CourtListener MCP Server for Vercel AI SDK 10 tools — connect in under 2 minutes
The Vercel AI SDK is the TypeScript toolkit for building AI-powered applications. Connect CourtListener through Vinkius and every tool is available as a typed function. ready for React Server Components, API routes, or any Node.js backend.
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Vinkius supports streamable HTTP and SSE.
import { createMCPClient } from "@ai-sdk/mcp";
import { generateText } from "ai";
import { openai } from "@ai-sdk/openai";
async function main() {
const mcpClient = await createMCPClient({
transport: {
type: "http",
// Your Vinkius token. get it at cloud.vinkius.com
url: "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
},
});
try {
const tools = await mcpClient.tools();
const { text } = await generateText({
model: openai("gpt-4o"),
tools,
prompt: "Using CourtListener, list all available capabilities.",
});
console.log(text);
} finally {
await mcpClient.close();
}
}
main();
* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure
About CourtListener MCP Server
Empower your AI agent to orchestrate your entire legal research workflow with CourtListener, the world's leading free and open platform for legal data. By connecting CourtListener to your agent, you transform complex legal searches into a natural conversation. Your agent can instantly search for opinions, audit court dockets, and retrieve detailed judge information without you ever touching a technical portal. Whether you are conducting case law research or monitoring judicial activity, your agent acts as a real-time legal assistant, ensuring your research is always grounded in open and accessible data.
The Vercel AI SDK gives every CourtListener tool full TypeScript type inference, IDE autocomplete, and compile-time error checking. Connect 10 tools through Vinkius and stream results progressively to React, Svelte, or Vue components. works on Edge Functions, Cloudflare Workers, and any Node.js runtime.
What you can do
- Opinion Auditing — Search for legal opinions by keyword and retrieve detailed metadata, including court name and date filed.
- Docket Oversight — Query court dockets to stay on top of ongoing litigation and case filings in real-time.
- Judicial Intelligence — Retrieve detailed information about judges and their financial disclosures to maintain strict control over your research context.
- Citation Discovery — List citations for specific opinions to understand the legal network and precedents.
- Court Governance — List all available courts and their metadata to ensure your jurisdictional research is accurate.
The CourtListener MCP Server exposes 10 tools through the Vinkius. Connect it to Vercel AI SDK in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.
How to Connect CourtListener to Vercel AI SDK via MCP
Follow these steps to integrate the CourtListener MCP Server with Vercel AI SDK.
Install dependencies
Run npm install @ai-sdk/mcp ai @ai-sdk/openai
Replace the token
Replace [YOUR_TOKEN_HERE] with your Vinkius token
Run the script
Save to agent.ts and run with npx tsx agent.ts
Explore tools
The SDK discovers 10 tools from CourtListener and passes them to the LLM
Why Use Vercel AI SDK with the CourtListener MCP Server
Vercel AI SDK provides unique advantages when paired with CourtListener through the Model Context Protocol.
TypeScript-first: every MCP tool gets full type inference, IDE autocomplete, and compile-time error checking out of the box
Framework-agnostic core works with Next.js, Nuxt, SvelteKit, or any Node.js runtime. same CourtListener integration everywhere
Built-in streaming UI primitives let you display CourtListener tool results progressively in React, Svelte, or Vue components
Edge-compatible: the AI SDK runs on Vercel Edge Functions, Cloudflare Workers, and other edge runtimes for minimal latency
CourtListener + Vercel AI SDK Use Cases
Practical scenarios where Vercel AI SDK combined with the CourtListener MCP Server delivers measurable value.
AI-powered web apps: build dashboards that query CourtListener in real-time and stream results to the UI with zero loading states
API backends: create serverless endpoints that orchestrate CourtListener tools and return structured JSON responses to any frontend
Chatbots with tool use: embed CourtListener capabilities into conversational interfaces with streaming responses and tool call visibility
Internal tools: build admin panels where team members interact with CourtListener through natural language queries
CourtListener MCP Tools for Vercel AI SDK (10)
These 10 tools become available when you connect CourtListener to Vercel AI SDK via MCP:
get_court
Get details for a specific court
get_judge
Get details for a specific judge
get_opinion
Get details for a specific opinion
list_citations
List citations for an opinion
list_courts
List all courts
list_financial_disclosures
List judge financial disclosures
list_judges
List judges
list_opinions
List opinions
search_dockets
Search for court dockets
search_opinions
Search for legal opinions
Example Prompts for CourtListener in Vercel AI SDK
Ready-to-use prompts you can give your Vercel AI SDK agent to start working with CourtListener immediately.
"Search for court opinions about 'copyright fair use'."
"Show me details for judge ID 1234."
"Check for dockets related to 'SpaceX' in 2024."
Troubleshooting CourtListener MCP Server with Vercel AI SDK
Common issues when connecting CourtListener to Vercel AI SDK through the Vinkius, and how to resolve them.
createMCPClient is not a function
npm install @ai-sdk/mcpCourtListener + Vercel AI SDK FAQ
Common questions about integrating CourtListener MCP Server with Vercel AI SDK.
How does the Vercel AI SDK connect to MCP servers?
createMCPClient from @ai-sdk/mcp and pass the server URL. The SDK discovers all tools and provides typed TypeScript interfaces for each one.Can I use MCP tools in Edge Functions?
Does it support streaming tool results?
useChat and streamText that handle tool calls and display results progressively in the UI.Connect CourtListener with your favorite client
Step-by-step setup guides for every MCP-compatible client and framework:
Anthropic's native desktop app for Claude with built-in MCP support.
AI-first code editor with integrated LLM-powered coding assistance.
GitHub Copilot in VS Code with Agent mode and MCP support.
Purpose-built IDE for agentic AI coding workflows.
Autonomous AI coding agent that runs inside VS Code.
Anthropic's agentic CLI for terminal-first development.
Python SDK for building production-grade OpenAI agent workflows.
Google's framework for building production AI agents.
Type-safe agent development for Python with first-class MCP support.
TypeScript toolkit for building AI-powered web applications.
TypeScript-native agent framework for modern web stacks.
Python framework for orchestrating collaborative AI agent crews.
Leading Python framework for composable LLM applications.
Data-aware AI agent framework for structured and unstructured sources.
Microsoft's framework for multi-agent collaborative conversations.
Connect CourtListener to Vercel AI SDK
Get your token, paste the configuration, and start using 10 tools in under 2 minutes. No API key management needed.