get_frame_data
Extract a frame and return as base64 for embedding in reports.
This record as markdown: /tools/0xchamin-mcptube/get-frame-data.md
What get_frame_data does on Mcptube Vision
AI agents call get_frame_data to retrieve information from Mcptube Vision without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why get_frame_data is rated Low
This tool retrieves visual frame data from YouTube videos and encodes it for display/embedding purposes. It has no side effects on the underlying data, does not execute code or commands, does not create or modify persistent state, and does not involve financial transactions or irreversible operations.
From the tool's definition Tool extracts and returns frame data as base64 encoding. The description uses 'Extract' and 'return', indicating data retrieval with no modification or deletion. The base64 output is intended for embedding in reports, a read-only use case.
Attacks that exploit this kind of access
The rule that runs get_frame_data safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Mcptube Vision, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_frame_data, this is the rule to start with:
get_frame_data is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Mcptube Vision, apply this rule, and every get_frame_data call is checked against it from then on.
Questions about get_frame_data
Extract a frame and return as base64 for embedding in reports. It is categorised as a Read tool in the Mcptube Vision MCP Server, which means it retrieves data without modifying state.
Register the Mcptube Vision MCP server in PolicyLayer and add a rule for get_frame_data: 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 Mcptube Vision. Nothing to install.
get_frame_data is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the get_frame_data 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 get_frame_data. 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.
get_frame_data is provided by the Mcptube Vision MCP server (0xchamin/mcptube). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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