billey MCP by usefulapi MCP Server

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answering

billey MCP by usefulapi is answering right now. Last checked 9 min ago. It exposes 11 tools. Last commit 2 Nov 2026.

Read clients, invoices, expenses, bank transactions and time entries in billey.

Uptime history 21 hours of history

21 hours agonow

100.0%

Uptime 24h

77 of 77 checks

Tools

read from the server

239 ms

Response time

average over 24h

Stars

last commit 2 Nov 2026

What changed 1

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 2 November 2026. No other catalogue keeps this.

2 Nov a tool changed version

Nothing serious here today

Today is the operative word: we check billey 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 9 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

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

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

https://billey.usefulapi.io/mcp

~/.codex/config.toml

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

.cursor/mcp.json

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

.vscode/mcp.json

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

Available tools 11

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

billey

billey_get_client

Get one client by id, with its contact and payment details. billey API: GET /api/v1/clients/{client}.

billey_get_invoice

Get one invoice by id, with its client summary and line items. billey API: GET /api/v1/invoices/{invoice}.

billey_list_bank_transactions

List imported bank transactions (amount, executed date, counterparty, match and allocation state). Returns cursor pagination. billey API: GET /api/v1/bank-transactions (needs transactions:read).

billey_list_clients

List the clients of the book (name, contact, payment terms, collection method). Returns cursor pagination: follow links.next. Use updated_after to sync only changes. billey API: GET /api/v1/clients.

billey_list_expenses

List expenses (purchase costs) with amounts, dates, the vendor summary and the account. Returns cursor pagination. billey API: GET /api/v1/expenses.

billey_list_invoices

List invoices with status, dates, totals (decimal strings), the client summary and line items. Filter with updated_after for changes since a time. Returns cursor pagination. billey API: GET /api/v1/invoices.

billey_list_products

List products and services from the book's catalogue (unit price, VAT percentage, SKU). Returns cursor pagination. billey API: GET /api/v1/products (needs products:read).

billey_list_projects

List projects with their client summary. Returns cursor pagination. billey API: GET /api/v1/projects (needs projects:read).

billey_list_quotes

List quotes (offers) with status, dates, totals and line items. Returns cursor pagination. billey API: GET /api/v1/quotes (needs the quotes:read ability).

billey_list_time_entries

List logged time entries (hours and hourly rate as decimal strings, date, project). Returns cursor pagination. billey API: GET /api/v1/time-entries (needs time-entries:read).

billey_list_vendors

List vendors (suppliers) with their contact and payment details. Returns cursor pagination. billey API: GET /api/v1/vendors.

Endpoints

URL	Transport	State	Latency	Checked
https://billey.usefulapi.io/mcp	streamable-http	answering	91 ms	9 min ago

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billey MCP by usefulapi — questions

Answers built from our own checks of this server.

What can billey MCP by usefulapi do?

It exposes 11 tools, read directly from the server on our last check. Among them: billey_get_client, billey_get_invoice, billey_list_bank_transactions, billey_list_clients, billey_list_expenses, billey_list_invoices and 5 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 billey MCP by usefulapi working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 77 of 77 checks got a reply (100.0%), average response time 239 ms. The bar chart above shows every period we have measured.

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

No. billey MCP by usefulapi completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 11 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is billey MCP by usefulapi?

It answers our handshake in 239 ms on average, which is faster than 60% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is billey 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 billey.usefulapi.io, which runs on its operator's own terms.