Obsidian Publish MCP Server for LangChain 5 tools — connect in under 2 minutes
LangChain is the leading Python framework for composable LLM applications. Connect Obsidian Publish 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({
"obsidian-publish": {
"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 Obsidian Publish, 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 Obsidian Publish MCP Server
Connect your Obsidian Publish environment to your AI agent and construct an intelligent oracle that reads smoothly from your personal or corporate markdown knowledge base.
LangChain's ecosystem of 500+ components combines seamlessly with Obsidian Publish through native MCP adapters. Connect 5 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
- Vault Crawling — Programmatically fetch your entire published vault structure utilizing
list_filesandlist_navigationto build contextual trees. - Direct Note Access — Execute
get_fileto stream the complete raw markdown contents of any note directly into your chat workflow for fast summarization. - Metadata Operations — Use
get_metadatato retrieve frontmatter properties, tags, and internal link logic mapped by Obsidian. - Site Auditing — Easily ping
site_infoto ensure connectivity and verify the deployment status of your target Obsidian publish endpoint.
The Obsidian Publish MCP Server exposes 5 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 Obsidian Publish to LangChain via MCP
Follow these steps to integrate the Obsidian Publish 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 5 tools from Obsidian Publish via MCP
Why Use LangChain with the Obsidian Publish MCP Server
LangChain provides unique advantages when paired with Obsidian Publish through the Model Context Protocol.
The largest ecosystem of integrations, chains, and agents. combine Obsidian Publish 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 Obsidian Publish queries for multi-turn workflows
Obsidian Publish + LangChain Use Cases
Practical scenarios where LangChain combined with the Obsidian Publish MCP Server delivers measurable value.
RAG with live data: combine Obsidian Publish tool results with vector store retrievals for answers grounded in both real-time and historical data
Autonomous research agents: LangChain agents query Obsidian Publish, synthesize findings, and generate comprehensive research reports
Multi-tool orchestration: chain Obsidian Publish tools with web scrapers, databases, and calculators in a single agent run
Production monitoring: use LangSmith to trace every Obsidian Publish tool call, measure latency, and optimize your agent's performance
Obsidian Publish MCP Tools for LangChain (5)
These 5 tools become available when you connect Obsidian Publish to LangChain via MCP:
get_file
Retrieve exact textual file content and binary assets
get_metadata
Extract internal creation hashes mapping a specific Markdown page
list_files
List all explicitly published raw file paths across the Obsidian workspace
list_navigation
Visualize structurally formatted Markdown navigation trees
site_info
Identify global configuration and styling mapping the site
Example Prompts for Obsidian Publish in LangChain
Ready-to-use prompts you can give your LangChain agent to start working with Obsidian Publish immediately.
"Check the vault and list all the files currently publicly available."
"Read the contents of 'System Requirements 2026.md'."
"Fetch the metadata and tags applied to my 'Inbox' note."
Troubleshooting Obsidian Publish MCP Server with LangChain
Common issues when connecting Obsidian Publish to LangChain through the Vinkius, and how to resolve them.
MultiServerMCPClient not found
pip install langchain-mcp-adaptersObsidian Publish + LangChain FAQ
Common questions about integrating Obsidian Publish 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 Obsidian Publish 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 Obsidian Publish to LangChain
Get your token, paste the configuration, and start using 5 tools in under 2 minutes. No API key management needed.
