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GSA Per Diem Rates MCP Server

Bring Per Diem
to Pydantic AI

Learn how to connect GSA Per Diem Rates to Pydantic AI and start using 6 AI agent tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code.

MCP Inspector GDPR Free for Subscribers
Get Conus LodgingGet Mie BreakdownGet Rates By CityGet Rates By StateGet Rates By ZipGet Zip Mapping

Compatible with every major AI agent and IDE

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GSA Per Diem Rates

What is the GSA Per Diem Rates MCP Server?

Connect to the GSA Per Diem Rates server to instantly retrieve federal travel reimbursement data. This tool allows AI agents to query the official U.S. General Services Administration database for accurate lodging and meal rates.

What you can do

  • City & State Lookups — Get precise rates for specific destinations like 'Fairfax, VA' for any fiscal year.
  • ZIP Code Queries — Quickly find rates using a 5-digit ZIP code to ensure location accuracy.
  • M&IE Breakdowns — Access detailed Meals and Incidental Expenses (M&IE) data, including breakfast, lunch, and dinner allocations.
  • Statewide Data — Retrieve all county and city rates within a specific state for broader travel planning.
  • CONUS Lodging — Fetch standard continental United States lodging rates for general budgeting.

How it works

  1. Subscribe to this server
  2. Enter your GSA API Key
  3. Ask about travel rates for any US location

Who is this for?

  • Finance & Accounting Teams — Automate the verification of travel expense reports against federal standards.
  • Government Contractors — Ensure compliance with federal travel regulations during project bidding and billing.
  • Travel Coordinators — Quickly calculate travel budgets for employees across different US regions.

Built-in capabilities (6)

get_conus_lodging

Get CONUS lodging rates for a specific year

get_mie_breakdown

Get M&IE breakdown rates for a specific year

get_rates_by_city

Get per diem rates for a specific city and state

get_rates_by_state

Get per diem rates for all counties and cities in a state

get_rates_by_zip

Get per diem rates for a specific ZIP code

get_zip_mapping

Useful for high volume requests. Get ZIP code to DID mapping for a specific year

Why Pydantic AI?

Pydantic AI validates every GSA Per Diem Rates 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.

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

  • Model-agnostic architecture. switch between OpenAI, Anthropic, or Gemini without changing your GSA Per Diem Rates integration code

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

  • Dependency injection system cleanly separates your GSA Per Diem Rates connection logic from agent behavior for testable, maintainable code

P
See it in action

GSA Per Diem Rates in Pydantic AI

AI AgentVinkius
High Security·Kill Switch·Plug and Play
Why Vinkius

GSA Per Diem Rates and 4,000+ other MCP servers. One platform. One governance layer.

Teams that connect GSA Per Diem Rates 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.

4,000+MCP Servers ready
<40msCold start
60%Token savings
Raw MCP
Vinkius
Server catalogFind and host yourself4,000+ managed
InfrastructureSelf-hostedSandboxed V8 isolates
Credential handlingPlaintext in configVault + runtime injection
Data loss preventionNoneConfigurable DLP policies
Kill switchNoneGlobal instant shutdown
Financial circuit breakersNonePer-server limits + alerts
Audit trailNoneEd25519 signed logs
SIEM log streamingNoneSplunk, Datadog, Webhook
HoneytokensNoneCanary alerts on leak
Custom domainsNot applicableDNS challenge verified
GDPR complianceManual effortAutomated purge + export
Enterprise Security

Why teams choose Vinkius for GSA Per Diem Rates in Pydantic AI

The GSA Per Diem Rates 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.

GSA Per Diem Rates
Fully ManagedVinkius Servers
60%Token savings
High SecurityEnterprise-grade
IAMAccess control
EU AI ActCompliant
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

The Vinkius Advantage

How Vinkius secures GSA Per Diem Rates for Pydantic AI

Every tool call from Pydantic AI to the GSA Per Diem Rates MCP Server is protected by DLP redaction, cryptographic audit chains, V8 sandbox isolation, kill switch, and financial circuit breakers.

< 40msCold start
Ed25519Signed audit chain
60%Token savings
FAQ

Frequently asked questions

01

How can I find the per diem rates for a specific city like Los Angeles?

You can use the get_rates_by_city tool. Just provide the city name (Los Angeles), the state abbreviation (CA), and the fiscal year you are interested in.

02

Is it possible to get a breakdown of meal costs for the day?

Yes! Use the get_mie_breakdown tool for a specific fiscal year. It returns the breakdown for Meals and Incidental Expenses (M&IE), showing allocations for breakfast, lunch, dinner, and incidentals.

03

Can I look up rates using just a ZIP code?

Absolutely. The get_rates_by_zip tool allows you to input a 5-digit ZIP code and a fiscal year to retrieve the applicable per diem rates for that specific location.

04

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.

05

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.

06

Can I switch LLM providers without changing MCP code?

Absolutely. Pydantic AI abstracts the model layer. your GSA Per Diem Rates MCP integration works identically with OpenAI, Anthropic, Google, or any supported provider.

07

MCPServerHTTP not found

Update: pip install --upgrade pydantic-ai

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