Transcribe a LOCAL file by uploading it to Scriptivox. Drives the 3-step upload flow internally. Same options as transcribe_url. Use when the file isn't on a public URL. Max file size 5 GB. Requires a configured API key.
Risk signalsAccepts file system path (file_path) · Accepts URL/endpoint input (webhook_url)
Part of the Scriptivox server.
Free to start. No card required.
AI agents use transcribe_upload to create or modify resources in Scriptivox. Write operations carry medium risk because an autonomous agent could trigger bulk unintended modifications. Rate limits prevent a single agent session from making hundreds of changes in rapid succession. Argument validation ensures the agent passes expected values.
Without a policy, an AI agent could call transcribe_upload repeatedly, creating or modifying resources faster than any human could review. PolicyLayer's rate limiting ensures write operations happen at a controlled pace, and argument validation catches malformed or unexpected inputs before they reach Scriptivox.
Write tools can modify data. A rate limit prevents runaway bulk operations from AI agents.
{
"version": "1",
"default": "deny",
"tools": {
"transcribe_upload": {
"limits": [
{
"counter": "transcribe_upload_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}See the full Scriptivox policy for all 14 tools.
These attack patterns abuse exactly the kind of access transcribe_upload gives an agent. Each links to the full case and the policy that stops it:
Other write tools across the catalogue. The same approach applies to each: rate-limit and validate the arguments.
Transcribe a LOCAL file by uploading it to Scriptivox. Drives the 3-step upload flow internally. Same options as transcribe_url. Use when the file isn't on a public URL. Max file size 5 GB. Requires a configured API key.. It is categorised as a Write tool in the Scriptivox MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Scriptivox MCP server in PolicyLayer and add a rule for transcribe_upload: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Scriptivox. Nothing to install.
transcribe_upload is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the transcribe_upload rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for transcribe_upload. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
transcribe_upload is provided by the Scriptivox MCP server (oci:docker.io/sparkleofficialmain/scriptivox-mcp-server:1.1.3). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 14 Scriptivox tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
4,600+ MCP servers and 31,000+ tools scanned and risk-classified.