get_activity_streams_tool
AI agents call get_activity_streams_tool to retrieve information from Strava MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool retrieves activity stream data from Strava (sensor/GPS data from a workout) with no side effects. Despite the empty description, the naming convention ('get_*'), server purpose (retrieve data), and sibling tools establish this as a read-only query operation. Severity is low because the data is user-owned fitness information with limited sensitive exposure.
From the tool's definition Tool name 'get_activity_streams_tool' combined with server description stating the server 'retrieve[s] athlete statistics and activity data' and sibling tools like 'get_activity_details_tool', 'get_activity_laps_tool', and 'get_athlete_stats_tool' all being…
Attacks that exploit this kind of access
get_activity_streams_tool. It is categorised as a Read tool in the Strava MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Strava MCP Server MCP server in PolicyLayer and add a rule for get_activity_streams_tool: 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 Strava MCP Server. Nothing to install.
get_activity_streams_tool 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_activity_streams_tool 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_activity_streams_tool. 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_activity_streams_tool is provided by the Strava MCP Server MCP server (saxenanurag/strava-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.
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