Get full dictionary entry for a file or feature
AI agents call cortex_get_detail to retrieve information from Cortex MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves existing data from the cortex memory system without creating, modifying, or deleting anything. It is a straightforward read operation with no side effects. Severity is low because the blast radius of misuse is limited to exposing information already stored in the agent's own memory context.
From the tool's definition Tool name contains 'get' and description states 'Get full dictionary entry' — both indicate data retrieval with no modification. The tool fetches stored information about files or features.
Attacks that exploit this kind of access
Get full dictionary entry for a file or feature. It is categorised as a Read tool in the Cortex MCP MCP Server, which means it retrieves data without modifying state.
Register the Cortex MCP server in PolicyLayer and add a rule for cortex_get_detail: 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 Cortex MCP. Nothing to install.
cortex_get_detail 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 cortex_get_detail 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 cortex_get_detail. 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.
cortex_get_detail is provided by the Cortex MCP server (neuralnexustech/cortex-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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