What features of MyCase are available through this API?

The API provides access to: Matters/Cases (CRUD operations), Contacts/Clients (create and list), Documents (list by matter), Time Entries (list and create), Calendar Events (list), Invoices (list and get details), and Payments (list). You can search matters by keyword, filter by status and practice area, and view all cases for a specific client.

How do I get a MyCase API key?

Log in to your MyCase account at mycase.com, navigate to Settings → API or Integrations, and generate an API key. The key gives you access to your firm's case data, client information, time entries, and billing data. Contact MyCase support if you don't see the API option in your account.

Can I create new cases and clients through the API?

Yes! You can create new matters/cases with title, client assignment, status, and practice area. You can also create new contacts/clients with name, email, phone, and contact type (client, opposing party, witness, etc.). Use `create_mycase_matter` and `create_mycase_contact` tools for these operations.

How do I track billable time with MyCase API?

Use `create_mycase_time_entry` to log time against any case. Provide the matter ID, description of work, and duration in minutes. You can specify whether the entry is billable and set a custom hourly rate. Use `list_mycase_time_entries` to view all time logged against a specific case.

MyCase Legal MCP Server for LangChain 16 tools — connect in under 2 minutes

Name: MyCase Legal
Availability: InStock
Author: Vinkius

python.langchain.com/docs/integrations/tools/mcp

Built by Vinkius GDPR 16 Tools Framework

LangChain is the leading Python framework for composable LLM applications. Connect MyCase Legal through Vinkius and LangChain agents can call every tool natively. combine them with retrievers, memory, and output parsers for sophisticated AI pipelines.

Get MCP Server for AI Agents

ASK AI ABOUT THIS MCP SERVER

Open in ChatGPT Open in Claude Open in Perplexity

Vinkius supports streamable HTTP and SSE.

python

import asyncio
from langchain_mcp_adapters.client import MultiServerMCPClient
from langchain_openai import ChatOpenAI
from langgraph.prebuilt import create_react_agent

async def main():
    # Your Vinkius token. get it at cloud.vinkius.com
    async with MultiServerMCPClient({
        "mycase-legal": {
            "transport": "streamable_http",
            "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
        }
    }) as client:
        tools = client.get_tools()
        agent = create_react_agent(
            ChatOpenAI(model="gpt-4o"),
            tools,
        )
        response = await agent.ainvoke({
            "messages": [{
                "role": "user",
                "content": "Using MyCase Legal, show me what tools are available.",
            }]
        })
        print(response["messages"][-1].content)

asyncio.run(main())

Fully ManagedVinkius Servers

60%Token savings

High SecurityEnterprise-grade

IAMAccess control

EU AI ActCompliant

DLPData protection

V8 IsolateSandboxed

Ed25519Audit chain

<40msKill switch

Stream every event to Splunk, Datadog, or your own webhook in real-time

* 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 MyCase Legal MCP Server

Connect to MyCase legal practice management platform and manage your entire law practice from any AI agent. Access cases/matters, clients, documents, time entries, calendar events, invoices, and payments—all through a unified API.

LangChain's ecosystem of 500+ components combines seamlessly with MyCase Legal through native MCP adapters. Connect 16 tools via Vinkius and use ReAct agents, Plan-and-Execute strategies, or custom agent architectures. with LangSmith tracing giving full visibility into every tool call, latency, and token cost.

What you can do

Matters/Cases — List, search, create, and update legal cases with status, practice area, and client info
Contacts/Clients — Manage your client database including name, email, phone, and address
Client Portfolio — View all cases associated with a specific client
Documents — Access case documents, filings, correspondence, and evidence
Time Tracking — Log billable and non-billable time entries against any case
Calendar — View court dates, hearings, deadlines, and meetings
Invoices — List and review invoices with amounts, status, and line items
Payments — Track payments received from clients
Search — Search cases by keyword across titles, client names, and descriptions

The MyCase Legal MCP Server exposes 16 tools through the Vinkius. Connect it to LangChain 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 MyCase Legal to LangChain via MCP

Follow these steps to integrate the MyCase Legal MCP Server with LangChain.

Install dependencies

Run pip install langchain langchain-mcp-adapters langgraph langchain-openai

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token

Run the agent

Save the code and run python agent.py

Explore tools

The agent discovers 16 tools from MyCase Legal via MCP

Why Use LangChain with the MyCase Legal MCP Server

LangChain provides unique advantages when paired with MyCase Legal through the Model Context Protocol.

The largest ecosystem of integrations, chains, and agents. combine MyCase Legal MCP tools with 500+ LangChain components

Agent architecture supports ReAct, Plan-and-Execute, and custom strategies with full MCP tool access at every step

LangSmith tracing gives you complete visibility into tool calls, latencies, and token usage for production debugging

Memory and conversation persistence let agents maintain context across MyCase Legal queries for multi-turn workflows

MyCase Legal + LangChain Use Cases

Practical scenarios where LangChain combined with the MyCase Legal MCP Server delivers measurable value.

RAG with live data: combine MyCase Legal tool results with vector store retrievals for answers grounded in both real-time and historical data

Autonomous research agents: LangChain agents query MyCase Legal, synthesize findings, and generate comprehensive research reports

Multi-tool orchestration: chain MyCase Legal tools with web scrapers, databases, and calculators in a single agent run

Production monitoring: use LangSmith to trace every MyCase Legal tool call, measure latency, and optimize your agent's performance

MyCase Legal MCP Tools for LangChain (16)

These 16 tools become available when you connect MyCase Legal to LangChain via MCP:

create_mycase_contact

USE WHEN: - User wants to add a new client - User needs to create a new contact record - User asks to "add a new client" or "create a contact" PARAMETERS: - given_name (REQUIRED): Client's first name - family_name (REQUIRED): Client's last name - email (OPTIONAL): Client's email address - phone (OPTIONAL): Client's phone number - type (OPTIONAL): Contact type — "client" (default), "opposing_party", "witness", "other" EXAMPLES: - "Add a new client John Smith" → call with given_name="John", family_name="Smith" - "Create contact for opposing party Jane Doe, jane@example.com" → call with given_name="Jane", family_name="Doe", email="jane@example.com", type="opposing_party" Create a new contact/client in MyCase

create_mycase_matter

USE WHEN: - User wants to open a new legal case - User needs to create a new matter for a client - User asks to "create a new case" or "open a matter" PARAMETERS: - title (REQUIRED): Matter/case title - client_id (REQUIRED): ID of the client this matter belongs to - status (OPTIONAL): Initial status — "open" (default), "closed", "archived", "on_hold" - practice_area (OPTIONAL): Practice area (e.g. "Family Law", "Criminal Defense") - description (OPTIONAL): Matter description/notes EXAMPLES: - "Create a new case for client 123 titled 'Smith Divorce'" → call with title="Smith Divorce", client_id="123" - "Open a new criminal defense matter for client 456" → call with title="State v. Johnson", client_id="456", practice_area="Criminal Defense" Create a new case/matter in MyCase

create_mycase_time_entry

USE WHEN: - User wants to log time spent on a case - User needs to record billable hours - User asks to "add time entry" or "log hours" PARAMETERS: - matter_id (REQUIRED): Matter/case ID this time entry belongs to - description (REQUIRED): Description of the work performed - duration_minutes (REQUIRED): Duration in minutes - billable (OPTIONAL): Whether this is billable — true (default) or false - rate (OPTIONAL): Hourly rate for this entry EXAMPLES: - "Log 2 hours of research for case 123" → call with matter_id="123", description="Legal research", duration_minutes=120 - "Add 30 minute phone call with client" → call with matter_id="123", description="Phone call with client", duration_minutes=30 Create a new time entry for billing

get_client_mycase_cases

Useful for understanding a client's full legal portfolio. Get all cases/matters for a specific client

get_mycase_contact

Get detailed information for a specific contact/client

get_mycase_invoice

Get detailed information for a specific invoice

get_mycase_matter

Get detailed information for a specific case/matter

list_mycase_calendar_events

List calendar events for the law firm

list_mycase_contacts

USE WHEN: - User wants to see all their clients and contacts - User needs to find a client by name or email - User is exploring their contact database - User asks "list my clients" or "show all contacts" PARAMETERS: - page (OPTIONAL): Page number for pagination - page_size (OPTIONAL): Results per page (default: 25, max: 100) EXAMPLES: - "List all my clients" → call with no params - "Show my contacts" → call with no params - "List clients page 2" → call with page="2" List all contacts/clients in MyCase

list_mycase_documents

List documents for a specific case/matter

list_mycase_invoices

List invoices for the law firm

list_mycase_matters

Essential for case management and tracking. USE WHEN: - User wants to see all their legal cases/matters - User needs to find cases by status (open, closed, archived, on hold) - User is exploring their law firm's caseload - User asks "what cases do I have" or "list my open matters" PARAMETERS: - status (OPTIONAL): Filter by status — "open", "closed", "archived", "on_hold" - practice_area (OPTIONAL): Filter by practice area (e.g. "Family Law", "Criminal Defense") - client_id (OPTIONAL): Filter by specific client ID - page (OPTIONAL): Page number for pagination - page_size (OPTIONAL): Results per page (default: 25, max: 100) EXAMPLES: - "List all my open cases" → call with status="open" - "Show my family law matters" → call with practice_area="Family Law" - "List all matters" → call with no params List all cases/matters in MyCase legal practice management

list_mycase_payments

List payments received by the law firm

list_mycase_time_entries

List time entries for a specific case/matter

search_mycase_matters

Search cases/matters by keyword query

update_mycase_matter

Update an existing case/matter in MyCase

Example Prompts for MyCase Legal in LangChain

Ready-to-use prompts you can give your LangChain agent to start working with MyCase Legal immediately.

"List all my open cases in MyCase."

"Create a new time entry for 2 hours of legal research on the Smith Divorce case."

"Show me all cases for client John Smith."

Troubleshooting MyCase Legal MCP Server with LangChain

Common issues when connecting MyCase Legal to LangChain through the Vinkius, and how to resolve them.

MultiServerMCPClient not found

Install: pip install langchain-mcp-adapters

MyCase Legal + LangChain FAQ

Common questions about integrating MyCase Legal MCP Server with LangChain.

How does LangChain connect to MCP servers?

Use langchain-mcp-adapters to create an MCP client. LangChain discovers all tools and wraps them as native LangChain tools compatible with any agent type.

Which LangChain agent types work with MCP?

All agent types including ReAct, OpenAI Functions, and custom agents work with MCP tools. The tools appear as standard LangChain tools after the adapter wraps them.