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PopNx MCPMCP servers for people who use AI · explained in plain words

Vyfakturuj MCP by usefulapi

by m190version 1.26.1i★ 1 (Stars for the whole repo)iRuns in the cloud
Registry nameio.usefulapi/vyfakturuj

How to install

What it does

Read and create Vyfakturuj invoices and contacts: search, number series, payment methods, tags.

  • Connects Runs in the cloud
  • Account or key No key needed
  • Category Online shops & payments

Install

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

Passed 4/4 checks · What you ask goes through the maker’s server (vyfakturuj.usefulapi.io) · ✓ Commands checked Nov 13, 2026

First: which AI do you use?

Pick your app and the steps appear below.

Works with Claude · about 2 min

No key, nothing to install · Set it up once on claude.ai or the desktop app, then use it in chat · free accounts can add 1 · on Team/Enterprise an Owner adds it

  1. Open Claude’s Connectors page

    CustomizeConnectors

    CustomizeConnectors1Add2https://…3Add4
  2. Click “Add” → “Custom” → “Web” and fill in these 2 fields

    Copy each value into the field with the same name in Claude, then click Continue

    Name · NameVyfakturuj MCP by usefulapi
    Remote MCP server URL · Addresshttps://vyfakturuj.usefulapi.io/mcp

    Click Continue past the sign-in settings Claude detected · under Authentication choose what the maker says (Sign in now, Sign in when needed or No sign in), then click Add

  3. Turn it on in a chat

    +ConnectorsVyfakturuj MCP by usefulapi

  4. Try it

    Use Vyfakturuj MCP by usefulapi and tell me what you can do for me, then show me one thing

    ✓ If Claude says it is using Vyfakturuj MCP by usefulapi or shows a Vyfakturuj MCP by usefulapi tool in the answer, you are connected

Menu names checked against Anthropic’s help page on Nov 11, 2026 · your screen may differ slightly by app version

Works with ChatGPT, depending on your plan

Full MCP: ChatGPT Business, Enterprise or Edu on the web · Pro: connects with read/fetch permissions, so tools that change data may not work · Plus: not confirmed in OpenAI’s docs; if you see an add-custom-MCP option on the Plugins page you can try these steps · web only

  1. Open ChatGPT’s add-MCP page on the web

    Plugins+Add custom MCP server

    ChatGPTPlugins1+2https://…3Create4
  2. Fill in the name and address

    Enter a name, paste the address under Connection, tick the risk warning and click Create as a plugin

    Name · NameVyfakturuj MCP by usefulapi
    Connection · Addresshttps://vyfakturuj.usefulapi.io/mcp
  3. Pick Vyfakturuj MCP by usefulapi in a chat

    Start a new chat and pick Vyfakturuj MCP by usefulapi from your plugins before typing

  4. Try it

    Use Vyfakturuj MCP by usefulapi and tell me what you can do for me, then show me one thing

    ✓ If ChatGPT says it is using Vyfakturuj MCP by usefulapi or shows a Vyfakturuj MCP by usefulapi tool in the answer, you are connected

Menu names checked against OpenAI’s help page on Nov 11, 2026 · your screen may differ slightly by app version

Works with Claude Code · about 2 min

No key, nothing to install

  1. Open Terminal

    Mac: press Command+Space and type Terminal · Windows: open PowerShell

  2. Paste this command and press Enter

    claude mcp add --transport http --scope user vyfakturuj https://vyfakturuj.usefulapi.io/mcp
  3. Type /mcp in Claude Code

    You should see Vyfakturuj MCP by usefulapi listed as connected

  4. Try it

    Use Vyfakturuj MCP by usefulapi and tell me what you can do for me, then show me one thing

    ✓ If Claude Code says it is using Vyfakturuj MCP by usefulapi or shows a Vyfakturuj MCP by usefulapi tool in the answer, you are connected

Menu names checked against Anthropic’s help page on Nov 11, 2026 · your screen may differ slightly by app version

Works with Cursor · about 2 min

No key, nothing to install

  1. Click this button to open Cursor

    Open in Cursor

    Cursor asks you to confirm; click Install

  2. Open the AI chat in Cursor in Agent mode

  3. Try it

    Use Vyfakturuj MCP by usefulapi and tell me what you can do for me, then show me one thing

    ✓ If Cursor says it is using Vyfakturuj MCP by usefulapi or shows a Vyfakturuj MCP by usefulapi tool in the answer, you are connected

Menu names checked against Cursor’s help page on Nov 11, 2026 · your screen may differ slightly by app version

Works with VS Code · about 2 min

No key, nothing to install

  1. Click this button to open VS Code

    Open in VS Code

    VS Code asks you to confirm; click Install

  2. Open the AI chat in VS Code in Agent mode

  3. Try it

    Use Vyfakturuj MCP by usefulapi and tell me what you can do for me, then show me one thing

    ✓ If VS Code says it is using Vyfakturuj MCP by usefulapi or shows a Vyfakturuj MCP by usefulapi tool in the answer, you are connected

Menu names checked against VS Code’s help page on Nov 11, 2026 · your screen may differ slightly by app version

Other apps that use MCP, such as Windsurf, Zed or Gemini CLI, each add servers differently. See how in the app list.

See every app that uses MCP →

Address for apps that connect over the web

Addresshttps://vyfakturuj.usefulapi.io/mcp

JSON settings are under “For developers” below

Stuck? Ask people who use Vyfakturuj MCP by usefulapi💬 Discussion →
For developers: Terminal commands and JSON settings

Over the web

Claude Code

claude mcp add --transport http --scope user vyfakturuj https://vyfakturuj.usefulapi.io/mcp

Cursor (~/.cursor/mcp.json)

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

VS Code (mcp.json)

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

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

At a glance

GitHub starsi
1 (Stars for the whole repo)
This repo holds several MCP listings; its stars count once in rankings
Downloads per weeki
Not on npm/PyPI
Verified domain
✓ usefulapi.io
Connection
Runs in the cloud
Transport
streamable-http
Latest versioni
1.26.1
Published to registryi
Nov 13, 2026
Code last changedi
Nov 12, 2026
Maker
m190
Registry status
Active

Which apps can use it

Based on how this server connects and on each app’s own docs, checked Nov 10, 2026.

Connect over the internet in

ClaudeChatGPTGooseLM StudioMsty StudioCherry StudioCursorVS Code + GitHub CopilotVisual StudioWindsurf (Devin Desktop)ZedKiroClineContinueJetBrains AI AssistantClaude CodeCodex CLIGemini CLIOpenCodenodecodeWarpLibreChatOpen WebUIRaycast

All apps, with pros and cons →

Related guides

What it can do

Tool names and descriptions exactly as the server reported them on Nov 9, 2026. The maker wrote them, not us; we show them as plain text.

  • vyfakturuj_list_invoices

    Search documents (faktury, zalohove faktury, proformy, objednavky ...); pass sort=date_created~desc for the newest first. Each row has id, number, type, dates, customer, VS, currency, total, flags and flags_decoded (paid, sent_to_customer, cancelled, ...) and the public/PDF URLs;

  • vyfakturuj_get_invoice

    One document with all fields: supplier and customer blocks, items (text, quantity, unit_price, vat_rate, totals), dates, VS, bank details, total, flags and flags_decoded, payment method, public page, PDF and online-payment URLs. GET /invoice/{id}/.

  • vyfakturuj_create_invoice

    WRITE. Creates a document in Vyfakturuj. Vyfakturuj has NO draft state: the document is issued at once and takes the next number of its number series (delete or cancel it in Vyfakturuj if wrong). Does NOT send an e-mail to the customer, does NOT mark it paid and moves no money; a

  • vyfakturuj_list_contacts

    Search the address book (adresar): id, name, company, ICO (IC), DIC, address, e-mail (mail_to), phone, default days_due. Filter by free text q, ICO, DIC, name, e-mail or phone. Paged with rows_limit/rows_offset. GET /contact/.

  • vyfakturuj_get_contact

    One address-book contact with every field (billing and delivery address, ICO/DIC, e-mails, default texts and days_due). GET /contact/{id}/.

  • vyfakturuj_create_contact

    WRITE. Adds a contact to the address book (it is not a customer message: nothing is sent). Give at least a name (the address-book label) or company or last name. Returns the new contact with its id. POST /contact/.

  • vyfakturuj_get_template

    One template / recurring invoice (sablona, pravidelna faktura) by id: its items, customer, schedule and settings. The API has no list endpoint for templates, so the id comes from the user (the number in the template's URL in Vyfakturuj). GET /template/{id}/.

  • vyfakturuj_list_payment_methods

    The payment methods of the account (id_payment_method, name, type: 1 bank transfer, 2 cash, 4 cash on delivery, 8 card, ...). Use the id in vyfakturuj_create_invoice. GET /settings/payment-method/.

  • vyfakturuj_list_number_series

    The numbering series (ciselne rady) of the account: id_number_series, the document type it is for, name and the number pattern. Use the id in vyfakturuj_create_invoice. GET /settings/number-series/.

  • vyfakturuj_list_tags

    The tags (stitky) of the account: id_tag, name and colour. Invoices carry an id_tag. GET /settings/tags/.

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 13, 2026

  • ✓ Pass

    Maker matches the repo

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

  • ✓ Pass

    Still maintained

    Code last changed yesterday

  • – Not applicable

    Has a licence

    Not applicable: a cloud server run by the owner of usefulapi.io; you don't run code from the repo

  • ✓ Pass

    Endpoint responds

    Responded in 42 ms (HTTP 200)

  • – Not applicable

    Sign-in with OAuth

    No sign-in needed

  • ✓ Pass

    No hidden instructions in tool descriptions

    Read 10 tool descriptions and found no hidden instructions to the AI

Discussion

Ask, share a tip or report that it does not work. Sorted by what people marked helpful.

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Posts here are written by users, not the PopNx team.

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User reviews

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Compared with others in Online shops & paymentsi

  • More stars than 0% of the other 2778 servers in this category
  • Published to the registry more recently than 94% of the other 2778 servers in this category
  • Basic checks equal to or better than 100% of the other 2778 servers in this category

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

Common questions

Is Vyfakturuj MCP by usefulapi safe?

It passed 4 of 4 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.

What keys or codes does it need?

The registry does not list a required key, though some servers ask you to sign in on first use.

Does it run on my computer or in the cloud?

It runs in the maker’s cloud. Connect over the internet with nothing to install, but what you send passes through the maker’s servers.

Is it still maintained?

The GitHub repo last changed yesterday, and the latest version (1.26.1) reached the registry today.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. It connects by URL, so apps that accept remote MCP servers work too, such as ChatGPT on the web (full MCP on Business and above; Pro read-only).

What can I use instead?

In the same category: Spree Commerce developer docs for AI agents, Stripe MCP, Sessy — Amazon SES observability

Others in the same category

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

Stripe MCP

Stripe’s official server lets AI view and manage customers, products, payments and invoices. Connect to Stripe’s cloud and sign in with OAuth.

by stripeWidely used★ 2.1KUpdated 13 months ago

Runs in the cloud✓ service owner · stripe.com

README from the maker

Open the README

Copied from the maker’s repo as written. PopNx MCP has not reviewed or endorsed it. HTML, images and scripts are removed. Links lead off this site.

Vyfakturuj MCP by usefulapi

Use Vyfakturuj from Claude, Cursor, or any MCP client — search invoices and contacts, create invoices and contacts, read number series, payment methods and tags. Hosted, no local install: connect with your own Vyfakturuj credentials.

Live endpoint: https://vyfakturuj.usefulapi.io/mcp · Homepage: https://usefulapi.io/vyfakturuj

Connect

  • Claude (claude.ai, Desktop): open Customize → Connectors, click + Add → Add custom connector, and paste https://vyfakturuj.usefulapi.io/mcp.
  • Claude Code: claude mcp add --transport http vyfakturuj https://vyfakturuj.usefulapi.io/mcp, then run /mcp to log in.
  • VS Code: Add to VS Code.
  • Cursor and other clients: add the URL as a remote MCP server:
{

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

Add only the URL. Do not add an Authorization header or an API key to the client config: the server signs you in with OAuth, and the login page asks for your Vyfakturuj credentials.

Step-by-step setup, where to find your credentials, and FAQ: https://usefulapi.io/vyfakturuj/

Tools

ToolTypeWhat it does
vyfakturuj_list_invoicesreadList invoices
vyfakturuj_get_invoicereadGet an invoice
vyfakturuj_create_invoicewriteCreate an invoice (issues a real numbered document)
vyfakturuj_list_contactsreadList contacts
vyfakturuj_get_contactreadGet a contact
vyfakturuj_create_contactwriteCreate a contact
vyfakturuj_get_templatereadGet a recurring-invoice template
vyfakturuj_list_payment_methodsreadList payment methods
vyfakturuj_list_number_seriesreadList number series
vyfakturuj_list_tagsreadList tags
vyfakturuj_usage_statusmetaUsage status (free-tier meter)
vyfakturuj_request_featuremetaRequest a missing feature
vyfakturuj_upgrademetaUpgrade to Pro or Pro+
vyfakturuj_cancel_subscriptionmetaCancel the Pro subscription

read tools are read-only; write tools mutate data (clients should confirm them); meta tools report usage, manage your subscription or send a feature request.

Pricing

PlanPriceLimit
Free$050 tool calls / month
Pro (per user)$9/mo or $90/yr (2 months free)Unlimited*

\*Pro has a fair use limit of 10,000 tool calls a month on this server. For more, write to support@usefulapi.io.

Pro covers this server only. Subscribe with vyfakturuj_upgrade (it returns a Stripe Checkout link). Cancel any time with vyfakturuj_cancel_subscription: Pro continues to the end of the paid period, with no refund for the current period, and running vyfakturuj_upgrade before then undoes the cancel. Or write to support@usefulapi.io.

License

MIT © usefulapi. Not affiliated with or endorsed by Vyfakturuj.