Compatible with every major AI agent and IDE
What is the HHS Open Payments MCP Server?
Connect to the HHS Open Payments database to explore financial transparency in healthcare. This server allows you to query datasets, search for specific physicians or teaching hospitals, and analyze payments made by drug and device companies.
What you can do
- Dataset Discovery — List all available Open Payments datasets and inspect their metadata, including column definitions and update timestamps.
- Physician & Hospital Search — Search for specific healthcare providers or teaching hospitals by name to find their associated records.
- Advanced Querying — Use Socrata Query Language (SoQL) to filter, sort, and limit data for precise financial analysis.
- Data Export — Download specific datasets in CSV, JSON, or XML formats for external processing or reporting.
- Metadata Inspection — Fetch detailed information about specific datasets to understand the underlying data structure.
How it works
- Subscribe to this server
- Enter your HHS/Socrata API Key (optional but recommended for higher rate limits)
- Start auditing healthcare financial data directly from Claude, Cursor, or any MCP-compatible client
Who is this for?
- Researchers & Journalists — Uncover financial ties between the medical industry and healthcare professionals for investigative reporting.
- Compliance Officers — Monitor and verify the accuracy of reported financial transfers within healthcare organizations.
- Healthcare Consumers — Check for potential conflicts of interest or financial relationships of their medical providers.
Built-in capabilities (6)
JSON is recommended for programmatic access. Download a specific Open Payments dataset
Get metadata for a specific Open Payments dataset
List all available Open Payments datasets
Query specific records within a dataset using SoQL
Search for specific teaching hospitals
Search for specific physicians
Why Pydantic AI?
Pydantic AI validates every HHS Open Payments tool response against typed schemas, catching data inconsistencies at build time. Connect 6 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.
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Full type safety: every MCP tool response is validated against Pydantic models, catching data inconsistencies before they reach your application
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Model-agnostic architecture. switch between OpenAI, Anthropic, or Gemini without changing your HHS Open Payments integration code
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Structured output guarantee: Pydantic AI ensures tool results conform to defined schemas, eliminating runtime type errors
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Dependency injection system cleanly separates your HHS Open Payments connection logic from agent behavior for testable, maintainable code
HHS Open Payments in Pydantic AI
HHS Open Payments and 4,000+ other MCP servers. One platform. One governance layer.
Teams that connect HHS Open Payments to Pydantic AI through Vinkius don't need to source, host, or maintain individual MCP servers. Every tool call runs inside a hardened runtime with credential isolation, DLP, and a signed audit chain.
Raw MCP | Vinkius | |
|---|---|---|
| Server catalog | Find and host yourself | 4,000+ managed |
| Infrastructure | Self-hosted | Sandboxed V8 isolates |
| Credential handling | Plaintext in config | Vault + runtime injection |
| Data loss prevention | None | Configurable DLP policies |
| Kill switch | None | Global instant shutdown |
| Financial circuit breakers | None | Per-server limits + alerts |
| Audit trail | None | Ed25519 signed logs |
| SIEM log streaming | None | Splunk, Datadog, Webhook |
| Honeytokens | None | Canary alerts on leak |
| Custom domains | Not applicable | DNS challenge verified |
| GDPR compliance | Manual effort | Automated purge + export |
Why teams choose Vinkius for HHS Open Payments in Pydantic AI
The HHS Open Payments 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. All 6 tools execute in hardened sandboxes optimized for native MCP execution.
Your AI agents in Pydantic AI only access the data you authorize, with DLP that blocks sensitive information from ever reaching the model, kill switch for instant shutdown, and up to 60% token savings. Enterprise-grade infrastructure, zero maintenance.

* 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
How Vinkius secures
HHS Open Payments for Pydantic AI
Every tool call from Pydantic AI to the HHS Open Payments MCP Server is protected by DLP redaction, cryptographic audit chains, V8 sandbox isolation, kill switch, and financial circuit breakers.
Frequently asked questions
Can I search for a specific doctor by name to see their financial records?
Yes! Use the search_physicians tool with the doctor's name. The agent will return matching profiles and their associated payment data from the Open Payments database.
How do I filter data for a specific state or payment amount?
You can use the query_dataset tool and provide a SoQL filter in the where parameter (e.g., recipient_state = 'NY' or total_amount_of_payment_usdollars > 1000).
What formats can I use to download the datasets?
The download_dataset tool supports 'csv', 'json', and 'xml' formats. JSON is generally recommended for programmatic access and AI analysis.
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.
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.
Can I switch LLM providers without changing MCP code?
Absolutely. Pydantic AI abstracts the model layer. your HHS Open Payments MCP integration works identically with OpenAI, Anthropic, Google, or any supported provider.
MCPServerHTTP not found
Update: pip install --upgrade pydantic-ai
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