courtlistener-get-opinion
Fetch a single CourtListener opinion (with full text) by numeric id.
This record as markdown: /tools/io-github-derekslinz-meta-data-mcp/courtlistener-get-opinion.md
What courtlistener-get-opinion does on Meta Data Mcp
AI agents call courtlistener-get-opinion to retrieve information from Meta Data Mcp without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why courtlistener-get-opinion is rated Low
This tool queries a public legal database (CourtListener) to retrieve existing opinion documents. It performs a simple retrieval operation without creating, modifying, deleting, or executing any operations. The data returned is already public information. The blast radius of misuse is minimal—an agent could retrieve many opinions but cannot modify or delete them, and the information is already publicly accessible.
From the tool's definition Tool fetches a single CourtListener opinion by numeric id. The verb 'fetch' and the operation of retrieving 'full text' indicate data retrieval with no modifications or side effects.
Attacks that exploit this kind of access
The rule that runs courtlistener-get-opinion safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Meta Data Mcp, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For courtlistener-get-opinion, this is the rule to start with:
courtlistener-get-opinion is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Meta Data Mcp, apply this rule, and every courtlistener-get-opinion call is checked against it from then on.
Questions about courtlistener-get-opinion
Fetch a single CourtListener opinion (with full text) by numeric id. It is categorised as a Read tool in the Meta Data Mcp MCP Server, which means it retrieves data without modifying state.
Register the Meta Data MCP server in PolicyLayer and add a rule for courtlistener-get-opinion: 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 Meta Data Mcp. Nothing to install.
courtlistener-get-opinion 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 courtlistener-get-opinion 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 courtlistener-get-opinion. 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.
courtlistener-get-opinion is provided by the Meta Data MCP server (pypi:meta-data-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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