Charging session history for an Enphase IQ EV charger.
AI agents call get_ev_charger_sessions to retrieve information from Enphase Solar MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves charging session history—past data about EV charger usage. It performs no modifications, deletions, writes, code execution, or financial transactions. It is purely informational/diagnostic in nature. Even if an AI agent misuses it by requesting all session history, the worst outcome is exposure of usage patterns, which is a low-severity information disclosure risk rather than operational impact.
From the tool's definition Tool name 'get_ev_charger_sessions' and description 'Charging session history for an Enphase IQ EV charger' indicate retrieval of historical data with no modification or side effects. Prefixed with 'get_' which strongly signals a read operation.
Attacks that exploit this kind of access
Charging session history for an Enphase IQ EV charger. It is categorised as a Read tool in the Enphase Solar MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Enphase Solar MCP Server MCP server in PolicyLayer and add a rule for get_ev_charger_sessions: 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 Enphase Solar MCP Server. Nothing to install.
get_ev_charger_sessions 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_ev_charger_sessions 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_ev_charger_sessions. 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_ev_charger_sessions is provided by the Enphase Solar MCP Server MCP server (xianman/enphase-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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