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

F-sąskaita MCP by usefulapi

by m190version 1.2.0i★ 1 (Stars for the whole repo)iRuns in the cloud
Registry nameio.usefulapi/f-saskaita

How to install

What it does

Read invoices, expenses and PDFs; create invoices and record expenses in F-sąskaita.

  • Connects Runs in the cloud
  • Account or key No key needed
  • Category Accounting, finance & tax

Install

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

Passed 4/4 checks · What you ask goes through the maker’s server (f-saskaita.usefulapi.io)

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

  1. Open Claude’s Connectors page

    CustomizeConnectors

    CustomizeConnectors1+ Add2https://…3Add4
  2. Click “+ Add” → “Add custom connector” and fill in these 2 fields

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

    Name · NameF-sąskaita MCP by usefulapi
    Remote MCP server URL · Addresshttps://f-saskaita.usefulapi.io/mcp

    Leave Authentication as Claude detected it, then click Add

  3. Turn it on in a chat

    +ConnectorsF-sąskaita MCP by usefulapi

  4. Try it

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

    ✓ If Claude says it is using F-sąskaita MCP by usefulapi or shows a F-sąskaita 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 on business plans only

ChatGPT Business, Enterprise or Edu on the web, added by a workspace admin or owner · On Free, Plus or Pro: your ChatGPT plan cannot connect MCP yet

  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 · NameF-sąskaita MCP by usefulapi
    Connection · Addresshttps://f-saskaita.usefulapi.io/mcp
  3. Pick F-sąskaita MCP by usefulapi in a chat

    Start a new chat and pick F-sąskaita MCP by usefulapi from your plugins before typing

  4. Try it

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

    ✓ If ChatGPT says it is using F-sąskaita MCP by usefulapi or shows a F-sąskaita 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 f-saskaita https://f-saskaita.usefulapi.io/mcp
  3. Type /mcp in Claude Code

    You should see F-sąskaita MCP by usefulapi listed as connected

  4. Try it

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

    ✓ If Claude Code says it is using F-sąskaita MCP by usefulapi or shows a F-sąskaita 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 F-sąskaita MCP by usefulapi and tell me what you can do for me, then show me one thing

    ✓ If Cursor says it is using F-sąskaita MCP by usefulapi or shows a F-sąskaita 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 F-sąskaita MCP by usefulapi and tell me what you can do for me, then show me one thing

    ✓ If VS Code says it is using F-sąskaita MCP by usefulapi or shows a F-sąskaita 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://f-saskaita.usefulapi.io/mcp

JSON settings are under “For developers” below

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

Over the web

Claude Code

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

Cursor (~/.cursor/mcp.json)

{
  "mcpServers": {
    "f-saskaita": {
      "url": "https://f-saskaita.usefulapi.io/mcp"
    }
  }
}

VS Code (mcp.json)

{
  "servers": {
    "f-saskaita": {
      "type": "http",
      "url": "https://f-saskaita.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
Licencei
No licence stated
Connection
Runs in the cloud
Transport
streamable-http
Latest versioni
1.2.0
Published to registryi
Nov 12, 2026
Code last changedi
Nov 11, 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.

  • fsaskaita_get_profile

    Get the business that the token belongs to: name, business type, address, VAT code and company code. A good first call. GET /profile.

  • fsaskaita_list_currencies

    List the currency codes and titles that invoices and expenses accept. GET /currencies.

  • fsaskaita_list_invoices

    List finalized invoices, newest first, 50 per page. Drafts made in the app are not included. The meta block gives current_page, last_page and total. GET /invoices.

  • fsaskaita_get_invoice

    Get one invoice with its seller, buyer, lines (products), payment options, totals and share_link. GET /invoices/{invoice}.

  • fsaskaita_download_invoice_pdf

    Download the PDF of one invoice. Returns the file as base64 with its content type and file name. Files over 3 MB are refused. GET /invoices/{invoice}/download.

  • fsaskaita_list_expenses

    List expenses, newest first, 50 per page. Each item has date, total, currency, seller and timestamps. GET /expenses.

  • fsaskaita_get_expense

    Get one expense: date, total (with VAT), currency, seller and timestamps. The stored VAT and supplier invoice number are not returned. GET /expenses/{expense}.

  • fsaskaita_download_expense_file

    Download the document file (receipt or invoice) of one expense. Returns the file as base64 with its content type and file name. Files over 3 MB are refused. GET /expenses/{expense}/download.

  • fsaskaita_create_invoice

    WRITE: create and finalize a new invoice in the business. It takes a number, queues its PDF and fires the invoice.created webhook. Omit invoice_number to take the next number of the series. The call is NOT repeatable: after a network error, list invoices before you retry. POST /i

  • fsaskaita_update_invoice

    WRITE: replace EVERY field of an existing invoice with the values you send. Read the invoice first with fsaskaita_get_invoice and resend all of it. invoice_number is required: without it the invoice is renumbered. Lines, payment options and seller fields are rewritten and the PDF

  • fsaskaita_create_expense

    WRITE: record a new expense with its document file (receipt or invoice from a supplier). The file is required. The call fires the expense.created webhook and is NOT repeatable: list expenses before you retry after a network error. POST /expenses (multipart).

  • fsaskaita_update_expense

    WRITE: replace EVERY field of an existing expense. Read it first with fsaskaita_get_expense and resend all of it. Stored VAT and supplier invoice number are not returned, so send them again if you need them. The file is optional: when you send one it replaces the stored file. PUT

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 12, 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 today

  • … Not checked yet

    Has a licence

    We have not read this repo from GitHub yet

  • ✓ Pass

    Endpoint responds

    Responded in 8 ms (HTTP 200)

  • – Not applicable

    Sign-in with OAuth

    No sign-in needed

  • ✓ Pass

    No hidden instructions in tool descriptions

    Read 12 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 Accounting, finance & taxi

  • More stars than 0% of the other 3146 servers in this category
  • Published to the registry more recently than 99% of the other 3146 servers in this category
  • Basic checks equal to or better than 100% of the other 3146 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 F-sąskaita 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 today, and the latest version (1.2.0) 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 Business and above.

What can I use instead?

In the same category: CCXT, Finance Toolkit, AKQuant

Alternatives

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

CCXT

Official CCXT MCP server - Market data and trading across 100+ exchanges and prediction markets

by ccxtWidely used↓ 667/wk★ 44.9KUpdated 2 months ago

Runs on your computer

Finance Toolkit

500+ transparent financial methods calculated from raw statements, not third-party endpoints.

by JerBoumaWidely used↓ 15.6K/wk★ 5.5KUpdated 2 days ago

Computer or cloud

AKQuant

Write and backtest trading strategies with AKQuant: API lookup, strategy checks, backtest runs

by akfamilyWidely used↓ 3.3K/wk★ 2.6KUpdated yesterday

Runs on your computer

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.

F-sąskaita MCP by usefulapi

Use your F-sąskaita account from Claude, Cursor, or any MCP client. Read invoices, expenses and their PDFs, and create invoices and record expenses. Hosted, no local install: connect with your own credentials.

Live endpoint: https://f-saskaita.usefulapi.io/mcp · Homepage: https://usefulapi.io

Connect

  • Claude (claude.ai, Desktop): open Customize → Connectors, click + Add → Add custom connector, and paste https://f-saskaita.usefulapi.io/mcp.
  • Claude Code: claude mcp add --transport http f-saskaita https://f-saskaita.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": { "f-saskaita": { "url": "https://f-saskaita.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 F-sąskaita credentials.

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

On first connect you provide a business API token (F-sąskaita → Settings → Integrations → API). The server validates it and stores it per user. No keys go in config files.

Tools

ToolTypeWhat it does
fsaskaita_get_profilereadGet business profile
fsaskaita_list_currenciesreadList currencies
fsaskaita_list_invoicesreadList invoices
fsaskaita_get_invoicereadGet an invoice
fsaskaita_download_invoice_pdfreadDownload invoice PDF
fsaskaita_list_expensesreadList expenses
fsaskaita_get_expensereadGet an expense
fsaskaita_download_expense_filereadDownload expense file
fsaskaita_create_invoicewriteCreate an invoice
fsaskaita_update_invoicewriteReplace an invoice
fsaskaita_create_expensewriteCreate an expense
fsaskaita_update_expensewriteReplace an expense
fsaskaita_usage_statusmetaUsage status (free-tier meter)
fsaskaita_request_featuremetaRequest a missing feature
fsaskaita_upgrademetaUpgrade to Pro or Pro+
fsaskaita_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 fsaskaita_upgrade (it returns a Stripe Checkout link). Cancel any time with fsaskaita_cancel_subscription: Pro continues to the end of the paid period, with no refund for the current period, and running fsaskaita_upgrade before then undoes the cancel. Or write to support@usefulapi.io.

License

MIT — see LICENSE. Documentation only; the server is hosted.