billey MCP by usefulapi

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

• Connection: Runs in the cloud
• Transport: Streamable HTTP
• Category: Other

Install

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

You need

• Runs in the cloudNothing to install; it connects over the internet

Which app do you use?

https://billey.usefulapi.io/mcp

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

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

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

https://billey.usefulapi.io/mcp

Your choice stays on this device in a cookie; no account needed.

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

What it can do

Tool names and descriptions exactly as the server reported them on Nov 6, 2026. The maker wrote them, not us; we show them as plain text.

• 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_get_client

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

• 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_get_invoice

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

• 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_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_vendors

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

• 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_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_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).

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 6, 2026

• ✓ Pass

  Maker matches the repo

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

• … Not checked yet

  Still maintained

  We have not read this repo from GitHub yet

• … Not checked yet

  Has a licence

  We have not read this repo from GitHub yet

• ✓ Pass

  Endpoint responds

  Responded in 10 ms (HTTP 200)

• – Not applicable

  Sign-in with OAuth

  No sign-in needed

• ✓ Pass

  No hidden instructions in tool descriptions

  Read 11 tool descriptions and found no hidden instructions to the AI

Compared with others in Otheri

• More stars than 0% of the other 32403 servers in this category
• Published to the registry more recently than 98% of the other 32403 servers in this category
• Basic checks equal to or better than 100% of the other 32403 servers in this category

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

Alternatives

Servers in the same category from other makers, sorted by stars.

Reading a card:★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi

README from the maker

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