# createMediaSubtitles

Add subtitle tracks to uploaded video media.

Agent View of the PolicyLayer registry record for `createMediaSubtitles`. HTML page: https://policylayer.com/tools/xdevplatform-xmcp/createmediasubtitles

## Facts

- Tool: `createMediaSubtitles`
- Server: Xdevplatform/xmcp (`xdevplatform/xmcp`) — https://policylayer.com/tools/xdevplatform-xmcp.md
- Homepage: https://github.com/xdevplatform/xmcp
- 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": "createMediaSubtitles",
    "arguments": {}
  }
}
```

## Why createMediaSubtitles is rated Medium

This tool creates or adds new subtitle tracks to video media, which is a reversible modification of data. It does not execute arbitrary code, delete content, or involve financial transactions. The modification is reversible (subtitles can be removed or replaced), placing it in the Write category.

From the tool's own definition: "Tool name 'createMediaSubtitles' and description 'Add subtitle tracks to uploaded video media' indicates creation of new media metadata that modifies existing content."

## Use case

AI agents use createMediaSubtitles to create or update resources in Xdevplatform/xmcp, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Xdevplatform/xmcp environment.

## Recommended policy (PolicyLayer)

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

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

## Other tools on Xdevplatform/xmcp (134)

- `deleteAccountActivitySubscription` — Destructive — https://policylayer.com/tools/xdevplatform-xmcp/deleteaccountactivitysubscription.md
- `deleteActivitySubscription` — Destructive — https://policylayer.com/tools/xdevplatform-xmcp/deleteactivitysubscription.md
- `deleteAllConnections` — Destructive — https://policylayer.com/tools/xdevplatform-xmcp/deleteallconnections.md
- `deleteCommunityNotes` — Destructive — https://policylayer.com/tools/xdevplatform-xmcp/deletecommunitynotes.md
- `deleteConnectionsByEndpoint` — Destructive — https://policylayer.com/tools/xdevplatform-xmcp/deleteconnectionsbyendpoint.md
- `deleteConnectionsByUuids` — Destructive — https://policylayer.com/tools/xdevplatform-xmcp/deleteconnectionsbyuuids.md
- `deleteDirectMessagesEvents` — Destructive — https://policylayer.com/tools/xdevplatform-xmcp/deletedirectmessagesevents.md
- `deleteLists` — Destructive — https://policylayer.com/tools/xdevplatform-xmcp/deletelists.md
- `deleteMediaSubtitles` — Destructive — https://policylayer.com/tools/xdevplatform-xmcp/deletemediasubtitles.md
- `deletePosts` — Destructive — https://policylayer.com/tools/xdevplatform-xmcp/deleteposts.md
- `deleteUsersBookmark` — Destructive — https://policylayer.com/tools/xdevplatform-xmcp/deleteusersbookmark.md
- `removeListsMemberByUserId` — Destructive — https://policylayer.com/tools/xdevplatform-xmcp/removelistsmemberbyuserid.md
- `createComplianceJobs` — Execute — https://policylayer.com/tools/xdevplatform-xmcp/createcompliancejobs.md
- `sendChatTypingIndicator` — Execute — https://policylayer.com/tools/xdevplatform-xmcp/sendchattypingindicator.md
- `chatMediaDownload` — Read — https://policylayer.com/tools/xdevplatform-xmcp/chatmediadownload.md
- `dmConversationsMediaDownload` — Read — https://policylayer.com/tools/xdevplatform-xmcp/dmconversationsmediadownload.md
- `getAccountActivitySubscriptionCount` — Read — https://policylayer.com/tools/xdevplatform-xmcp/getaccountactivitysubscriptioncount.md
- `getAccountActivitySubscriptions` — Read — https://policylayer.com/tools/xdevplatform-xmcp/getaccountactivitysubscriptions.md
- `getActivitySubscriptions` — Read — https://policylayer.com/tools/xdevplatform-xmcp/getactivitysubscriptions.md
- `getChatConversation` — Read — https://policylayer.com/tools/xdevplatform-xmcp/getchatconversation.md
- `getChatConversations` — Read — https://policylayer.com/tools/xdevplatform-xmcp/getchatconversations.md
- `getCommunitiesById` — Read — https://policylayer.com/tools/xdevplatform-xmcp/getcommunitiesbyid.md
- `getComplianceJobs` — Read — https://policylayer.com/tools/xdevplatform-xmcp/getcompliancejobs.md
- `getComplianceJobsById` — Read — https://policylayer.com/tools/xdevplatform-xmcp/getcompliancejobsbyid.md
- `getConnectionHistory` — Read — https://policylayer.com/tools/xdevplatform-xmcp/getconnectionhistory.md
- `getDirectMessagesEvents` — Read — https://policylayer.com/tools/xdevplatform-xmcp/getdirectmessagesevents.md
- `getDirectMessagesEventsByConversationId` — Read — https://policylayer.com/tools/xdevplatform-xmcp/getdirectmessageseventsbyconversationid.md
- `getDirectMessagesEventsById` — Read — https://policylayer.com/tools/xdevplatform-xmcp/getdirectmessageseventsbyid.md
- `getDirectMessagesEventsByParticipantId` — Read — https://policylayer.com/tools/xdevplatform-xmcp/getdirectmessageseventsbyparticipantid.md
- `getInsights28Hr` — Read — https://policylayer.com/tools/xdevplatform-xmcp/getinsights28hr.md
- …and 104 more: https://policylayer.com/tools/xdevplatform-xmcp.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`

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