Structured MCP Server for LangChain 9 tools — connect in under 2 minutes
LangChain is the leading Python framework for composable LLM applications. Connect Structured through Vinkius and LangChain agents can call every tool natively. combine them with retrievers, memory, and output parsers for sophisticated AI pipelines.
ASK AI ABOUT THIS MCP SERVER
Vinkius supports streamable HTTP and SSE.
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({
"structured": {
"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 Structured, show me what tools are available.",
}]
})
print(response["messages"][-1].content)
asyncio.run(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 Structured MCP Server
Integrate the powerful tracking of the Structured daily planner directly into your conversational AI environment. Empower your productivity by allowing your LLM to intuitively create tasks, schedule complex recurring routines, and manage your day programmatically without opening the mobile app. With this MCP connector securely attached to your Structured Pro environment, your agent can serve as an active scheduling assistant, iterating dynamically through your agenda, parsing task structures, and executing adjustments organically.
LangChain's ecosystem of 500+ components combines seamlessly with Structured through native MCP adapters. Connect 9 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
- Agenda Discovery — Audit your scheduled events querying active records using
list_tasksand retrieve deep metadata specific assignments utilizingget_task_details. - Task Orchestration — Drive agile agenda resolutions adding new items seamlessly executing
create_taskor adjusting timelines usingupdate_task. - Routine Management — Check your active multi-step routines effectively through
list_plansand isolate their specific structural constraints engagingget_plan_details. - Profile Validations — Safely extract your user metadata boundaries and operational statuses natively invoking
get_user_profile.
The Structured MCP Server exposes 9 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 Structured to LangChain via MCP
Follow these steps to integrate the Structured 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 9 tools from Structured via MCP
Why Use LangChain with the Structured MCP Server
LangChain provides unique advantages when paired with Structured through the Model Context Protocol.
The largest ecosystem of integrations, chains, and agents. combine Structured 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 Structured queries for multi-turn workflows
Structured + LangChain Use Cases
Practical scenarios where LangChain combined with the Structured MCP Server delivers measurable value.
RAG with live data: combine Structured tool results with vector store retrievals for answers grounded in both real-time and historical data
Autonomous research agents: LangChain agents query Structured, synthesize findings, and generate comprehensive research reports
Multi-tool orchestration: chain Structured tools with web scrapers, databases, and calculators in a single agent run
Production monitoring: use LangSmith to trace every Structured tool call, measure latency, and optimize your agent's performance
Structured MCP Tools for LangChain (9)
These 9 tools become available when you connect Structured to LangChain via MCP:
create_plan
Creates a new plan
create_task
Provide a title and optional start time. Creates a new task in Structured
delete_task
This action is irreversible. Permanently deletes a task
get_plan_details
Retrieves details for a specific plan
get_task_details
Retrieves details for a specific task
get_user_profile
Retrieves the current user profile
list_plans
Lists all structured plans
list_tasks
Lists all tasks in Structured
update_task
Updates an existing task
Example Prompts for Structured in LangChain
Ready-to-use prompts you can give your LangChain agent to start working with Structured immediately.
"Assess my active Structured environment, listing today's pending tasks, and mark the scheduled meeting block as successfully completed."
"List all active plans for the week, and display the detailed constraints of the 'Morning Focus' routine."
"Read my user profile cleanly to extract my workspace validation level and operational timezone."
Troubleshooting Structured MCP Server with LangChain
Common issues when connecting Structured to LangChain through the Vinkius, and how to resolve them.
MultiServerMCPClient not found
pip install langchain-mcp-adaptersStructured + LangChain FAQ
Common questions about integrating Structured MCP Server with LangChain.
How does LangChain connect to MCP servers?
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?
Can I trace MCP tool calls in LangSmith?
Connect Structured 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 Structured to LangChain
Get your token, paste the configuration, and start using 9 tools in under 2 minutes. No API key management needed.
