Cuéntica MCP by usefulapi MCP Server

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answering

Cuéntica MCP by usefulapi is answering right now. Last checked 8 min ago. It exposes 18 tools. Last commit 11 Nov 2026.

Read invoices, incomes and expenses; create customers and providers in Cuéntica.

Uptime history 8 hours of history

8 hours agonow

100.0%

Uptime 24h

27 of 27 checks

Tools

read from the server

252 ms

Response time

average over 24h

Stars

last commit 11 Nov 2026

Nothing serious here today

Today is the operative word: we check Cuéntica MCP by usefulapi every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 8 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add cuentica --transport http https://cuentica.usefulapi.io/mcp

Settings → Connectors → Add custom connector, then paste this address

https://cuentica.usefulapi.io/mcp

~/.codex/config.toml

[mcp_servers.cuentica]
url = "https://cuentica.usefulapi.io/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "cuentica": {
      "url": "https://cuentica.usefulapi.io/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "cuentica": {
      "type": "http",
      "url": "https://cuentica.usefulapi.io/mcp"
    }
  }
}

Available tools 18

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

cuentica

cuentica_create_customer

Create a customer. Required: business_type, address, town, postal_code; business_name for companies; name and surname_1 for individuals. Cuéntica API: POST /customer.

cuentica_create_provider

Create a provider (supplier). Required: business_type, address, town, postal_code; business_name for companies; name and surname_1 for individuals. Cuéntica API: POST /provider.

cuentica_get_account

Get one company account by id. Cuéntica API: GET /account/{id}.

cuentica_get_company

Get the data of the company this token belongs to. Run this first to confirm the connection. Cuéntica API: GET /company.

cuentica_get_customer

Get one customer by id. Cuéntica API: GET /customer/{id}.

cuentica_get_expense

Get one expense by id. Cuéntica API: GET /expense/{id}.

cuentica_get_income

Get one income by id. Cuéntica API: GET /income/{id}.

cuentica_get_invoice

Get one invoice by id, with its lines, charges and Verifactu or TicketBAI register info. Cuéntica API: GET /invoice/{id}.

cuentica_get_invoice_public_link

Get the public preview link of one invoice. The preview has the payment button for the company's Stripe account. Cuéntica API: GET /invoice/{id}/public.

cuentica_get_provider

Get one provider by id. Cuéntica API: GET /provider/{id}.

cuentica_list_accounts

List the company accounts: bank accounts, debit or credit cards and partner accounts. Cuéntica API: GET /account.

cuentica_list_customers

List customers, paged. Search text matches the business name, address, tax id, phone or email. Cuéntica API: GET /customer.

cuentica_list_expenses

List expenses (costs), paged. draft=true also shows drafts. Cuéntica API: GET /expense.

cuentica_list_incomes

List incomes (money received records), paged. Cuéntica API: GET /income.

cuentica_list_invoices

List sales invoices, paged. issued=true lists issued invoices; issued=false lists drafts. Cuéntica API: GET /invoice.

cuentica_list_providers

List providers (suppliers), paged. Search text matches the business name, address, tax id, phone or email. Cuéntica API: GET /provider.

cuentica_list_series

List the invoice series of the company. Use the name in invoice filters. Cuéntica API: GET /company/serie.

cuentica_list_tags

List the tags of the company. Cuéntica API: GET /tag.

Endpoints

URL	Transport	State	Latency	Checked
https://cuentica.usefulapi.io/mcp	streamable-http	answering	306 ms	8 min ago

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Cuéntica MCP by usefulapi — questions

Answers built from our own checks of this server.

What can Cuéntica MCP by usefulapi do?

It exposes 18 tools, read directly from the server on our last check. Among them: cuentica_create_customer, cuentica_create_provider, cuentica_get_account, cuentica_get_company, cuentica_get_customer, cuentica_get_expense and 12 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is Cuéntica MCP by usefulapi working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 27 of 27 checks got a reply (100.0%), average response time 252 ms. The bar chart above shows every period we have measured.

How do I connect Cuéntica MCP by usefulapi?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Cuéntica MCP by usefulapi need an API key?

No. Cuéntica MCP by usefulapi completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 18 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Cuéntica MCP by usefulapi?

It answers our handshake in 252 ms on average, which is faster than 53% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is Cuéntica MCP by usefulapi open source?

The code is open source: it is published under the MIT licence, written in JavaScript, 1 stars on GitHub and 1 open issue. The licence covers the code in the repository, not the hosted service at cuentica.usefulapi.io, which runs on its operator's own terms.