How to Use the LEAP Legal MCP in Claude

Q: How do I search for a specific case file using LEAP Legal in Claude Desktop?

Use the listmatters tool on the MCP server to search your active cases. Claude Desktop displays the matter IDs, which you then pass to getmatterdetails to read the full case history.

Q: Can I edit client contact cards with LEAP Legal on Claude Desktop?

Yes. You use updateexistingcard to modify phone numbers, addresses, or emails, or createnewcard to add new contacts directly from your Claude Desktop chat window.

Q: Does LEAP Legal on Claude Desktop let me read case documents?

Yes. The getmatterdocumentsonly tool lists all documents linked to a case, and getmattercorrespondence retrieves letters, emails, and court filings for Claude Desktop to analyze.

Q: How do I filter matter types by country?

Use listlegalmattertypes and specify your target country code like US or AU. This ensures you only create or view matters that match local jurisdiction rules.

Pull LEAP Legal matters and documents directly into Claude Desktop to draft filings and review case files without leaving your chat.

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Connect LEAP Legal MCP to Claude Desktop

Create your Vinkius account to connect LEAP Legal to Claude Desktop and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup LEAP Legal with Claude Desktop

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Inspect Legal Matters in Claude Desktop

The `list_matters` tool pulls your active case files directly into Claude Desktop so you can inspect matter details without switching apps. Your AI client reads the matter list and uses `get_matter_details` to extract case numbers, staff assignments, and stage histories. This MCP server ensures you write follow-up emails and status updates using real-time case records. Claude Desktop formats these updates based on actual file data, keeping your clients informed without manual data entry.

Draft Filings Using the LEAP Legal MCP Server

The `get_matter_documents_only` tool fetches specific files linked to an active case so your AI client can review them inside Claude Desktop. The agent reads the text from previous filings, court orders, or correspondence retrieved via `get_matter_correspondence`. You ask Claude Desktop to draft a response to an opposing counsel's letter based on the exact history of the file. The desktop agent parses the documents, matches the tone, and outputs a draft that aligns with the existing case file.

Update Contact Cards Directly From Chat

The `update_existing_card` tool on this MCP server modifies contact details for clients, witnesses, and opposing counsel inside LEAP Legal. When a client emails you a new phone number, you paste it into Claude Desktop and let the agent update the record. If the contact does not exist yet, the agent uses `create_new_card` to build a new profile. You keep your address book accurate without opening the main desktop application database.

Setup guide

Set up LEAP Legal MCP in Claude Web or Desktop

1

Open Claude Settings

Go to claude.ai, click your profile icon, then navigate to Customize → Connectors.
2

Add Custom Connector

Click the "+" button and select Add custom connector. Paste your Vinkius endpoint URL: https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. For OAuth-protected servers, expand Advanced settings to add credentials.
3

Start a conversation

Open a new chat. The LEAP Legal MCP tools are available immediately — no restart needed.

Endpoint URL

https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

No configuration file needed — paste the URL directly in the Claude web interface.

Available on Free (1 connector), Pro, Max, Team, and Enterprise plans.

Prerequisites

Claude Desktop installed (macOS or Windows)
Active Vinkius subscription with a valid endpoint token

1

Open Claude Desktop Settings

Click the menu icon at the top-left corner, go to Settings → Developer → Edit Config. This opens claude_desktop_config.json in your default text editor.
2

Paste the LEAP Legal MCP configuration

Copy the JSON snippet on the right into the mcpServers object. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Restart Claude Desktop

Close and reopen the application. Claude needs a full restart to load new MCPs — refreshing a conversation is not enough.
4

Verify the connection

Open a new conversation. Click the 🔌 icon at the bottom of the message input. You should see tools listed under leap-legal-1-mcp.

json

{
  "mcpServers": {
    "leap-legal-1-mcp": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

Get your connection token →

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by LEAP Legal. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

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Common questions about LEAP Legal MCP in Claude Desktop

Use the `list_matters` tool on the MCP server to search your active cases. Claude Desktop displays the matter IDs, which you then pass to `get_matter_details` to read the full case history.

Yes. You use `update_existing_card` to modify phone numbers, addresses, or emails, or `create_new_card` to add new contacts directly from your Claude Desktop chat window.

Yes. The `get_matter_documents_only` tool lists all documents linked to a case, and `get_matter_correspondence` retrieves letters, emails, and court filings for Claude Desktop to analyze.

Use `list_legal_matter_types` and specify your target country code like US or AU. This ensures you only create or view matters that match local jurisdiction rules.

Your contact cards, matter files, and correspondence stay inside the V8 Isolate sandbox. Vinkius handles the API token securely, preventing raw LEAP Legal credentials from exposing to the browser or external logs.

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