Bring Data Breach
to LangChain
Create your Vinkius account to connect Have I Been Pwned to LangChain and start using all 5 AI tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code. No hosting, no server setup — just connect and start using.
GDPR Free for SubscribersCompatible with every major AI agent and IDE
Gemini
What is the Have I Been Pwned MCP Server?
Connect your AI agent to Have I Been Pwned, the internet's most trusted resource for tracking data breaches. Protect yourself by staying informed about where your sensitive information may have been leaked.
What you can do
- Account Search — Instantly check if an email or username has been involved in any of the thousands of tracked data breaches
- Paste Search — Discover if your information is circulating on public paste sites (like Pastebin)
- Password Safety — Safely verify if a password has ever appeared in a breach using the secure K-Anonymity model (your full password is never sent to the server)
- Breach Catalog — Explore the full history of major internet data breaches, including what types of data were stolen (passwords, emails, phone numbers, etc.)
How it works
- Subscribe to this server
- Enter your HIBP API Key (available at haveibeenpwned.com/API/Key)
- Start auditing your digital safety through chat
Who is this for?
- Security-Conscious Users — monitor personal or family accounts for leaks
- IT Professionals — check for corporate domain or account compromises
- Researchers — analyze trends and impact of major data breaches
Built-in capabilities (5)
Uses k-anonymity; your full password is never sent to the server. Check if a password has ever appeared in a data breach (safe, k-anonymity search)
Get details for a specific data breach by name
List all data breaches currently recorded in the system
Search for all data breaches an email or account has been involved in
Search for all public pastes (like Pastebin) containing the email or account
Why LangChain?
LangChain's ecosystem of 500+ components combines seamlessly with Have I Been Pwned 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.
- —
The largest ecosystem of integrations, chains, and agents. combine Have I Been Pwned 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 Have I Been Pwned queries for multi-turn workflows
Have I Been Pwned in LangChain
Why run Have I Been Pwned with Vinkius?
The Have I Been Pwned connection runs on our fully managed, secure cloud infrastructure. We handle the hosting, maintenance, and security so you don't have to deal with servers or code. All 5 tools are ready to work instantly without any complex setup.
You stay in complete control of your data. Your AI only accesses the information you approve, keeping your sensitive passwords and private details completely safe. Plus, with automatic optimizations, your AI works faster and more efficiently.
* Every connection is hosted and maintained by Vinkius. We handle the security, updates, and infrastructure so you don't have to write code or manage servers. See our infrastructure
Over 4,000 integrations ready for AI agents
Explore a vast library of pre-built integrations, optimized and ready to deploy.
Connect securely in under 30 seconds
Generate tokens to authenticate and link external services in a single step.
Complete visibility into every agent action
Audit live requests, latency, success rates, and active security compliance policies.
Optimize spending and track token ROI
Analyze real-time token consumption and cost metrics detailed by connection.
Explore our live AI Agents Analytics dashboard to see it all working
This dashboard is included when you connect Have I Been Pwned using Vinkius. You will never be left in the dark about what your AI agents are doing with your tools.
Have I Been Pwned and 4,000+ other AI tools. No hosting, no code, ready to use.
Professionals who connect Have I Been Pwned to LangChain through Vinkius don't need to write code, manage servers, or worry about security. Everything is pre-configured, secure, and runs automatically in the background.
Raw MCP | Vinkius | |
|---|---|---|
| Ready-to-use MCPs | Find and configure each manually | 4,000+ MCPs ready to use |
| Connection Setup | Manual coding & server setup | 1-click instant connection |
| Server Hosting | You host it yourself (needs 24/7 uptime) | 100% hosted & managed by Vinkius |
| Security & Privacy | Stored in plaintext config files | Bank-grade encrypted vault |
| Activity Visibility | Blind execution (no logs or tracking) | Live dashboard with real-time logs |
| Cost Control | Runaway AI token spend risk | Automatic budget limits |
| Revoking Access | Must delete files or code to stop | 1-click disconnect button |
How Vinkius secures
Have I Been Pwned for LangChain
Every request between LangChain and Have I Been Pwned is protected by our secure gateway. We automatically keep your sensitive data private, prevent unauthorized access, and let you disconnect instantly at any time.
Frequently asked questions
Is it safe to check my password using this tool?
Yes. This agent uses the K-Anonymity model. Only the first 5 characters of your password's SHA-1 hash are sent to the HIBP server. The full password or full hash never leaves your local environment, making it cryptographically safe.
Where can I get an API Key?
You can purchase an API key directly from the HIBP website. It requires a small monthly subscription to prevent mass scraping and abuse.
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.
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.
MultiServerMCPClient not found
Install: pip install langchain-mcp-adapters
Explore More MCP Servers
View all →
Zoho Creator
12 toolsLow-code platform to build applications and manage records with AI using Creator API v2.1.
Foursquare
10 toolsEmpower location intelligence via Foursquare — search millions of places, retrieve rich venue details and photos, and discover nearby POIs directly from any AI agent.
Baseten
6 toolsManage your Baseten AI models — orchestrate deployments, list secrets, and run serverless inference predictions autonomously.
Firecrawl Alternative
6 toolsScrape and crawl the web — audit website content and maps via AI.