Federal Register MCP for AI. Track every federal rule, notice, and agency profile.
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Federal Register MCP gives your AI client direct access to U.S. government regulations and public notices. You can search millions of published rules, track specific agencies, and view documents pending official publication without navigating complex government portals.
What your AI can do
Get agency
Fetches the profile and details for one federal agency, given its slug.
Get current public inspection
Retrieves a list of all documents currently available on the public inspection desk.
Get document
Fetches the full details for one specific document that has been published in the Federal Register.
Find documents across millions of records using filters like agency name, date range, or document type.
Access the 'Public Inspection' desk to retrieve documents scheduled for publication before they are officially released.
List all operational federal agencies and pull detailed profiles, including their recent regulatory history.
Fetch a single published or public inspection document using its specific identifiers.
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Federal Register MCP with 9 Tools
These tools allow you to systematically list, search, retrieve, and profile every major component of the Federal Register database.
Make your AI actually useful.
Add this MCP to Claude, Cursor, or Windsurf and your AI stops guessing. It gets real tools to look things up, take action, and handle the stuff you keep doing by hand.
Start using Federal Register on VinkiusGet Agency
Fetches the profile and details for one federal agency, given its slug.
Get Current Public Inspection
Retrieves a list of all documents currently available on the public inspection desk.
Get Document
Fetches the full details for one specific document that has been published in the...
Get Multiple Documents
Retrieves a batch of multiple published documents when you know their IDs or range.
Get Public Inspection By Date
Gets all public inspection documents that were filed on one specific day.
Get Public Inspection Document
Fetches the full details for a single document found in the public inspection queue.
List Agencies
Provides a complete list of all federal agencies tracked by the service.
Search Documents
Searches through millions of published Federal Register documents using keywords...
Search Public Inspection
Searches the public inspection queue for specific document titles or content...
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Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Federal Register. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.
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Works with Claude, ChatGPT, Cursor, and more
The Model Context Protocol standardizes how applications expose capabilities to LLMs. Instead of operating in isolation, your AI gains direct access to external platforms, live data, and real-world actions through secure, standardized connections.
This connection provides 9 powerful capabilities that interface natively with Claude, ChatGPT, Cursor, and other compatible AI platforms. No middleware. No custom integration required.
Tracking federal regulations used to be a manual nightmare.
Before this MCP, tracking regulatory changes meant navigating dozens of separate government websites. You’d start by finding the agency, clicking into their specific rule section, manually applying date filters, and then cross-referencing document IDs across multiple tabs just to build a basic compliance timeline.
Now, you simply ask your agent. It uses the MCP's tools to search through millions of records automatically. You get structured data—the full details of rules or notices—returned immediately so you can focus on analysis, not navigation.
You get immediate visibility into all pending federal filings using `get_current_public_inspection`.
The old way meant relying on published notices which only covered rules that had cleared the system. You could miss critical, unreleased documents entirely, creating compliance blind spots until months later.
With this MCP, you can check the 'Public Inspection' desk directly. This gives you real-time visibility into what is scheduled for publication, letting you react to pending changes before they even become official.
What your AI can actually do with this
The Federal Register tracks every rule change, notice, and proposed regulation from federal agencies. Instead of manually filtering through massive online databases, you connect your AI agent to this MCP. Your agent uses natural language to navigate the entire archive—everything published since 1994. Need to find a specific industry's compliance changes? Ask for them.
Want to see what documents are currently awaiting review before they hit print? The tool gets that list. It also lets you check agency profiles, giving you an overview of their recent regulatory activity and contact info. If your workflow relies on interpreting complex government data, connecting this MCP through the Vinkius catalog is a fast way to get started.
019e3895-a273-7120-b946-e84d515812c6 Here's how it actually works
The bottom line is you talk to your agent like talking to a person, and it handles the complex API calls to pull structured government data.
Subscribe to this MCP via the Vinkius platform.
Connect your AI client (Claude, Cursor, Windsurf, etc.) and authorize access.
Ask your agent a natural language query, such as 'Find all EPA rules regarding water quality from 2022'.
Who is this actually for?
Legal professionals who spend hours manually cross-referencing regulatory changes; compliance officers needing real-time visibility into public filings; policy researchers analyzing historical agency trends.
Uses the MCP to monitor specific Regulation Identifier Numbers (RINs) or CFR titles, ensuring their company stays ahead of mandatory changes.
Employs agency listings and document searches to analyze patterns in how federal bodies issue rules over time.
Retrieves public inspection documents or specific published records to build a timeline of regulatory actions for litigation support.
What Changes When You Connect
Stop sifting through generic search results. Use the search_documents tool to query millions of records using specific filters like RINs or document types.
Stay ahead of filings by checking documents scheduled for publication before they drop. The MCP lets you use get_current_public_inspection to see what's coming next.
Don't waste time guessing agency scope. Running the list_agencies tool gives you a clean, actionable list of all federal bodies you need to track.
Need background on an organization? Use get_agency to get a detailed profile and view its recent regulatory history in one call.
The MCP handles complex data fetching. If you know the exact date range, use get_public_inspection_by_date instead of relying only on keyword searches.
See it in action
Tracking a regulatory overhaul
A compliance officer needs to track changes from three different agencies. They first use list_agencies to get the official slugs, then they run search_documents for each agency's name and a specific topic ('carbon emissions') over the last year to build a complete risk assessment.
Checking pre-publication notices
A legal team needs to see what rules are pending. They use get_current_public_inspection and then narrow it down by date using search_public_inspection, ensuring no key notice is missed before the official publishing date.
Deep dive on a specific rule
A policy researcher finds an interesting document ID. They use get_document to pull the full text details, then use get_agency with the associated agency slug to contextualize it within that body's history.
The honest tradeoffs
Searching by vague topic
Asking your agent generally: 'Tell me about environmental regulations.' This yields too much data, requiring manual filtering for the correct agency or date.
Start with list_agencies to narrow down the source. Then use search_documents and specify both the agency slug AND a keyword like 'water quality' to focus the results.
Missing public filings
Only searching for keywords in published documents, missing rules that are still awaiting final review.
You must check the pending queue. Use get_current_public_inspection to pull records scheduled for publication, then use search_public_inspection to filter those results.
Assuming full access
Trying to retrieve documents without knowing which specific tool is needed (e.g., using a general search when the document is pending).
Determine if the data is already published (use search_documents) or if it's still in review (use get_public_inspection_document). Never assume.
When It Fits, When It Doesn't
Use this MCP when your task requires official, structured government records from the U.S. federal system. If you need to know who published the rule or when it was proposed, this is essential. Don't use it if you are analyzing private company policy documents, academic papers, or general news articles—those require different document storage tools. If your goal is simply 'find a document by title,' try search_documents first; however, if the document is related to regulatory compliance, always check both public search and public inspection status using get_current_public_inspection. Never rely on one tool alone.
Questions you might have
How do I search for rules from a specific agency using `search_documents`? +
You must provide the agency's slug and use filters within your prompt. The system searches across millions of documents, letting you zero in on specific topics or timeframes.
Is there a way to see what documents are pending publication? Use `get_current_public_inspection`. +
Yes. Running the get_current_public_inspection tool shows you everything currently listed on the inspection desk, so you know what's next.
What if I only have a document ID? Can I use `get_document`? +
Absolutely. If you have an exact identifier, running get_document pulls all the necessary publication dates, page ranges, and contact info for that specific record.
How do I find out which agencies are covered? Use the `list_agencies` tool. +
The list_agencies tool provides a complete directory of all federal agencies available in the MCP, giving you a definitive scope for your research.
How do I fetch a batch of published rules using `get_multiple_documents`? +
It retrieves several documents at once. You provide the IDs or criteria, and it returns an array of full document metadata records. This is useful for compiling reports quickly without calling get_document repeatedly.
What if I need to check public inspection status from a specific date? Use `get_public_inspection_by_date`. +
It gets documents that were filed on that exact day. Just input the desired date, and it pulls all records scheduled for publication then. This helps track historical filing patterns or compliance deadlines.
How do I get detailed profile information about one specific agency? Use `get_agency`. +
It fetches the complete profile using the agency's slug. You receive metadata like contact info and a history of their recent regulatory activity. This is faster than listing all agencies just to find one detail.
Can I search for pending rules on a specific topic or keyword? Use `search_public_inspection`. +
Yes, you can filter the public inspection list by keywords or other criteria. This lets you track potential regulations before they are finalized and published anywhere else in the register.
How do I find documents from a specific agency like the FDA? +
First, use the list_agencies tool to find the correct agency slug or ID. Then, use the search_documents tool and provide that slug in the agencies parameter to filter results.
Can I see documents before they are officially published in the daily register? +
Yes! Use the search_public_inspection or get_current_public_inspection tools. These access the 'Public Inspection' desk, which contains documents filed for public review before their formal publication date.
Is it possible to search for documents related to a specific Regulation Identifier Number (RIN)? +
Absolutely. Use the search_documents tool and provide the rin parameter. This will return all published documents associated with that specific regulatory action.
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