Request an alternative exercise due to equipment or preference. Returns suggestions for swaps.
AI agents call swap_exercise 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.
The tool requests and returns alternative exercise suggestions. The actual application of a swap appears to be handled by a sibling tool 'apply_swap', suggesting this tool only reads/generates suggestions without modifying any data. Confidence is slightly reduced because the name 'swap_exercise' implies modification, but the description clarifies it only returns suggestions.
From the tool's definition 'Returns suggestions for swaps' — the tool only returns suggestions, not applying them
Attacks that exploit this kind of access
Request an alternative exercise due to equipment or preference. Returns suggestions for swaps. 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 swap_exercise: 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.
swap_exercise 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 swap_exercise 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 swap_exercise. 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.
swap_exercise 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.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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