Get information about the MCP server and available models.
AI agents call get_server_info to retrieve information from ESMfold 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 metadata about the server and available models. It performs a read-only query operation that does not create, modify, delete, or execute any computation. The blast radius is minimal—it only exposes system information that a legitimate user would need to understand available capabilities. No reversible or irreversible state changes occur.
From the tool's definition Tool name 'get_server_info' and description 'Get information about the MCP server and available models' indicate a query/retrieval operation with no side effects.
Attacks that exploit this kind of access
Get information about the MCP server and available models. It is categorised as a Read tool in the ESMfold MCP Server MCP Server, which means it retrieves data without modifying state.
Register the ESMfold MCP Server MCP server in PolicyLayer and add a rule for get_server_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 ESMfold MCP Server. Nothing to install.
get_server_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_server_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_server_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_server_info is provided by the ESMfold MCP Server MCP server (macromnex/esmfold_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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