AI agents call get_workout_events to retrieve information from Hevy without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves workout event history (creates/updates/deletes that occurred) without modifying any state. It is purely informational, allowing inspection of past changes but not causing new changes itself. The blast radius of misuse is minimal—an AI agent could only access fitness data it already has permission to view through this server. No data would be modified, deleted, or at risk of financial impact.
From the tool's definition Tool name 'get_workout_events' and description 'Get workout change events' indicate data retrieval only. The verb 'Get' and lack of action words like 'create', 'update', 'delete', or 'execute' confirm read-only semantics.
Attacks that exploit this kind of access
Get workout change events (creates/updates/deletes) since a given ISO 8601 date. It is categorised as a Read tool in the Hevy MCP Server, which means it retrieves data without modifying state.
Register the Hevy MCP server in PolicyLayer and add a rule for get_workout_events: 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 Hevy. Nothing to install.
get_workout_events 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_workout_events 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_workout_events. 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_workout_events is provided by the Hevy MCP server (srdjancodes/hevy-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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