Hanko (Passkey Auth) MCP Server for LangChainGive LangChain instant access to 15 tools to Admin Create User, Admin Get User, Admin List User Credentials, and more
GDPR Free for SubscribersLangChain is the leading Python framework for composable LLM applications. Connect Hanko (Passkey Auth) 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 for LangChain
The Hanko (Passkey Auth) MCP Server for LangChain is a standout in the Developer Tools category — giving your AI agent 15 tools to work with, ready to go from day one.
Vinkius delivers Streamable HTTP and SSE to any MCP client
Geminiimport 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({
"hanko-passkey-auth": {
"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 Hanko (Passkey Auth), 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 Hanko (Passkey Auth) MCP Server
Connect your Hanko instance to any AI agent to streamline passkey-based authentication and user management. This server provides a comprehensive interface for WebAuthn flows and administrative user operations.
LangChain's ecosystem of 500+ components combines seamlessly with Hanko (Passkey Auth) through native MCP adapters. Connect 15 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
- Passkey Lifecycle — Initialize and finalize WebAuthn registration and login flows for secure, passwordless access.
- Credential Management — List and delete registered WebAuthn credentials for specific users.
- User Administration — Create, retrieve, and list users and their associated credentials via admin tools.
- Transaction Security — Initialize and finalize passkey-signed transactions for sensitive operations like payments.
- Session Validation — Publicly validate sessions and retrieve JWKS for token verification.
The Hanko (Passkey Auth) MCP Server exposes 15 tools through the Vinkius. Connect it to LangChain in under two minutes — credentials fully managed, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.
All 15 Hanko (Passkey Auth) tools available for LangChain
When LangChain connects to Hanko (Passkey Auth) through Vinkius, your AI agent gets direct access to every tool listed below — spanning authentication, passkeys, passwordless, and more. Every call runs in a secure, isolated environment with full audit visibility. Beyond a simple connection, you get real-time monitoring of agent activity, enterprise governance, and optimized token usage.
Admin create user on Hanko (Passkey Auth)
Create a new user via Admin API
Admin get user on Hanko (Passkey Auth)
Get a user by ID via Admin API
Admin list user credentials on Hanko (Passkey Auth)
List WebAuthn credentials for a user via Admin API
Admin list users on Hanko (Passkey Auth)
List users via Admin API
Flow execute on Hanko (Passkey Auth)
Execute a Hanko Flow action
Passkey delete credential on Hanko (Passkey Auth)
Delete a WebAuthn credential
Passkey list credentials on Hanko (Passkey Auth)
List WebAuthn credentials for a user
Passkey login finalize on Hanko (Passkey Auth)
Finalize a passkey login
Passkey login init on Hanko (Passkey Auth)
Returns publicKey options for navigator.credentials.get(). Initialize a passkey login
Passkey registration finalize on Hanko (Passkey Auth)
Finalize a passkey registration
Passkey registration init on Hanko (Passkey Auth)
Returns publicKey options for navigator.credentials.create(). Initialize a passkey registration
Passkey transaction finalize on Hanko (Passkey Auth)
Finalize a passkey transaction
Passkey transaction init on Hanko (Passkey Auth)
g., payment confirmation) for an existing user. Initialize a passkey transaction
Public get jwks on Hanko (Passkey Auth)
Get JSON Web Key Set (JWKS)
Public validate session on Hanko (Passkey Auth)
Validate a Hanko session token
Connect Hanko (Passkey Auth) to LangChain via MCP
Follow these steps to wire Hanko (Passkey Auth) into LangChain. The entire setup takes under two minutes — your credentials stay safe behind Vinkius.
Install dependencies
pip install langchain langchain-mcp-adapters langgraph langchain-openaiReplace the token
[YOUR_TOKEN_HERE] with your Vinkius tokenRun the agent
python agent.pyExplore tools
Why Use LangChain with the Hanko (Passkey Auth) MCP Server
LangChain provides unique advantages when paired with Hanko (Passkey Auth) through the Model Context Protocol.
The largest ecosystem of integrations, chains, and agents. combine Hanko (Passkey Auth) 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 Hanko (Passkey Auth) queries for multi-turn workflows
Hanko (Passkey Auth) + LangChain Use Cases
Practical scenarios where LangChain combined with the Hanko (Passkey Auth) MCP Server delivers measurable value.
RAG with live data: combine Hanko (Passkey Auth) tool results with vector store retrievals for answers grounded in both real-time and historical data
Autonomous research agents: LangChain agents query Hanko (Passkey Auth), synthesize findings, and generate comprehensive research reports
Multi-tool orchestration: chain Hanko (Passkey Auth) tools with web scrapers, databases, and calculators in a single agent run
Production monitoring: use LangSmith to trace every Hanko (Passkey Auth) tool call, measure latency, and optimize your agent's performance
Example Prompts for Hanko (Passkey Auth) in LangChain
Ready-to-use prompts you can give your LangChain agent to start working with Hanko (Passkey Auth) immediately.
"Initialize a passkey registration for user 'user_789' with username 'alice_dev'."
"List all registered credentials for user ID 'usr_12345'."
"Create a new user in Hanko with the ID 'new_customer_001'."
Troubleshooting Hanko (Passkey Auth) MCP Server with LangChain
Common issues when connecting Hanko (Passkey Auth) to LangChain through Vinkius, and how to resolve them.
MultiServerMCPClient not found
pip install langchain-mcp-adaptersHanko (Passkey Auth) + LangChain FAQ
Common questions about integrating Hanko (Passkey Auth) 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?
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