caselaw_opinion_text
Fetch the full opinion text of a case on demand by its CAP id. Text is retrieved live from the public-domain CAP static mirror (not stored), and includes each opinion (majority, dissent, concurrence) with its author. Use max_chars to bound the response.
This record as markdown: /tools/io-github-blackboxfoundry-livedatalink/caselaw-opinion-text.md
What caselaw_opinion_text does on Livedatalink
AI agents call caselaw_opinion_text 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 |
|---|---|---|---|
id | number | Yes | CAP case id (from caselaw_search / caselaw_citation_lookup). |
max_chars | number | — | Maximum total characters of opinion text (default 50000, max 500000). |
Parameters from the server's own tool schema.
Why caselaw_opinion_text is rated Low
This tool retrieves publicly available court opinion documents from an existing public-domain database (CAP static mirror). It performs no writes, deletions, code execution, or financial transactions. The only parameters mentioned are 'CAP id' and 'max_chars', both used for filtering/bounding the retrieval. No modification of underlying data is possible.
From the tool's definition Tool description states 'Fetch the full opinion text' and 'Text is retrieved live from the public-domain CAP static mirror (not stored)'.
Attacks that exploit this kind of access
The rule that runs caselaw_opinion_text 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_opinion_text, this is the rule to start with:
caselaw_opinion_text 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_opinion_text call is checked against it from then on.
Questions about caselaw_opinion_text
Fetch the full opinion text of a case on demand by its CAP id. Text is retrieved live from the public-domain CAP static mirror (not stored), and includes each opinion (majority, dissent, concurrence) with its author. Use max_chars to bound the response. It is categorised as a Read tool in the Livedatalink MCP Server, which means it retrieves data without modifying state.
caselaw_opinion_text accepts 2 parameters: id, max_chars. Required: id. 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_opinion_text: 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_opinion_text 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_opinion_text 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_opinion_text. 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_opinion_text 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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