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Vinkius
Mastra AISDK
Mastra AI
Why use CourtListener MCP Server with Mastra AI?

Bring Legal Research
to Mastra AI

Create your Vinkius account to connect CourtListener to Mastra AI and start using all 10 AI tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code. No hosting, no server setup — just connect and start using.

MCP Inspector GDPR Free for Subscribers
Get CourtGet JudgeGet OpinionList CitationsList CourtsList Financial DisclosuresList JudgesList OpinionsSearch DocketsSearch Opinions
ChatGPT Claude Perplexity

Compatible with every major AI agent and IDE

ClaudeClaude
ChatGPTChatGPT
CursorCursor
GeminiGemini
WindsurfWindsurf
VS CodeVS Code
JetBrainsJetBrains
VercelVercel
+ other MCP clients
CourtListener

What is the 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.

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.

How it works

  1. Subscribe to this server
  2. Enter your CourtListener API Key
  3. Start managing your legal research through Claude, Cursor, or any MCP-compatible client

Who is this for?

  • Legal Professionals — monitor case law and docket updates straight from your workflow.
  • Researchers & Journalists — verify judicial metadata and financial disclosures without manual searches.
  • Law Students — perform rapid audits of legal citations and opinions through natural language.
  • Operations Leads — automate legal data querying to orchestrate cross-functional research teams smoothly.

Built-in capabilities (10)

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

Why Mastra AI?

Mastra's agent abstraction provides a clean separation between LLM logic and CourtListener tool infrastructure. Connect 10 tools through Vinkius and use Mastra's built-in workflow engine to chain tool calls with conditional logic, retries, and parallel execution. deployable to any Node.js host in one command.

  • Mastra's agent abstraction provides a clean separation between LLM logic and tool infrastructure. add CourtListener without touching business code

  • Built-in workflow engine chains MCP tool calls with conditional logic, retries, and parallel execution for complex automation

  • TypeScript-native: full type inference for every CourtListener tool response with IDE autocomplete and compile-time checks

  • One-command deployment to any Node.js host. Vercel, Railway, Fly.io, or your own infrastructure

M
See it in action

CourtListener in Mastra AI

AI AgentVinkius
High Security·Kill Switch·Plug and Play
Enterprise Security

Why run CourtListener with Vinkius?

The CourtListener connection runs on our fully managed, secure cloud infrastructure. We handle the hosting, maintenance, and security so you don't have to deal with servers or code. All 10 tools are ready to work instantly without any complex setup.

You stay in complete control of your data. Your AI only accesses the information you approve, keeping your sensitive passwords and private details completely safe. Plus, with automatic optimizations, your AI works faster and more efficiently.

CourtListener
Fully ManagedNo server setup
Plug & PlayNo coding needed
SecurePrivacy protected
PrivateYour data is safe
Cost ControlBudget limits
Control1-click disconnect
Auto-UpdatesMaintenance free
High SpeedOptimized for AI
Reliable99.9% uptime
Your credentials and connection tokens are fully encrypted

* Every connection is hosted and maintained by Vinkius. We handle the security, updates, and infrastructure so you don't have to write code or manage servers. See our infrastructure

01 / Catalog

Over 4,000 integrations ready for AI agents

Explore a vast library of pre-built integrations, optimized and ready to deploy.

02 / Credentials

Connect securely in under 30 seconds

Generate tokens to authenticate and link external services in a single step.

03 / Guardian

Complete visibility into every agent action

Audit live requests, latency, success rates, and active security compliance policies.

04 / FinOps

Optimize spending and track token ROI

Analyze real-time token consumption and cost metrics detailed by connection.

Over 4,000 integrations ready for AI agents
Connect securely in under 30 seconds
Complete visibility into every agent action
Optimize spending and track token ROI

Explore our live AI Agents Analytics dashboard to see it all working

This dashboard is included when you connect CourtListener using Vinkius. You will never be left in the dark about what your AI agents are doing with your tools.

Why Vinkius

CourtListener and 4,000+ other AI tools. No hosting, no code, ready to use.

Professionals who connect CourtListener to Mastra AI through Vinkius don't need to write code, manage servers, or worry about security. Everything is pre-configured, secure, and runs automatically in the background.

4,000+MCP Integrations
<40msResponse time
100%Fully managed
Raw MCP
Vinkius
Ready-to-use MCPsFind and configure each manually4,000+ MCPs ready to use
Connection SetupManual coding & server setup1-click instant connection
Server HostingYou host it yourself (needs 24/7 uptime)100% hosted & managed by Vinkius
Security & PrivacyStored in plaintext config filesBank-grade encrypted vault
Activity VisibilityBlind execution (no logs or tracking)Live dashboard with real-time logs
Cost ControlRunaway AI token spend riskAutomatic budget limits
Revoking AccessMust delete files or code to stop1-click disconnect button
The Vinkius Advantage

How Vinkius secures CourtListener for Mastra AI

Every request between Mastra AI and CourtListener is protected by our secure gateway. We automatically keep your sensitive data private, prevent unauthorized access, and let you disconnect instantly at any time.

< 40msCold start
Ed25519Signed audit chain
60%Token savings
FAQ

Frequently asked questions

01

How do I find my CourtListener API Key?

Log in to your CourtListener account, and you will find your API Key under the API Tokens section. Copy and paste it below.

02

Can the agent search for both opinions and dockets?

Yes. Use the search_opinions tool for legal judgments and search_dockets for case records. Your agent will return matching results from the Free Law Project database.

03

Is it possible to list judicial citations via the agent?

Yes. The list_citations tool allows your agent to retrieve all precedents and subsequent citations for any opinion by providing its Opinion ID, helping you map the legal landscape.

04

How does Mastra AI connect to MCP servers?

Create an MCPClient with the server URL and pass it to your agent. Mastra discovers all tools and makes them available with full TypeScript types.

05

Can Mastra agents use tools from multiple servers?

Yes. Pass multiple MCP clients to the agent constructor. Mastra merges all tool schemas and the agent can call any tool from any server.

06

Does Mastra support workflow orchestration?

Yes. Mastra has a built-in workflow engine that lets you chain MCP tool calls with branching logic, error handling, and parallel execution.

07

createMCPClient not exported

Install: npm install @mastra/mcp

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