Bring Public Records
to LangChain
Create your Vinkius account to connect GovInfo to LangChain and start using all 8 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 GovInfo MCP Server?
Connect to the official GovInfo API and empower your AI agent with direct access to official publications from all three branches of the US Federal Government. Query congressional bills, federal regulations, court opinions, and presidential documents using natural language without navigating complex government databases.
What you can do
- Document Discovery — List available document collections and find specific packages based on date ranges or collection codes (e.g., BILLS, FR, CHRG)
- Deep Search — Perform complex searches across the entire GovInfo database to find relevant legislative or regulatory documents
- Daily Updates — Retrieve a list of all documents officially published on a specific date
- Metadata Extraction — Get detailed summary metadata for specific packages or their sub-documents (granules)
- Contextual Relationships — Discover related documents to understand the legislative or regulatory history of a specific bill or rule
How it works
- Subscribe to this server
- Enter your free API key from api.data.gov
- Start querying government documents from Claude, Cursor, or any MCP-compatible client
Your AI agent acts as a dedicated research assistant, capable of instantly locating the exact federal document you need for compliance, research, or legal analysis.
Who is this for?
- Legal & Compliance Teams — quickly locate specific Federal Register notices or track the progress of congressional bills
- Researchers & Journalists — retrieve official court opinions and presidential documents directly into your workspace
- Policy Analysts — monitor daily government publications and discover related documents for comprehensive policy tracking
Built-in capabilities (8)
Get packages within a collection by date range
Get summary metadata for a specific granule
Get summary metadata for a specific package
Get documents published on a specific date
Get documents related to a specific package
List available document collections
List granules (sub-documents) for a package
Search documents via the GovInfo Search API
Why LangChain?
LangChain's ecosystem of 500+ components combines seamlessly with GovInfo through native MCP adapters. Connect 8 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.
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The largest ecosystem of integrations, chains, and agents. combine GovInfo MCP tools with 500+ LangChain components
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Agent architecture supports ReAct, Plan-and-Execute, and custom strategies with full MCP tool access at every step
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LangSmith tracing gives you complete visibility into tool calls, latencies, and token usage for production debugging
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Memory and conversation persistence let agents maintain context across GovInfo queries for multi-turn workflows
GovInfo in LangChain
Why run GovInfo with Vinkius?
The GovInfo 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 8 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 GovInfo using Vinkius. You will never be left in the dark about what your AI agents are doing with your tools.
GovInfo and 4,000+ other AI tools. No hosting, no code, ready to use.
Professionals who connect GovInfo 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
GovInfo for LangChain
Every request between LangChain and GovInfo 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
What kind of documents can I find on GovInfo?
GovInfo provides access to a vast array of federal documents, including Congressional Bills (BILLS), the Federal Register (FR), Code of Federal Regulations (CFR), United States Courts Opinions (USCOURTS), and Presidential Documents (CPD). Use the list_collections tool to see all available categories.
How do I find the actual text or PDF of a document?
The get_package_summary tool returns metadata which includes download links (URLs) for various formats like PDF, XML, or Text. You can then use those links to access the full document.
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
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