caselaw_citation_lookup
Resolve a reporter citation (e.g. '347 U.S. 483', '347 U. S. 483', '384 U.S. 436') to the case it identifies. Matches official and parallel citations. Returns the case metadata including its CAP id for use with caselaw_opinion_text.
This record as markdown: /tools/io-github-blackboxfoundry-livedatalink/caselaw-citation-lookup.md
What caselaw_citation_lookup does on Livedatalink
AI agents call caselaw_citation_lookup to retrieve information from Livedatalink without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
citation | string | Yes | A reporter citation, e.g. '347 U.S. 483'. |
Parameters from the server's own tool schema.
Why caselaw_citation_lookup is rated Low
This is a straightforward read operation that queries a legal database to retrieve and return case information based on a citation identifier. It has no side effects, does not modify data, does not execute code or external commands, and does not involve financial transactions. The blast radius of misuse is minimal—an AI could retrieve unwanted legal information but cannot cause harm beyond unauthorized data access.
From the tool's definition Tool resolves citations to case metadata and returns information about cases (CAP id, case details) without modifying, deleting, or executing operations. Description: 'Resolve a reporter citation...
Attacks that exploit this kind of access
The rule that runs caselaw_citation_lookup safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Livedatalink, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For caselaw_citation_lookup, this is the rule to start with:
caselaw_citation_lookup 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 Livedatalink, apply this rule, and every caselaw_citation_lookup call is checked against it from then on.
Questions about caselaw_citation_lookup
Resolve a reporter citation (e.g. '347 U.S. 483', '347 U. S. 483', '384 U.S. 436') to the case it identifies. Matches official and parallel citations. Returns the case metadata including its CAP id for use with caselaw_opinion_text. It is categorised as a Read tool in the Livedatalink MCP Server, which means it retrieves data without modifying state.
caselaw_citation_lookup accepts 1 parameter: citation. Required: citation. The full parameter table on this page comes from the server's own tool schema.
Register the Livedatalink MCP server in PolicyLayer and add a rule for caselaw_citation_lookup: 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 Livedatalink. Nothing to install.
caselaw_citation_lookup 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 caselaw_citation_lookup 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 caselaw_citation_lookup. 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.
caselaw_citation_lookup is provided by the Livedatalink MCP server (https://livedatalink.ai/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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