Yuki MCP by usefulapi MCP Server

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answering

Yuki MCP by usefulapi is answering right now. Last checked 1 min ago. It exposes 16 tools.

Read Yuki administrations, open invoices, ledger balances, contacts and documents.

Uptime history 3 hours of history

3 hours agonow

100.0%

Uptime 24h

9 of 9 checks

Tools

read from the server

219 ms

Response time

average over 24h

open, no key

Access

streamable-http

Nothing serious here today

Today is the operative word: we check Yuki 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 1 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

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

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

https://yuki.usefulapi.io/mcp

~/.codex/config.toml

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

.cursor/mcp.json

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

.vscode/mcp.json

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

Available tools 16

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

yuki

yuki_get_document

Details of one archive document by id (subject, type, contact, dates, amounts, folder). Archive.FindDocument.

yuki_get_document_download_url

A presigned download URL for the file of one archive document (the link works for a short time; open it in a browser). Archive.DocumentDownloadUrl.

yuki_get_gl_account_balance

The balance of every general ledger account of an administration on a date (yyyy-mm-dd): account code, description, amount. Accounting.GLAccountBalance.

yuki_get_gl_account_scheme

The general ledger accounts (chart of accounts) of an administration: code, description, type. Use the codes in yuki_list_gl_account_transactions. AccountingInfo.GetGLAccountScheme.

yuki_get_net_revenue

The net revenue (turnover) of an administration in a date range, by transaction date. Accounting.NetRevenue.

yuki_list_administrations

List the administrations (companies with their own books) this access key can reach: id, name, address, Chamber of Commerce and VAT numbers, start date. Use the ids in the other tools. Accounting.Administrations.

yuki_list_document_folder_tabs

The tabs inside one archive folder (id, name). Archive.DocumentFolderTabs.

yuki_list_document_folders

The folders of the document archive (id, name). With an accountant key that reaches several domains, pass domain_id so the archive of that domain is read (default: the key's only domain). Archive.DocumentFolders.

yuki_list_documents

Documents in the archive (invoices, receipts, bank statements...) with id, subject, type, contact, dates, amount. Narrow by archive folder or by document type, and by creation date range. Page with number_of_records and start_record. Archive.Documents / DocumentsInFolder / DocumentsByType.

yuki_list_domains

List the Yuki domains (customer environments) this access key can reach: id, name and URL. Accountant keys reach many domains. Accounting.Domains.

yuki_list_gl_account_transactions

The transactions booked on one general ledger account in a date range: date, description, amount, contact, project. Get account codes from yuki_get_gl_account_scheme. Accounting.GLAccountTransactions.

yuki_list_outstanding_creditor_items

Open items on the creditors list (unpaid purchase invoices): date, description, contact, open and original amount, reference, due date. Optionally within a date range. Accounting.OutstandingCreditorItems / OutstandingCreditorItemsByDate.

yuki_list_outstanding_debtor_items

Open items on the debtors list (unpaid sales invoices): date, description, contact, open and original amount, reference, due date. Optionally within a date range. Accounting.OutstandingDebtorItems / OutstandingDebtorItemsByDate.

yuki_list_projects

Projects of an administration (code, description, company, contact, period, budgets), optionally filtered. AccountingInfo.GetProjects.

yuki_search_contacts

Search the contacts (customers and suppliers) of a domain by name, city, postcode, tag, email, website, phone, code, Chamber of Commerce number, VAT number or bank account. Returns at most 100 contacts per page; ask for the next page_number until the reply is empty. Contact.SearchContacts.

yuki_search_documents

Search archive documents by text in the creator, contact, subject, tag or type (or all). Optionally limit to a folder or tab and a date range. Archive.SearchDocuments.

Endpoints

URL	Transport	State	Latency	Checked
https://yuki.usefulapi.io/mcp	streamable-http	answering	250 ms	1 min ago

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Yuki MCP by usefulapi — questions

Answers built from our own checks of this server.

What can Yuki MCP by usefulapi do?

It exposes 16 tools, read directly from the server on our last check. Among them: yuki_get_document, yuki_get_document_download_url, yuki_get_gl_account_balance, yuki_get_gl_account_scheme, yuki_get_net_revenue, yuki_list_administrations and 10 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 Yuki MCP by usefulapi working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 9 of 9 checks got a reply (100.0%), average response time 219 ms. The bar chart above shows every period we have measured.

How do I connect Yuki 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 Yuki MCP by usefulapi need an API key?

No. Yuki MCP by usefulapi completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 16 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Yuki MCP by usefulapi?

It answers our handshake in 219 ms on average, which is faster than 74% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.