AI agents call find_cited_cases to retrieve information from Legal without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool searches and retrieves legal citation relationships from case law databases. It queries existing data with no side effects, no data modification, and no external operation triggering. It is purely informational retrieval, fitting the 'Read' category. Severity is low because misuse yields only unwanted legal research results, not data loss, code execution, or financial impact.
From the tool's definition Tool name 'find_cited_cases' and description 'Find cases that a specific opinion cites' indicate a query/retrieval operation.
Attacks that exploit this kind of access
Find cases that a specific opinion cites (what cases did this ruling rely on?). It is categorised as a Read tool in the Legal MCP Server, which means it retrieves data without modifying state.
Register the Legal MCP server in PolicyLayer and add a rule for find_cited_cases: 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 Legal. Nothing to install.
find_cited_cases 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 find_cited_cases 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 find_cited_cases. 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.
find_cited_cases is provided by the Legal MCP server (jscottym/legal-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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