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Slab MCP Server for LangChain 12 tools — connect in under 2 minutes

Built by Vinkius GDPR 12 Tools Framework

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

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({
        "slab": {
            "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 Slab, show me what tools are available.",
            }]
        })
        print(response["messages"][-1].content)

asyncio.run(main())
Slab
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* 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 Slab MCP Server

Connect your Slab workspace to any AI agent and empower your team to search, read, and write documentation seamlessly. Interact with your organization's entire knowledge base through natural language without ever switching tabs.

LangChain's ecosystem of 500+ components combines seamlessly with Slab through native MCP adapters. Connect 12 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

  • Deep Search & Retrieval — Execute full-text searches across all Slab posts to fetch answers, guidelines, and protocols instantly
  • Documentation Authoring — Create new articles, meeting notes, or project specs in Markdown, and update existing posts on the fly
  • Information Architecture — Browse all your topics (folders) to understand how the company wiki is structured and fetch categorized articles
  • Activity Feeds — Pull the most recently updated posts to stay on top of new company policies and documentation changes
  • Team Discovery — Retrieve organization metadata and list all registered team members

The Slab MCP Server exposes 12 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 Slab to LangChain via MCP

Follow these steps to integrate the Slab MCP Server with LangChain.

01

Install dependencies

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

02

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token

03

Run the agent

Save the code and run python agent.py

04

Explore tools

The agent discovers 12 tools from Slab via MCP

Why Use LangChain with the Slab MCP Server

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

01

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

02

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

03

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

04

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

Slab + LangChain Use Cases

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

01

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

02

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

03

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

04

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

Slab MCP Tools for LangChain (12)

These 12 tools become available when you connect Slab to LangChain via MCP:

01

archive_post

This action is irreversible via API. Archive an existing Slab post

02

create_post

Provide content in Markdown. Create a new wiki post in Slab

03

create_topic

Create a new topic in Slab to organize posts

04

get_organization

Retrieve the Slab organization profile

05

get_post_details

Retrieve the full content and metadata of a specific Slab post

06

get_topic_details

Retrieve details and list of posts for a specific Slab topic

07

list_posts

Returns post IDs and titles. List all wiki posts/articles in the Slab workspace

08

list_recent_posts

List the most recently updated posts

09

list_topics

List all topics organizing posts in the Slab workspace

10

list_users

List all members of the Slab organization

11

search_posts

Full-text search across all Slab posts

12

update_post

Update an existing Slab post title or content

Example Prompts for Slab in LangChain

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

01

"Search the Slab wiki for 'VPN Setup Instructions'."

02

"Create a new topic named 'Q3 Planning' and list the ID so I can save posts to it."

03

"List the most recent 5 posts updated in the company wiki."

Troubleshooting Slab MCP Server with LangChain

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

01

MultiServerMCPClient not found

Install: pip install langchain-mcp-adapters

Slab + LangChain FAQ

Common questions about integrating Slab MCP Server with LangChain.

01

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.
02

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.
03

Can I trace MCP tool calls in LangSmith?

Yes. All MCP tool invocations appear as traced steps in LangSmith, showing input parameters, response payloads, latency, and token usage.

Connect Slab to LangChain

Get your token, paste the configuration, and start using 12 tools in under 2 minutes. No API key management needed.