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DebtSnowballPro

Snowball vs avalanche vs hybrid, side by side, with a brute-force optimality check

Unify Dynamics LLC

Documentation
Tools5read-only
Sign-inNoneno account, no key
Data keptNoneprocessed in memory
PriceFreeoptional Pro limits
StatusLiveMCP + REST
Works withMCP · RESTany agent

Try asking

Real questions, and the tools your agent calls to answer them.

Pay off my debts smallest balance first with $300 extra a month.
Tools called
debt_payoff_snowball
Pay off my debts highest interest rate first.
Tools called
debt_payoff_avalanche
What order should I pay off my credit card, car loan, and student loan in?
Tools called
debt_payoff_hybrid
Compare snowball vs avalanche on my 4 credit cards with $300 extra a month.
Tools called
compare_payoff_strategies
Prove avalanche is optimal for these debts.
Tools called
compare_payoff_strategies
What's the interchange argument? What's a freed-up minimum?
Tools called
debtsnowballpro_glossary

About

DebtSnowballPro extends this catalog's `envelope` connector with genuine multi-strategy debt-payoff comparison. Three strategies share one simulation engine: snowball (smallest balance first), avalanche (highest interest rate first), and hybrid (a documented composite score blending rate and balance) or a fully custom order you specify. compare_payoff_strategies runs all three against the identical debts and extra-payment budget, with a comparison table and a check of whether avalanche's total interest was in fact the lowest. Personal-finance folklore says avalanche always minimizes total interest — this connector's own testing confirms that whenever minimum payments are equal or scale with balance (the normal case), but honestly reports the rare exception (very disproportionate minimum payments) via a brute-force optimality check across every possible order, up to 7 debts, rather than assuming. A glossary covers snowball, avalanche, hybrid strategy, interchange argument, and more. General educational information, not financial advice.

Sources: Self-contained debt-payoff simulation (standard snowball/avalanche mechanics, documented in the connector's own module), plus an in-product brute-force optimality check — no dated tax tables. Computed locally; fully local, zero upstream calls.

Privacy

The publisher, Unify Dynamics LLC, states that tool inputs are processed in memory and not retained.

Data not collectedNo account, no profile, no stored prompts or results.
Privacy policyTerms

What it can do

5 tools, grouped by job. Every one is read-only or compute-only.

OpenAPI
Single strategy3 tools
  • Debt payoff snowballFull month-by-month snowball payoff schedule: smallest starting balance first.
  • Debt payoff avalancheFull month-by-month avalanche payoff schedule: highest interest rate first — mathematically minimizes total interest of any fixed ordering.
  • Debt payoff hybridFull month-by-month payoff schedule using either this connector's documented hybrid score (blends interest rate and balance) or, if custom_order…
Compare1 tools
  • Compare payoff strategiesRuns snowball, avalanche, and hybrid/custom against the SAME debts and budget, with a side-by-side comparison table and an invariant check that…
Reference1 tools
  • Debtsnowballpro glossaryDefinitions of debt-payoff terms (snowball, avalanche, hybrid strategy, interchange argument, freed-up minimum, ...).

Information

PublisherUnify Dynamics LLC
CategoryMoney & business
LanguagesEnglish
Built forGlobal
CompatibilityAny MCP client · any agent · REST
Version0.1.0
MCP endpointhttps://debtsnowballpro.connectorbay.com/mcp
REST APIopenapi.json
SupportGet help · Status
CountryWorldwide

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Documentation

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What DebtSnowballPro is for

"Compare snowball vs avalanche on my 4 credit cards with $300 extra a month", "prove avalanche is optimal for these debts", "what order should I pay off my credit card, car loan, and student loan in" — the multi-debt payoff questions that a single-strategy calculator can't really answer. DebtSnowballPro answers them by actually simulating every strategy, month by month, for your real numbers.

What it does

Three strategies, one engine. debt_payoff_snowball (smallest balance first), debt_payoff_avalanche (highest interest rate first), and debt_payoff_hybrid (a documented composite score blending rate and balance — or your own exact custom order) each run a full month-by-month simulation: interest accrues on every debt still owing, the current "target" debt gets its minimum plus your extra payment plus every already-freed minimum from a paid-off debt, and every other debt pays its own minimum. Total monthly outlay stays constant for as long as more than one debt remains.

Real side-by-side comparison. compare_payoff_strategies runs all three against the identical debts and extra-payment budget and returns a comparison table (total interest, months to debt-free, total paid) sorted cheapest first, plus a check — computed directly from the simulation, not assumed — of whether avalanche's total interest was in fact the lowest of the three.

An honest optimality check, not a citation. Personal-finance folklore says avalanche always minimizes total interest. In this connector's own testing that held up whenever minimum payments were equal or scaled with balance (the normal case for revolving credit) — but NOT always when minimum payments are disproportionate to balance (an unusually large fixed minimum on a small debt, for instance). Rather than assert a universal law, compare_payoff_strategies(verify_optimal=True) brute-forces every possible payoff order for the debts you actually gave it (up to 7 debts) and tells you plainly whether avalanche matches the true minimum — and if not, which order would save a bit more.

Glossary. Plain-language definitions: snowball, avalanche, hybrid strategy, custom order, interchange argument, freed-up minimum, APR, amortization.

What it is not

Not personalized financial advice, and not a substitute for reading your actual loan terms (some debts have prepayment penalties, promotional rates, or deferred-interest terms this simple model doesn't know about). The comparison assumes a constant monthly extra-payment budget and fixed interest rates for the whole payoff period — real cards and loans can change rates. This catalog's envelope connector covers basic snowball/avalanche for a single-strategy quick answer; use DebtSnowballPro when you want the full comparison or the optimality check.

Built and maintained by Unify Dynamics LLC. Contact: agent@connectorbay.com.

Privacy policy

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DebtSnowballPro — Privacy Policy

Effective 28 September 2026. Unify Dynamics LLC ("we", "us"), Menlo Park, California.

What DebtSnowballPro is. DebtSnowballPro is a connector (an MCP server and REST API) that AI assistants and personal agents call on your behalf for multi-strategy debt-payoff calculations. You interact with your assistant; the assistant sends us only the numbers needed for that one calculation.

What we receive. The arguments of each tool call — a list of debts (an optional name, balance, minimum payment, and interest rate for each), an extra-payment amount, and optionally a custom payoff order — the technical headers needed to serve the request (an IP address or a client identifier supplied by the assistant, and a Pro API key if you have one), and standard server logs.

Everything is computed on our server and nothing is stored. Every calculation is a month-by-month simulation computed from the numbers you provide; no request is forwarded to any third party, and no query — including any balance, interest rate, or debt name you enter — is logged in request bodies, recorded, or used to train anything.

What we do not receive or store. We do not receive your conversation with the assistant, your name, account numbers, lender names tied to real accounts, or any other identifying information, and we do not build a financial profile from your queries: each calculation is answered independently and nothing carries over between requests. Rate-limit counters (a client identifier and timestamps) are held in memory for at most 24 hours. Hosting-provider access logs, which contain IP addresses and request paths but not request bodies, are retained for up to 30 days for security and abuse prevention.

Sub-processors. None — every tool is computed locally. Hosting: Vercel (United States regions).

Legal bases and your rights. For users in California, the EU/UK and elsewhere, our processing is necessary to provide the service you request through your assistant. Because we store no personal data beyond short-lived logs, requests to access, correct or delete personal data are usually satisfied automatically; you can still contact agent@connectorbay.com and we will respond within 30 days. We do not sell or share personal information and do not use your data to train models.

Children. DebtSnowballPro is a general-audience service for adults; we knowingly collect no personal data from anyone.

Changes. We will post changes here with a new effective date.

Terms of service

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DebtSnowballPro — Terms of Service

Effective 28 September 2026. These terms govern use of the DebtSnowballPro connector ("the Service") operated by Unify Dynamics LLC ("we", "us").

  1. The Service. DebtSnowballPro returns multi-strategy debt-payoff simulations — snowball, avalanche, hybrid/custom order, a side-by-side comparison, and an optional brute-force optimality check — computed from the numbers you provide. It is accessed through an AI assistant or directly over MCP or HTTP.
  2. Not financial advice. DebtSnowballPro's calculations are general educational information and illustrative simulations — not a recommendation, and not individualized financial advice. Consult a financial advisor or credit counselor before making a debt-payoff decision, especially with unusual loan terms (prepayment penalties, promotional/deferred-interest rates, variable rates).
  3. Simplifying assumptions. The simulation assumes a constant monthly extra-payment budget and fixed interest rates for the whole payoff period, and that a paid-off debt's minimum payment rolls forward starting the following month. Real accounts, fees, and rate changes can change actual outcomes.
  4. Avalanche is not asserted as a universal mathematical law. This Service reports, computed directly from your numbers, whether avalanche achieved the lowest total interest among the strategies compared, and (with verify_optimal) whether it matches the true brute-force minimum over every possible order for up to 7 debts — it does not claim this is always true in every conceivable case.
  5. Acceptable use. Automated use within the published rate limits is welcome.
  6. Availability. The Service is provided "as is" without warranty. We may change, limit or discontinue it at any time.
  7. Data. Our Privacy Policy describes what we process. In short: your query is answered on our server and nothing is stored.
  8. Pro keys. Optional Pro API keys are issued at our discretion, are personal to the holder and may be revoked for abuse.
  9. Liability. To the fullest extent permitted by law, Unify Dynamics LLC is not liable for any financial loss arising from use of or reliance on the Service. Our total liability is limited to US $100.
  10. Governing law. California law; venue in San Mateo County, California.
  11. Contact. Unify Dynamics LLC · agent@connectorbay.com · https://connectorbay.com/debtsnowballpro

Support

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DebtSnowballPro support

Email agent@connectorbay.com. We answer within two business days.

When you report a problem, include the question you asked your agent, roughly when, and which agent you used (for example Claude, ChatGPT or Gemini). Never send us passwords, account numbers or ID numbers. DebtSnowballPro never asks for them.

Get DebtSnowballPro

Free · No sign-in · Read-only

Streamable HTTP, stateless, no authentication. Paste the endpoint into any MCP-capable agent.

https://debtsnowballpro.connectorbay.com/mcp
{
  "mcpServers": {
    "debtsnowballpro": {
      "type": "http",
      "url": "https://debtsnowballpro.connectorbay.com/mcp"
    }
  }
}