get_session_info
AI agents call get_session_info to retrieve information from MCP PyBoy Emulator Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool appears designed to retrieve information about the current emulation session (e.g., ROM loaded, current state, session metadata). No arguments are documented that would enable modification, deletion, or external execution. Even though the description is empty, the 'get_' prefix and sibling tools (get_screen, load_rom, press_button) establish a pattern where 'get_' methods are non-destructive queries.
From the tool's definition Tool name 'get_session_info' and empty description suggest retrieval/query of session state without side effects. Naming convention ('get_' prefix) indicates a read-only operation.
Attacks that exploit this kind of access
get_session_info. It is categorised as a Read tool in the MCP PyBoy Emulator Server MCP Server, which means it retrieves data without modifying state.
Register the MCP PyBoy Emulator Server MCP server in PolicyLayer and add a rule for get_session_info: 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 MCP PyBoy Emulator Server. Nothing to install.
get_session_info 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_session_info 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_session_info. 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_session_info is provided by the MCP PyBoy Emulator Server MCP server (ssimonitch/mcp-pyboy). 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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