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Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

MCP server · Payments & trading

Yuki MCP by usefulapi

By usefulapi.io Verified namespace

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

WebsiteSource code
Connect to Yuki MCP by usefulapi
Checks passed
14 / 22

0 failed · 8 not measured

Median response
54 ms

Median of successful probes over 7 days

30-day uptime
Not measured

Share of countable probes over 30 days, including daily rollups. Auth challenges are excluded.

Discovered tools
16

Tool definitions returned by this server

Independent monitoring

Health & checks

Status history

Outdated check

Last connection measurement is over 24 hours old. Current availability is unknown.

Last checked
Check summary by test group
Test areaPassedFailedUnmeasured
ConnectionCan a client connect and discover tools?
500
Reliability & speedDoes it respond consistently and quickly?
004
Access & authenticationWhat is required to use this server?
102
Tool qualityAre the tool definitions usable by an agent?
400
Publisher identityCan the publisher be traced to its source?
402

Unmeasured means there is not enough evidence to decide. How these checks work

Inspect individual checks 22 recorded

Core

  • Pass
    Reachable

    Latest probe returned HTTP 200 in 54 ms.

  • Pass
    Valid handshake

    protocolVersion 2025-11-25, serverInfo.name yuki-mcp.

  • Pass
    Lists tools

    tools/list returned 16 tools.

  • Pass
    Current protocol

    Negotiated 2025-11-25. The bar is 2025-06-18 or newer.

  • Pass
    HTTPS

    The endpoint URL is https.

Performance

  • Not measured
    Fast (p50)

    Median latency 54 ms over 1 samples in 7 days. The bar is 1000 ms. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    95th percentile 54 ms over 1 samples in 7 days. The bar is 3000 ms. Need at least 20 samples.

  • Not measured
    Reliable (uptime)

    1 of 1 attempts returned a tool list in 30 days (100%). The bar is 99%. Need at least 30 samples.

  • Not measured
    Stable tool list

    Fewer than two successful probes in 30 days, so tool-list stability is not measured.

Access

  • Pass
    Open access

    tools/list succeeded with no credential, and the record declares none.

  • Not measured
    Standard auth

    Auth is not required, so the OAuth metadata check does not apply.

  • Not measured
    Free tier cited

    No publisher quote has been checked.

Tools

  • Pass
    Tools described

    Every tool description is at least 20 characters.

  • Pass
    Valid input schemas

    Every inputSchema is a JSON Schema object.

  • Pass
    Parameters documented

    71 of 71 parameters have a description (100%). The bar is 80%.

  • Pass
    Safety hints

    Every tool sets readOnlyHint or destructiveHint.

Publisher

  • Pass
    Verified namespace

    Listed in the Official MCP Registry.

  • Pass
    Website matches publisher

    The website host matches the reverse-domain namespace.

  • Pass
    Source repo linked

    A repository URL is on file.

  • Not measured
    Repo owner matches

    This namespace is not an io.github login, so the owner comparison does not apply.

  • Pass
    Recently updated

    Updated 2026-11-10T23:34:21.40477Z, within 180 days.

  • Not measured
    Open-source licence

    The GitHub licence lookup has not returned an OSI result yet.

Start using Yuki MCP by usefulapi

Connect to this server

Choose your client, copy the configuration, then enable the server in your client’s MCP settings.

Run this command in your terminal, then restart Claude Code.

Claude Code

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

Capabilities

Tools 16

yuki_get_document

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

Discovered
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.

Discovered
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.

Discovered
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.

Discovered
yuki_get_net_revenue

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

Discovered
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.

Discovered
yuki_list_document_folder_tabs

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

Discovered
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.

Discovered
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.

Discovered
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.

Discovered
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.

Discovered
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.

Discovered
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.

Discovered
yuki_list_projects

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

Discovered
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.

Discovered
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.

Discovered

Recent measurements

Probe history

View status
Latest stored probes. Raw probe rows are kept for 14 days.
CheckedResultResponseTools
Connected54 ms16

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