tools/ark7-google-drive-mcp/deletesheet.md - `deleteSlideElement` — Destructive — https://policylayer.com/tools/ark7-google-drive-mcp/deleteslideelement.md - `removePermission` — Destructive — https://policylayer.com/tools/ark7-google-drive-mcp/removepermission.md - `authGetStatus` — Read — https://policylayer.com/tools/ark7-google-drive-mcp/authgetstatus.md - `authListScopes` — Read — https://policylayer.com/tools/ark7-google-drive-mcp/authlistscopes.md - `authTestFileAccess` — Read — https://policylayer.com/tools/ark7-google-drive-mcp/authtestfileaccess.md - `describeGoogleDocRange` — Read — https://policylayer.com/tools/ark7-google-drive-mcp/describegoogledocrange.md - `downloadFile` — Read — https://policylayer.com/tools/ark7-google-drive-mcp/downloadfile.md - `exportSlideThumbnail` — Read — https://policylayer.com/tools/ark7-google-drive-mcp/exportslidethumbnail.md - `getCalendarEvent` — Read — https://policylayer.com/tools/ark7-google-drive-mcp/getcalendarevent.md - `getCalendarEvents` — Read — https://policylayer.com/tools/ark7-google-drive-mcp/getcalendarevents.md - `getComment` — Read — https://policylayer.com/tools/ark7-google-drive-mcp/getcomment.md - `getDocumentInfo` — Read — https://policylayer.com/tools/ark7-google-drive-mcp/getdocumentinfo.md - `getGoogleDocContent` — Read — https://policylayer.com/tools/ark7-google-drive-mcp/getgoogledoccontent.md - `getGoogleDocContentPaginated` — Read — https://policylayer.com/tools/ark7-google-drive-mcp/getgoogledoccontentpaginated.md - `getGoogleDocImage` — Read — https://policylayer.com/tools/ark7-google-drive-mcp/getgoogledocimage.md - `getGoogleDocStyleSummary` — Read — https://policylayer.com/tools/ark7-google-drive-mcp/getgoogledocstylesummary.md - `getGoogleSheetCells` — Read — https://policylayer.com/tools/ark7-google-drive-mcp/getgooglesheetcells.md - `getGoogleSheetContent` — Read — https://policylayer.com/tools/ark7-google-drive-mcp/getgooglesheetcontent.md - `getGoogleSlidesContent` — Read — https://policylayer.com/tools/ark7-google-drive-mcp/getgoogleslidescontent.md - `getGoogleSlidesSpeakerNotes` — Read — https://policylayer.com/tools/ark7-google-drive-mcp/getgoogleslidesspeakernotes.md - `getRevisions` — Read — https://policylayer.com/tools/ark7-google-drive-mcp/getrevisions.md - `getSlideElementInfo` — Read — https://policylayer.com/tools/ark7-google-drive-mcp/getslideelementinfo.md - `getSpreadsheetInfo` — Read — https://policylayer.com/tools/ark7-google-drive-mcp/getspreadsheetinfo.md - …and 100 more: https://policylayer.com/tools/ark7-google-drive-mcp.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=ark7-google-drive-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/ark7-google-drive-mcp