Skip to content
Vinkius

OpenLaws Connector for AI agents.

14 live capabilities

Conduct deep legal research and citation validation across 53 jurisdictions.

Live agent request OpenLaws / Connector

Waiting for input…

AI Agent

Why people use OpenLaws

OpenLaws for Precise Legal Research and Compliance

OpenLaws changes that by putting the data directly in your agent's hands. Instead of hunting for PDFs, you ask a question and get specific statute text, redline comparisons, and validated citations. You move from being a data gatherer to a strategist.

  • Claude
  • ChatGPT
  • Gemini
  • Cursor
  • Visual Studio Code
  • Windsurf

What Vinkius changes

That you stop hunting for PDFs and start getting direct answers from verified legal sources.

Use it from Claude, ChatGPT, Cursor or another AI client you already have.

One account · 5,900+ Connectors

  1. Real-world use case 01

    50-State Privacy Survey

    A policy analyst needs to know how every state handles data privacy.

  2. Real-world use case 02

    Citation Audit

    A paralegal is double-checking a brief.

  3. Real-world use case 03

    Compliance Alerting

    A compliance lead wants to know what changed in California labor law this month.

Complete set · 14capabilities

The complete OpenLaws capability set.

These are the exact actions your AI can choose when you ask it to work with OpenLaws.

Capability set01 / 04

01—04

4 capabilities in this set.

Part of 14 available through OpenLaws.

  1. 01 Capability

    Get constitution

    Retrieves the full text and amendment history of a specific constitutional provision.

  2. 02 Capability

    Get statute history

    Displays the legislative history and amendments for a federal statute over time.

  3. 03 Capability

    Validate citation

    Identifies malformed citations and locates the original government source document.

  4. 04 Capability

    Get caselaw opinion

    Fetches the full text of a court opinion, including court details and parties involved, after you find it via search.

Capability set02 / 04

05—08

4 capabilities in this set.

Part of 14 available through OpenLaws.

  1. 05 Capability

    Get redline comparison

    Shows the exact differences between two versions of a federal statute to highlight legislative changes.

  2. 06 Capability

    Get regulation

    Pulls the complete text and context of a specific regulation after you find it in a search.

  3. 07 Capability

    Get jurisdiction

    Provides specific details for a jurisdiction to help you scope your legal searches accurately.

  4. 08 Capability

    Get recent updates

    Lists recent legal changes across all jurisdictions or within a specific state for compliance monitoring.

Capability set03 / 04

09—11

3 capabilities in this set.

Part of 14 available through OpenLaws.

  1. 09 Capability

    Get statute

    Retrieves the full text, citations, and effective dates of a specific statute.

  2. 10 Capability

    List jurisdictions

    Lists all available federal and state jurisdictions to help you define your search area.

  3. 11 Capability

    Search caselaw

    Searches millions of case opinions by keyword, filtered by jurisdiction, court, or circuit.

Capability set04 / 04

12—14

3 capabilities in this set.

Part of 14 available through OpenLaws.

  1. 12 Capability

    Search constitutions

    Queries the US and all 50 state constitutions for specific provisions and amendments.

  2. 13 Capability

    Search regulations

    Searches for regulations across all jurisdictions or specific regions by keyword.

  3. 14 Capability

    Search statutes

    Queries federal and state statutes by keyword, allowing for 50-state surveys or local scoping.

Set up in minutes

One URL. Then ask OpenLaws to work.

Claude and ChatGPT only need the Connector URL. Copy it once, add it in settings, and use OpenLaws from the conversation.

Choose your client

Live preview
Advanced clients IDE · CLI

Claude · Web + desktop

Official guide ↗

Connector URL · ready to paste

Streamable HTTP
https://edge.vinkius.com/vk_preview_9lJiAbUmMMfe0J30gi6K1hWuX9NA2fO2s1RmCda0/mcp
  1. Step 01

    Open Connectors

    In Claude Web or Claude Desktop, open Settings and choose Connectors.

  2. Step 02

    Add the URL

    Choose Add custom connector, name it OpenLaws, and paste the URL above.

  3. Step 03

    Turn it on in chat

    Select +, open Connectors, and enable OpenLaws for the conversation.

Where the request belongs

Work OpenLaws can move forward.

Built around the request

This is for the legal researcher who spends half their day clicking through government websites or the compliance officer trying to keep up with a moving target of state regulations. It's for people who need accuracy, not just best guesses.

01

Legal Researcher

Finds specific statutes and case law across multiple states without opening dozens of browser tabs.

02

Compliance Officer

Monitors legislative updates in specific jurisdictions to ensure company policies stay current.

03

LegalTech Developer

Pulls validated legal data into RAG pipelines or agentic workflows for internal capabilities.

04

Policy Analyst

Conducts 50-state surveys and analyzes legislative history to track changes over time.

Bring your own AI

Change the model, client or framework. Keep OpenLaws connected.

  • Claude
  • ChatGPT
  • Gemini
  • Cursor
  • VS Code
  • Windsurf
  • ZCode
  • Cline
  • Zed
  • Continue
  • Kiro
  • Roo Code
  • Zencoder
  • Goose
  • Void
  • Augment Code
  • Amp
  • Qodo
  • Tabnine
  • Pieces
  • Sourcegraph Cody
  • JetBrains
  • Warp
  • Amazon Q
  • Antigravity
  • BoltAI
  • Raycast
  • Jan
  • LM Studio
  • AnythingLLM
  • Open WebUI
  • Msty
  • Cherry Studio
  • LibreChat
  • TypingMind
  • Chorus
  • 5ire
  • n8n
  • LangChain
  • LlamaIndex
  • CrewAI
  • Vercel AI SDK

Before you connect

Questions about OpenLaws.

The practical details behind the request, access and result.

Can the OpenLaws MCP search laws in all 50 states?

Yes, it allows you to query federal and state statutes across all 53 jurisdictions simultaneously.

How does OpenLaws MCP help with legal compliance?

It lets you monitor recent legislative updates and get redline comparisons of federal statutes to track changes.

Can I use OpenLaws MCP to check if my legal citations are correct?

Yes, the Connector can identify malformed citations and find the original government source for you.

Does OpenLaws MCP include case law?

It provides access to millions of case opinions from sources like Harvard CAP and CourtListener.

Can the OpenLaws MCP provide historical versions of laws?

It can retrieve historical versions and redline comparisons for federal statutes.

Is OpenLaws MCP good for 50-state surveys?

Yes, it's designed to search all 50 states at once, making it ideal for broad jurisdictional research.

How do I get an OpenLaws API key and what authentication method is used?

Visit openlaws.us/api and click Get API Access to register. Once approved, you'll receive a Bearer token. Include it in the Authorization header as Authorization: Bearer YOUR_TOKEN. The API uses standard Bearer token authentication for all v1 endpoints at https://api.openlaws.us/api/v1/.

Can I search statutes across all 50 states simultaneously?

Yes! Use the search_statutes capability without specifying a jurisdiction parameter to search all 53 jurisdictions (50 states + DC + Puerto Rico + federal) at once. This is perfect for 50-state surveys. Alternatively, scope your search to a specific jurisdiction by providing its ID (e.g., 'ca' for California, 'ny' for New York, 'us' for federal).

How does citation validation work and what formats are supported?

Use the validate_citation capability with any standard legal citation format. The API will identify the original government source, validate the citation accuracy, and flag malformed citations. It supports Bluebook format (e.g., '42 U.S.C. § 1983', '347 U.S. 483 (Brown v. Board)'), state citations for all 50 states, DC, and Puerto Rico. This is ideal for validating citations in legal documents, spreadsheets, and databases.

What legal data sources does OpenLaws cover?

OpenLaws covers ~4.3 million tracked sections across 53 jurisdictions with 100% federal statutes and regulations coverage. Data includes: United States Code (USC), Code of Federal Regulations (CFR), all 50 state statutes and regulations, DC and Puerto Rico laws, ~5-6 million case opinions (from Harvard CAP and CourtListener), US Constitution and all 50 state constitutions, and legislative history for federal laws.

One connection away

Give your agent a direct line to OpenLaws.

Connect OpenLaws once. Keep it beside 5,900+ managed Connectors when the next task needs more.

Explore every Connector No credit card required · Free tier available