AI agents call get_config to retrieve information from MCP Demo without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves configuration data without creating, modifying, deleting, or executing anything. It is a simple read operation consistent with the 'Read' category. Severity is low because configuration data retrieval poses minimal risk unless it exposes highly sensitive secrets, but the description suggests it returns general server settings rather than credentials.
From the tool's definition Tool name 'get_config' and description 'Get current configuration' indicate retrieval of existing data with no modification or side effects.
Attacks that exploit this kind of access
Get current configuration. It is categorised as a Read tool in the MCP Demo MCP Server, which means it retrieves data without modifying state.
Register the MCP Demo MCP server in PolicyLayer and add a rule for get_config: 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 Demo. Nothing to install.
get_config 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_config 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_config. 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_config is provided by the MCP Demo MCP server (tanteng/mcp-demo). 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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