Get a demonstration video for an exercise from MuscleWiki. Use when the user asks how to perform an exercise.
AI agents call get_exercise_video to retrieve information from Arvo MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and displays existing video content in response to user queries about exercise form. It performs a read-only lookup operation against MuscleWiki's video database. There is no data creation, modification, deletion, code execution, or financial transaction involved. The blast radius of misuse is minimal—an agent might return incorrect or irrelevant videos, but no data or systems are harmed.
From the tool's definition Tool name 'get_exercise_video' and description 'Get a demonstration video for an exercise from MuscleWiki' indicates retrieval of instructional content with no modification or side effects.
Attacks that exploit this kind of access
Get a demonstration video for an exercise from MuscleWiki. Use when the user asks how to perform an exercise. It is categorised as a Read tool in the Arvo MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Arvo MCP Server MCP server in PolicyLayer and add a rule for get_exercise_video: 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 Arvo MCP Server. Nothing to install.
get_exercise_video 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_exercise_video 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_exercise_video. 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_exercise_video is provided by the Arvo MCP Server MCP server (khaoss85/arvo-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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