Vinkius

US Post-Judgment Interest MCP for AI Agents. Calculate Federal Judgment Debt Accruals Instantly.

US Post-Judgment Interest Calculator determines accrued interest on court judgments based on 28 U.S.C. § 1961 and current weekly Treasury Bill rates. This MCP lets your agent calculate total interest owed, find specific historical annual rates, or compare the cost difference if a judgment is paid early versus late.

US Post-Judgment Interest MCP is compatible with Claude Claude
US Post-Judgment Interest MCP is compatible with ChatGPT ChatGPT
US Post-Judgment Interest MCP is compatible with Cursor Cursor
US Post-Judgment Interest MCP is compatible with Gemini Gemini
US Post-Judgment Interest MCP is compatible with Windsurf Windsurf
US Post-Judgment Interest MCP is compatible with VS Code VS Code
US Post-Judgment Interest MCP is compatible with JetBrains JetBrains
US Post-Judgment Interest MCP is compatible with Vercel Vercel
See Vinkius in Action

Give Claude and any AI agent real-world access

Determine total interest owed

Calculates the full accumulated interest and provides the updated total balance for a specific court judgment.

Look up historical annual rates

Retrieves the precise annual interest rate applicable to a court date or week.

Compare payment cost scenarios

Models and compares the total interest cost between two different potential payment dates.

Waiting for input…

AI Agent
MCP Server

What AI agents can do with US Post-Judgment Interest Calculator: 3 Tools

Use these specialized tools to perform specific legal financial calculations, from finding historical rates to comparing complex payment scenarios.

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 US Post-Judgment Interest Calculator MCP

Interest Accrual Calc

Calculates the total interest accrued and provides a new, updated balance for a specific court judgment amount.

Rate Lookup

Looks up the official annual interest rate tied to any given date according to...

Interest Scenario Comparison

Compares the total accrued interest cost between two different suggested payment...

Security and governance baked right in.

Pick your AI client below to get set up. Just create a Vinkius account, subscribe, and you're instantly up and running. We handle the entire backend infrastructure, delivering out-of-the-box support for HTTPS Streamable, SSE, and OAuth2—zero messy routing required.

US Post-Judgment Interest MCP is compatible with Claude

Claude AI

1

Open Claude Settings

Go to claude.ai, click your profile icon, then navigate to Customize → Connectors.

2

Add Custom Connector

Click the "+" button and select Add custom connector. Paste your Vinkius endpoint URL:

https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. For OAuth-protected servers, expand Advanced settings to add credentials.

3

Start a conversation

Open a new chat. The US Post-Judgment Interest integration is available immediately — no restart needed.

Choose How to Get Started

Build a custom MCP for your own tools, or connect a ready-made integration from our catalog.

Build Your Own

Turn any API into an MCP. Import a spec, define Agent Skills, or deploy with MCPFusion.

  • Import from OpenAPI, Swagger, or YAML specs
  • Create Agent Skills with progressive disclosure
  • Deploy to edge with MCPFusion framework
  • Built in DLP, auth, and compliance on each call
  • Real time usage dashboard and cost metering
  • Publish to catalog or keep private
Start building

Make Your AI Do More

Start with US Post-Judgment Interest Calculator, then connect any of our 5,200+ other servers whenever your AI needs more. One click, no limits.

  • Use this MCP plus 5,200+ others, all in one place
  • Add new capabilities to your AI anytime you want
  • Connections are secured and governed automatically
  • Track usage and costs across all your servers
  • Works with Claude, ChatGPT, Cursor, and more
  • New servers added to the catalog weekly

VINKIUS INFRASTRUCTURE

Cloud Hosted

Managed infra

V8 Isolated

Sandboxed per request

Zero-Trust Proxy

No stored credentials

DLP Enforced

Policy on each call

GDPR Compliant

EU data residency

Token Compression

~60% cost reduction

Your data is protected. See how we built it.

The headache of manually tracking post-judgment interest rates Solved with Vinkius AI Gateway

Every time you update a case file, you face the same grind: looking up the current Treasury Bill rate. Then, you have to figure out what that rate was for every single week between the judgment date and today. It's copy-pasting dates into multiple tabs, cross-referencing statutes, and hoping you don't miss a rate change.

With this MCP, your agent handles all of it. You just provide the start date, end date, and principal amount. The resulting calculation is immediately accurate, giving you the final total balance without any manual math or legal guesswork.

Get Precise Balances with interest_accrual_calc

Manual tracking means manually checking rate changes and ensuring that every week's accumulation is added up correctly. It’s slow, tedious work that introduces human error into critical financial reporting.

Now you feed the parameters into interest_accrual_calc. The tool executes the entire federal calculation in one step, giving you a final number that stands up to scrutiny.

What your AI can actually do with this

Calculating post-judgment interest for federal court cases isn't simple; it requires tracking variable annual rates against complex statutory rules (28 U.S.C. § 1961). This MCP handles that complexity automatically. Your agent uses the current weekly Treasury Bill data to determine exactly how much interest has built up on a judgment between two dates.

You can use this tool to get a total updated balance, check what the annual rate was for any given week, or model out if paying a debt sooner saves money. Connecting through Vinkius gives your agent access to this specialized legal math alongside thousands of other business tools. It's about getting accurate, legally compliant financials without having to manually reference Treasury data and statutes.

Built · Hosted · Managed by Vinkius Interest Calculator - US Post-Judgment Interest MCP
Server ID 019ee5c3-76ac-71a7-9d35-77c6b12b1943
Vinkius Inspector
Compliance Grade A+
Score 100/100
Vinkius Inspector Badge — Score 100/100

Questions you might have

How does the US Post-Judgment Interest Calculator work? +

This MCP calculates post-judgment interest according to 28 U.S.C. § 1961 by using current weekly Treasury Bill data, ensuring your figures are legally accurate.

Can I use the rate_lookup tool for future dates? +

The rate_lookup is designed to pull historical rates based on actual federal reporting. While it can look up a date, its primary function is verifying past annual rates applicable for specific weeks.

What does interest_scenario_comparison calculate? +

It calculates the difference in total interest owed by comparing two different potential payment dates against the same principal judgment amount. This helps you advise on optimal settlement timing.

Does this MCP use state law or federal law? +

This MCP is specifically designed for US Federal post-judgment interest calculations mandated by 28 U.S.C. § 1961, so it handles federal statutes only.

What input do I need for interest_accrual_calc? +

You must provide the initial judgment amount, the original date of the judgment, and the final payment or calculation date to get an accurate accrual total.