Solo MCP by usefulapi MCP Server

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answering

Solo MCP by usefulapi is answering right now. Last checked 5 min ago. It exposes 7 tools. Last commit 1 Nov 2026.

Read invoices, offers, payment status and the product catalog in Solo.

Uptime history 13 hours of history

13 hours agonow

100.0%

Uptime 24h

48 of 48 checks

Tools

read from the server

237 ms

Response time

average over 24h

Stars

last commit 1 Nov 2026

Nothing serious here today

Today is the operative word: we check Solo 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 5 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

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

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

https://solo.usefulapi.io/mcp

~/.codex/config.toml

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

.cursor/mcp.json

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

.vscode/mcp.json

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

Available tools 7

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

solo

solo_get_invoice

Get one invoice with buyer, line items, taxes, totals, payment method, dates, IBAN, currency and a PDF link. The id is the long hash from solo_list_invoices. Solo API: GET /racun?id=.

solo_get_invoice_status

Get the payment status of one invoice: status code, colour and the payment date (datum_uplate, empty if unpaid). Solo API: GET /status?id=.

solo_get_offer

Get one offer with buyer, line items, taxes, totals, dates, currency and a PDF link. The id is the long hash from solo_list_offers. Solo API: GET /ponuda?id=.

solo_get_offer_status

Get the status code and colour of one offer. Solo API: GET /status?id=.

solo_list_catalog

List the products and services in the Solo catalog: code (sifra), KPD code, description, unit, quantity, price, discount and tax rate. Solo API: GET /katalog.

solo_list_invoices

List the last 1000 invoices (račun) of the Solo account: id, number, date, gross total, status and status colour. Use solo_get_invoice with an id for full details. Solo API: GET /racun.

solo_list_offers

List the last 1000 offers (ponuda) of the Solo account: id, number, date, gross total, status. Use solo_get_offer for full details. Solo API: GET /ponuda.

Endpoints

URL	Transport	State	Latency	Checked
https://solo.usefulapi.io/mcp	streamable-http	answering	244 ms	5 min ago

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Solo MCP by usefulapi — questions

Answers built from our own checks of this server.

What can Solo MCP by usefulapi do?

It exposes 7 tools, read directly from the server on our last check. Among them: solo_get_invoice, solo_get_invoice_status, solo_get_offer, solo_get_offer_status, solo_list_catalog, solo_list_invoices and 1 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 Solo MCP by usefulapi working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 48 of 48 checks got a reply (100.0%), average response time 237 ms. The bar chart above shows every period we have measured.

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

No. Solo MCP by usefulapi completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 7 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Solo MCP by usefulapi?

It answers our handshake in 237 ms on average, which is faster than 59% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is Solo MCP by usefulapi open source?

The code is open source: it is published under the MIT licence, written in JavaScript, 1 stars on GitHub and 1 open issue. The licence covers the code in the repository, not the hosted service at solo.usefulapi.io, which runs on its operator's own terms.