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Federal Register MCP Server for Pydantic AIGive Pydantic AI instant access to 9 tools to Get Agency, Get Current Public Inspection, Get Document, and more

MCP Inspector GDPR Free for Subscribers

Pydantic AI brings type-safe agent development to Python with first-class MCP support. Connect Federal Register through Vinkius and every tool is automatically validated against Pydantic schemas. catch errors at build time, not in production.

Ask AI about this MCP Server for Pydantic AI

The Federal Register MCP Server for Pydantic AI is a standout in the Industry Titans category — giving your AI agent 9 tools to work with, ready to go from day one.

Built for AI Agents by Vinkius

Vinkius delivers Streamable HTTP and SSE to any MCP client

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python
import asyncio
from pydantic_ai import Agent
from pydantic_ai.mcp import MCPServerHTTP

async def main():
    # Your Vinkius token. get it at cloud.vinkius.com
    server = MCPServerHTTP(url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp")

    agent = Agent(
        model="openai:gpt-4o",
        mcp_servers=[server],
        system_prompt=(
            "You are an assistant with access to Federal Register "
            "(9 tools)."
        ),
    )

    result = await agent.run(
        "What tools are available in Federal Register?"
    )
    print(result.data)

asyncio.run(main())
Federal Register
Fully ManagedVinkius Servers
60%Token savings
High SecurityEnterprise-grade
IAMAccess control
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DLPData protection
V8 IsolateSandboxed
Ed25519Audit chain
<40msKill switch
Stream every event to Splunk, Datadog, or your own webhook in real-time

* 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 Federal Register MCP Server

Connect your AI agent to the Federal Register and navigate the vast landscape of U.S. government regulations and public notices through natural language.

Pydantic AI validates every Federal Register tool response against typed schemas, catching data inconsistencies at build time. Connect 9 tools through Vinkius and switch between OpenAI, Anthropic, or Gemini without changing your integration code. full type safety, structured output guarantees, and dependency injection for testable agents.

What you can do

  • Document Search — Search through millions of documents published since 1994 using filters like agency, date, document type, and RIN.
  • Public Inspection — Access the 'Public Inspection' desk to see documents scheduled for publication before they officially hit the register.
  • Agency Intelligence — List all federal agencies and retrieve detailed profiles, including their recent regulatory activity and metadata.
  • Regulatory Tracking — Monitor specific dockets, Regulation Identifier Numbers (RIN), and CFR titles/parts to stay ahead of compliance changes.
  • Deep Metadata — Fetch full document details, including publication dates, page ranges, and agency contact information.

The Federal Register MCP Server exposes 9 tools through the Vinkius. Connect it to Pydantic AI in under two minutes — credentials fully managed, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

All 9 Federal Register tools available for Pydantic AI

When Pydantic AI connects to Federal Register through Vinkius, your AI agent gets direct access to every tool listed below — spanning federal-register, government-documents, regulatory-tracking, 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.

get

Get agency on Federal Register

Fetch a single agency by slug

get

Get current public inspection on Federal Register

Retrieve all documents currently on public inspection

get

Get document on Federal Register

Fetch a single published document

get

Get multiple documents on Federal Register

Fetch multiple published documents

get

Get public inspection by date on Federal Register

Retrieve documents on public inspection on a specific date

get

Get public inspection document on Federal Register

Fetch a single public inspection document

list

List agencies on Federal Register

List all federal agencies

search

Search documents on Federal Register

Search published Federal Register documents

search

Search public inspection on Federal Register

Search public inspection documents

Connect Federal Register to Pydantic AI via MCP

Follow these steps to wire Federal Register into Pydantic AI. The entire setup takes under two minutes — your credentials stay safe behind Vinkius.

01

Install Pydantic AI

Run pip install pydantic-ai
02

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token
03

Run the agent

Save to agent.py and run: python agent.py
04

Explore tools

The agent discovers 9 tools from Federal Register with type-safe schemas

Why Use Pydantic AI with the Federal Register MCP Server

Pydantic AI provides unique advantages when paired with Federal Register through the Model Context Protocol.

01

Full type safety: every MCP tool response is validated against Pydantic models, catching data inconsistencies before they reach your application

02

Model-agnostic architecture. switch between OpenAI, Anthropic, or Gemini without changing your Federal Register integration code

03

Structured output guarantee: Pydantic AI ensures tool results conform to defined schemas, eliminating runtime type errors

04

Dependency injection system cleanly separates your Federal Register connection logic from agent behavior for testable, maintainable code

Federal Register + Pydantic AI Use Cases

Practical scenarios where Pydantic AI combined with the Federal Register MCP Server delivers measurable value.

01

Type-safe data pipelines: query Federal Register with guaranteed response schemas, feeding validated data into downstream processing

02

API orchestration: chain multiple Federal Register tool calls with Pydantic validation at each step to ensure data integrity end-to-end

03

Production monitoring: build validated alert agents that query Federal Register and output structured, schema-compliant notifications

04

Testing and QA: use Pydantic AI's dependency injection to mock Federal Register responses and write comprehensive agent tests

Example Prompts for Federal Register in Pydantic AI

Ready-to-use prompts you can give your Pydantic AI agent to start working with Federal Register immediately.

01

"Search for recent 'rule' type documents from the Environmental Protection Agency."

02

"What documents are currently on the public inspection desk for today?"

03

"Get the profile and recent activity for the agency with slug 'education-department'."

Troubleshooting Federal Register MCP Server with Pydantic AI

Common issues when connecting Federal Register to Pydantic AI through Vinkius, and how to resolve them.

01

MCPServerHTTP not found

Update: pip install --upgrade pydantic-ai

Federal Register + Pydantic AI FAQ

Common questions about integrating Federal Register MCP Server with Pydantic AI.

01

How does Pydantic AI discover MCP tools?

Create an MCPServerHTTP instance with the server URL. Pydantic AI connects, discovers all tools, and generates typed Python interfaces automatically.
02

Does Pydantic AI validate MCP tool responses?

Yes. When you define result types as Pydantic models, every tool response is validated against the schema. Invalid data raises a clear error instead of silently corrupting your pipeline.
03

Can I switch LLM providers without changing MCP code?

Absolutely. Pydantic AI abstracts the model layer. your Federal Register MCP integration works identically with OpenAI, Anthropic, Google, or any supported provider.

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