MCP server

Yuki MCP by usefulapi

io.usefulapi/yuki

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

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

Website Source

At a glance

Type

MCP server

Publisher

usefulapi.io (verified by the MCP Registry)

Status

Working at last check

Tools

16

Token cost

About 4,662 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

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

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

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

Gemini CLI

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

Cursor

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

VS Code

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

Antigravity

agy mcp add yuki https://yuki.usefulapi.io/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"yuki","server_url":"https://yuki.usefulapi.io/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"yuki","server_url":"https://yuki.usefulapi.io/mcp"}

Tools

• yuki_get_document ~166 tokens
  Details of one archive document by id (subject, type, contact, dates, amounts, folder). Archive.FindDocument.
• yuki_get_document_download_url ~181 tokens
  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 ~260 tokens
  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 ~232 tokens
  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 ~204 tokens
  The net revenue (turnover) of an administration in a date range, by transaction date. Accounting.NetRevenue.
• yuki_list_administrations ~151 tokens
  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 ~158 tokens
  The tabs inside one archive folder (id, name). Archive.DocumentFolderTabs.
• yuki_list_document_folders ~154 tokens
  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 ~543 tokens
  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 ~130 tokens
  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 ~361 tokens
  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 ~414 tokens
  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 ~411 tokens
  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 ~282 tokens
  Projects of an administration (code, description, company, contact, period, budgets), optionally filtered. AccountingInfo.GetProjects.
• yuki_search_contacts ~453 tokens
  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 ~562 tokens
  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.

Browse

• Email
• Invoicing and accounting

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