Get CTL/ATL/TSB fitness time series.
AI agents call get_fitness to retrieve information from Intervals Mcp without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries fitness time series data from intervals.icu with no side effects. It reads training metrics used for analysis and planning but cannot create, modify, delete, or execute operations. Classification as Read is appropriate for a straightforward data retrieval operation on athletic performance metrics.
From the tool's definition Tool name 'get_fitness' and description 'Get CTL/ATL/TSB fitness time series' indicate data retrieval of fitness metrics (CTL=Chronic Training Load, ATL=Acute Training Load, TSB=Training Stress Balance) with no modification, deletion, or execution…
Attacks that exploit this kind of access
Get CTL/ATL/TSB fitness time series. It is categorised as a Read tool in the Intervals Mcp MCP Server, which means it retrieves data without modifying state.
Register the Intervals MCP server in PolicyLayer and add a rule for get_fitness: 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 Intervals Mcp. Nothing to install.
get_fitness 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_fitness 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_fitness. 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_fitness is provided by the Intervals MCP server (ryansheppard/intervals.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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