Zero Plus One MCP by usefulapi

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

• Connection: Runs in the cloud
• Transport: Streamable HTTP
• Category: Accounting, finance & tax

Install

Pick the AI app you use, then copy the settings.

You need

• Runs in the cloudNothing to install; it connects over the internet

Which app do you use?

https://zero-plus-one.usefulapi.io/mcp

claude mcp add --transport http zero-plus-one https://zero-plus-one.usefulapi.io/mcp

{
  "mcpServers": {
    "zero-plus-one": {
      "url": "https://zero-plus-one.usefulapi.io/mcp"
    }
  }
}

{
  "servers": {
    "zero-plus-one": {
      "type": "http",
      "url": "https://zero-plus-one.usefulapi.io/mcp"
    }
  }
}

https://zero-plus-one.usefulapi.io/mcp

Your choice stays on this device in a cookie; no account needed.

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

What it can do

Tool names and descriptions exactly as the server reported them on Nov 8, 2026. The maker wrote them, not us; we show them as plain text.

• zeroplusone_list_invoices

  List the invoices in the organization. Zero Plus One API: GET /invoices (scope: View invoices).

• zeroplusone_get_invoice

  Get one invoice by id. Zero Plus One API: GET /invoices/{id}.

• zeroplusone_list_contacts

  List customers and suppliers. Zero Plus One API: GET /contacts (scope: View customers & suppliers).

• zeroplusone_get_contact

  Get one customer or supplier by id. Zero Plus One API: GET /contacts/{id}.

• zeroplusone_list_credit_notes

  List credit notes. Zero Plus One API: GET /credit-notes.

• zeroplusone_get_credit_note

  Get one credit note by id. Zero Plus One API: GET /credit-notes/{id}.

• zeroplusone_list_quotes

  List quotes. Zero Plus One API: GET /quotes.

• zeroplusone_get_quote

  Get one quote by id. Zero Plus One API: GET /quotes/{id}.

• zeroplusone_list_recurring_invoices

  List recurring invoice templates. Zero Plus One API: GET /recurring-invoices.

• zeroplusone_get_recurring_invoice

  Get one recurring invoice template by id. Zero Plus One API: GET /recurring-invoices/{id}.

• zeroplusone_list_tax_rates

  List the tax rates set up in the organization. Zero Plus One API: GET /tax-rates.

• zeroplusone_get_tax_rate

  Get one tax rate by id. Zero Plus One API: GET /tax-rates/{id}.

• zeroplusone_get_profit_and_loss

  Profit and loss for a period. Zero Plus One API: GET /reports/profit-and-loss (scope: View financial reports).

• zeroplusone_get_balance_sheet

  Balance sheet as it stands now. Zero Plus One API: GET /reports/balance-sheet (scope: View financial reports).

• zeroplusone_get_trial_balance

  Trial balance as it stands now. Zero Plus One API: GET /reports/trial-balance (scope: View financial reports).

• zeroplusone_get_cash_flow

  Cash flow for a period. Zero Plus One API: GET /reports/cash-flow (scope: View financial reports).

• zeroplusone_get_vat_return

  VAT 201 return figures for a period. Zero Plus One API: GET /reports/vat-201 (scope: View financial reports).

• zeroplusone_get_kpi_summary

  Key figures for the organization. Zero Plus One API: GET /reports/kpi-summary (scope: View financial reports).

• zeroplusone_get_aged_receivables

  Money customers owe, by age. Zero Plus One API: GET /reports/aged-receivables (scope: View financial reports).

• zeroplusone_get_aged_payables

  Money the organization owes suppliers, by age. Zero Plus One API: GET /reports/aged-payables (scope: View financial reports).

• zeroplusone_get_open_invoices

  Invoices that are not fully paid. Zero Plus One API: GET /reports/open-invoices (scope: View financial reports).

• zeroplusone_get_reconciliation_summary

  Reconciliation progress for one ledger account. Zero Plus One API: GET /reconciliation/accounts/{accountId}/summary.

• zeroplusone_list_reconciliation_lines

  Bank statement lines for one ledger account. Zero Plus One API: GET /reconciliation/accounts/{accountId}/lines.

• zeroplusone_get_reconciliation_suggestions

  Suggested matches between bank lines and the ledger for one account. Zero Plus One API: GET /reconciliation/accounts/{accountId}/suggestions (scope: View reconciliation suggestions).

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 8, 2026

• ✓ Pass

  Maker matches the repo

  The registry name was verified against the domain usefulapi.io (the registry checks domain ownership)

• … Not checked yet

  Still maintained

  We have not read this repo from GitHub yet

• … Not checked yet

  Has a licence

  We have not read this repo from GitHub yet

• ✓ Pass

  Endpoint responds

  Responded in 782 ms (HTTP 200)

• – Not applicable

  Sign-in with OAuth

  No sign-in needed

• ✓ Pass

  No hidden instructions in tool descriptions

  Read 24 tool descriptions and found no hidden instructions to the AI

Compared with others in Accounting, finance & taxi

• More stars than 0% of the other 2937 servers in this category
• Published to the registry more recently than 100% of the other 2937 servers in this category
• Basic checks equal to or better than 100% of the other 2937 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Alternatives

Servers in the same category from other makers, sorted by stars.

Reading a card:↓ Downloads per weeki★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi

README from the maker

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