Spec Driven Development
MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.
Descripción del creador (original en inglés)
Read smallinvoice contacts, invoices, offers, projects and hours; create contacts and invoices.
Estos tres nunca se combinan en una sola puntuación: las opiniones, las mediciones y la popularidad son cosas distintas.
Todavía no escribimos un resumen sencillo para este. Abajo están los datos que leímos del registro.
Elige la app de IA que usas y copia la configuración.
Necesitas
¿Qué app usas?
Elige tu app arriba. La recordamos, así que la próxima vez el botón dirá “Instalar en …”.
Funciona en Claude para web, escritorio y móvil:
https://smallinvoice.usefulapi.io/mcpEjecuta esto en tu terminal
claude mcp add --transport http smallinvoice https://smallinvoice.usefulapi.io/mcpPégalo en .cursor/mcp.json de tu proyecto, o en ~/.cursor/mcp.json
{
"mcpServers": {
"smallinvoice": {
"url": "https://smallinvoice.usefulapi.io/mcp"
}
}
}Tu navegador te pide permiso para abrir la app; luego la app muestra la configuración y te pide confirmar. Los valores de las claves quedan vacíos para que los completes tú.
Pégalo en .vscode/mcp.json de tu proyecto
{
"servers": {
"smallinvoice": {
"type": "http",
"url": "https://smallinvoice.usefulapi.io/mcp"
}
}
}Tu navegador te pide permiso para abrir la app; luego la app muestra la configuración y te pide confirmar. Los valores de las claves quedan vacíos para que los completes tú.
ChatGPT solo se conecta a servidores en internet:
https://smallinvoice.usefulapi.io/mcpLos nombres de los menús pueden variar un poco según el plan y con el tiempo.
Tu elección se guarda en una cookie en este dispositivo; no necesitas cuenta.
Esta configuración se genera a partir de la ficha del creador en el registro. Si el README dice otra cosa, sigue el README.
Nombres y descripciones de las herramientas tal como los informó el servidor el 6 nov 2026. Los escribió el creador, no nosotros; los mostramos como texto sin formato.
smallinvoice_get_ownerThe smallinvoice account the API client belongs to (the owner's id and details). A cheap check that the connection works. GET /auth/owner.
smallinvoice_list_contactsList contacts (customers and suppliers): name, type (company or person), relation, e-mail, currency. Add with=main_address for the address. Needs the "contact" scope. GET /contacts. Returns count, total, next_offset (pass it as offset for the next page) and the items.
smallinvoice_get_contactOne contact by id, with its fields. Add with=main_address for the main address. Needs the "contact" scope. GET /contacts/{id}.
smallinvoice_list_contact_addressesAll addresses of one contact. Needs the "contact" scope. GET /contacts/{contactId}/addresses.
smallinvoice_list_contact_peopleThe contact persons of one company contact. Needs the "contact" scope. GET /contacts/{contactId}/people.
smallinvoice_list_contact_groupsList the contact groups. Needs the "contact" scope. GET /contacts/configuration/groups. Returns count, total, next_offset (pass it as offset for the next page) and the items.
smallinvoice_list_invoicesList invoices: number, contact, dates, total, currency, status. Filter by contact_id or a JSON filter. Needs the "invoice" scope. GET /receivables/invoices. Returns count, total, next_offset (pass it as offset for the next page) and the items.
smallinvoice_get_invoiceOne invoice by id with its positions, totals and status. Needs the "invoice" scope. GET /receivables/invoices/{id}.
smallinvoice_list_invoice_paymentsThe payments recorded on one invoice. Needs the "invoice" scope. GET /receivables/invoices/{invoiceId}/payments.
smallinvoice_list_offersList offers (quotes). Filter by contact_id or a JSON filter. Needs the "offer" scope. GET /receivables/offers. Returns count, total, next_offset (pass it as offset for the next page) and the items.
smallinvoice_get_offerOne offer (quote) by id with its positions and totals. Needs the "offer" scope. GET /receivables/offers/{id}.
smallinvoice_list_order_confirmationsList order confirmations. Filter by contact_id or a JSON filter. Needs the "order_confirmation" scope. GET /receivables/order-confirmations. Returns count, total, next_offset (pass it as offset for the next page) and the items.
smallinvoice_get_order_confirmationOne order confirmation by id. Needs the "order_confirmation" scope. GET /receivables/order-confirmations/{id}.
smallinvoice_list_delivery_notesList delivery notes. Filter by contact_id or a JSON filter. Needs the "delivery_note" scope. GET /receivables/delivery-notes. Returns count, total, next_offset (pass it as offset for the next page) and the items.
smallinvoice_get_delivery_noteOne delivery note by id. Needs the "delivery_note" scope. GET /receivables/delivery-notes/{id}.
smallinvoice_list_productsList the catalog's products (articles). Needs the "catalog" scope. GET /catalog/products. Returns count, total, next_offset (pass it as offset for the next page) and the items.
smallinvoice_list_servicesList the catalog's services. Needs the "catalog" scope. GET /catalog/services. Returns count, total, next_offset (pass it as offset for the next page) and the items.
smallinvoice_list_unitsList the units (piece, hour, ...) with their ids, which an invoice position's unit_id refers to. Needs the "configuration" scope. GET /catalog/configuration/units. Returns count, total, next_offset (pass it as offset for the next page) and the items.
smallinvoice_list_bank_accountsList the account's bank accounts (as printed on documents). Needs the "configuration" scope. GET /configuration/bank-accounts. Returns count, total, next_offset (pass it as offset for the next page) and the items.
smallinvoice_list_projectsList projects. Needs the "project" scope. GET /reporting/projects. Returns count, total, next_offset (pass it as offset for the next page) and the items.
smallinvoice_get_projectOne project by id. Needs the "project" scope. GET /reporting/projects/{id}.
smallinvoice_list_working_hoursList recorded working hours (time tracking entries). Needs the "working_hours" scope. GET /reporting/working-hours. Returns count, total, next_offset (pass it as offset for the next page) and the items.
smallinvoice_list_effortsList efforts (expenses and services recorded against projects). Needs the "effort" scope. GET /reporting/efforts. Returns count, total, next_offset (pass it as offset for the next page) and the items.
smallinvoice_list_activitiesList activities (the kinds of work that hours are booked on). Needs the "activity" scope. GET /reporting/activities. Returns count, total, next_offset (pass it as offset for the next page) and the items.
smallinvoice_list_cost_unitsList cost units. Needs the "cost_unit" scope. GET /reporting/cost-units. Returns count, total, next_offset (pass it as offset for the next page) and the items.
smallinvoice_create_contactWRITE: creates a new company contact (customer) in smallinvoice, with its main address. Needs the "contact" scope. POST /contacts. Nothing is sent to anyone. Private persons are not supported here (smallinvoice needs more fields for them): create those in smallinvoice. Check smal
smallinvoice_create_invoiceWRITE: creates a new invoice for a contact. Needs the "invoice" scope. POST /receivables/invoices. It is only created: it is NOT sent by e-mail or post and its status is not changed; the user reviews it in smallinvoice. Not idempotent: calling it twice creates two invoices. Use s
Revisamos información que cualquiera puede ver; no hemos leído el código. Las revisiones que no aplican no se cuentan. · Revisado el 6 nov 2026
El nombre en el registro se verificó con el dominio usefulapi.io (el registro comprueba quién es dueño del dominio)
Todavía no hemos leído este repo en GitHub
Todavía no hemos leído este repo en GitHub
Respondió en 65 ms (HTTP 200)
No hace falta iniciar sesión
Leímos 27 descripciones de herramientas y no encontramos instrucciones ocultas para la IA
Comparado con todos los servidores activos de esta categoría en el registro. Las estrellas solo cuentan cuando quien lo publica es dueño del repo.
Superó 3 de 3 revisiones básicas aplicables. No hemos leído el código. Antes de agregar una clave o un token, revisa qué acceso pide el servidor y usa una clave que tenga solo los permisos que necesitas.
El registro no indica ninguna clave obligatoria, aunque algunos servidores te piden iniciar sesión la primera vez que los usas.
Se ejecuta en la nube del creador. Te conectas por internet sin instalar nada, pero lo que envías pasa por los servidores del creador.
El repo de GitHub cambió por última vez –, y la última versión (1.12.3) llegó al registro ayer.
Las apps compatibles con MCP, como Claude Desktop, Claude Code, Cursor y VS Code. Se conecta por URL, así que también funcionan las apps que aceptan servidores MCP remotos, como ChatGPT en modo desarrollador.
En la misma categoría: Spec Driven Development, Remote Desktop Commander, AI Deprecations
Servidores de la misma categoría hechos por otros creadores, ordenados por estrellas.
Cómo leer una tarjeta:★ Estrellas de GitHubiTres pilares: reseñas · revisiones · usoiActualizado = fecha en que se publicó la última versión en el registroi
MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.
Remote Desktop Commander: use files, terminal and processes on your own computers from any AI app.
AI model shutdown dates, replacements, change feed and webhook alerts for 8 providers.
Copiado tal cual del repo del creador. PopNx MCP no lo ha revisado ni lo respalda. Se quitaron HTML, imágenes y scripts. Los enlaces llevan fuera de este sitio.
Live endpoint: https://smallinvoice.usefulapi.io/mcp · Homepage: https://usefulapi.io/smallinvoice
https://smallinvoice.usefulapi.io/mcp.claude mcp add --transport http smallinvoice https://smallinvoice.usefulapi.io/mcp, then run /mcp to log in.{
"mcpServers": { "smallinvoice": { "url": "https://smallinvoice.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 smallinvoice credentials.
Step-by-step setup, where to find your credentials, and FAQ: https://usefulapi.io/smallinvoice/
| Tool | Type | What it does |
|---|---|---|
smallinvoice_get_owner | read | Get the account owner |
smallinvoice_list_contacts | read | List contacts |
smallinvoice_get_contact | read | Get a contact |
smallinvoice_list_contact_addresses | read | List a contact's addresses |
smallinvoice_list_contact_people | read | List a contact's people |
smallinvoice_list_contact_groups | read | List contact groups |
smallinvoice_list_invoices | read | List invoices |
smallinvoice_get_invoice | read | Get an invoice |
smallinvoice_list_invoice_payments | read | List payments of an invoice |
smallinvoice_list_offers | read | List offers |
smallinvoice_get_offer | read | Get an offer |
smallinvoice_list_order_confirmations | read | List order confirmations |
smallinvoice_get_order_confirmation | read | Get an order confirmation |
smallinvoice_list_delivery_notes | read | List delivery notes |
smallinvoice_get_delivery_note | read | Get a delivery note |
smallinvoice_list_products | read | List catalog products |
smallinvoice_list_services | read | List catalog services |
smallinvoice_list_units | read | List units |
smallinvoice_list_bank_accounts | read | List bank accounts |
smallinvoice_list_projects | read | List projects |
smallinvoice_get_project | read | Get a project |
smallinvoice_list_working_hours | read | List working hours |
smallinvoice_list_efforts | read | List efforts |
smallinvoice_list_activities | read | List activities |
smallinvoice_list_cost_units | read | List cost units |
smallinvoice_create_contact | write | Create a contact |
smallinvoice_create_invoice | write | Create an invoice |
smallinvoice_usage_status | meta | Usage status (free-tier meter) |
smallinvoice_request_feature | meta | Request a missing feature |
smallinvoice_upgrade | meta | Upgrade to Pro or Pro+ |
smallinvoice_cancel_subscription | meta | Cancel 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.
| Plan | Price | Limit |
|---|---|---|
| Free | $0 | 50 tool calls / month |
| Pro (per account) | $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 smallinvoice_upgrade (it returns a Stripe Checkout link). Cancel any time with smallinvoice_cancel_subscription: Pro continues to the end of the paid period, with no refund for the current period, and running smallinvoice_upgrade before then undoes the cancel. Or write to support@usefulapi.io.