AI agents call get_user_activities to retrieve information from Axie without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves historical activity data from the blockchain without creating, modifying, deleting, or executing any operations. It has no side effects and poses minimal security risk as it only exposes publicly available on-chain information that users can already access through block explorers.
From the tool's definition Tool name 'get_user_activities' and description 'Get the recent on-chain activity history for a user' indicate data retrieval with no modification capabilities.
Attacks that exploit this kind of access
Get the recent on-chain activity history for a user. It is categorised as a Read tool in the Axie MCP Server, which means it retrieves data without modifying state.
Register the Axie MCP server in PolicyLayer and add a rule for get_user_activities: 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 Axie. Nothing to install.
get_user_activities 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_user_activities 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_user_activities. 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_user_activities is provided by the Axie MCP server (jackdlogan/axie-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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