# Invoiced MCP by usefulapi (io.usefulapi/invoiced): tool descriptions scored

- tools/list taken: 2026-11-02 (UTC)
- From: [Official MCP Registry](https://registry.modelcontextprotocol.io/v0/servers/io.usefulapi%2Finvoiced/versions/latest)
- Connected to: https://invoiced.usefulapi.io/mcp
- Homepage: https://usefulapi.io/invoiced/
- Repository: https://github.com/m190/usefulapi-mcp
- Scoring rules: v2
- Tools: 27
- Average: 49.0 / 100 (Cloudy)
- Near-identical pairs: 0

This page shows how Invoiced MCP by usefulapi (io.usefulapi/invoiced)'s tool descriptions scored, the issues found and the names of its tools and parameters. The descriptions are the server's own: read them where the copy came from.

Forecall asked the URL this server lists in the official MCP Registry for its tools/list once, on the date above, without calling any tool. The server may have changed since.

## Across the server

- Minor: 27 tools. Above 25, models start to tell tools apart less well.

## Tools

- `invoiced_get_plan`: 40 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
  - Minor: Required identifiers whose description does not say where the value comes from: plan_id. Name the tool or the place that returns it, or models look it up first.
- `invoiced_get_estimate`: 44 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
  - Minor: Required identifiers whose description does not say where the value comes from: estimate_id. Name the tool or the place that returns it, or models look it up first.
- `invoiced_get_subscription`: 44 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
  - Minor: Required identifiers whose description does not say where the value comes from: subscription_id. Name the tool or the place that returns it, or models look it up first.
- `invoiced_create_customer`: 45 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Major: Arguments without a description: email, currency, attention_to, address1, address2, city, state, postal_code, country, phone, tax_id.
  - Minor: Says nothing about what it returns.
- `invoiced_list_estimates`: 45 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: No `required` list, so every argument is optional.
  - Minor: The description mentions none of its 3 or more arguments.
  - Minor: Says nothing about what it returns.
- `invoiced_list_plans`: 46 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: No `required` list, so every argument is optional.
  - Minor: The description mentions none of its 3 or more arguments.
  - Minor: Says nothing about what it returns.
- `invoiced_list_subscriptions`: 46 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: No `required` list, so every argument is optional.
  - Minor: Says nothing about what it returns.
- `invoiced_list_tax_rates`: 46 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: No `required` list, so every argument is optional.
  - Minor: The description mentions none of its 3 or more arguments.
  - Minor: Says nothing about what it returns.
- `invoiced_add_note`: 47 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
- `invoiced_get_credit_note`: 47 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
  - Minor: Required identifiers whose description does not say where the value comes from: credit_note_id. Name the tool or the place that returns it, or models look it up first.
- `invoiced_get_customer`: 47 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
  - Minor: Required identifiers whose description does not say where the value comes from: customer_id. Name the tool or the place that returns it, or models look it up first.
- `invoiced_list_credit_notes`: 48 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: No `required` list, so every argument is optional.
  - Minor: The description mentions none of its 3 or more arguments.
  - Minor: Says nothing about what it returns.
- `invoiced_list_invoices`: 48 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: No `required` list, so every argument is optional.
  - Minor: Says nothing about what it returns.
- `invoiced_list_payments`: 48 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: No `required` list, so every argument is optional.
  - Minor: The description mentions none of its 3 or more arguments.
  - Minor: Says nothing about what it returns.
- `invoiced_get_item`: 49 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
  - Minor: Required identifiers whose description does not say where the value comes from: item_id. Name the tool or the place that returns it, or models look it up first.
- `invoiced_list_customers`: 49 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: No `required` list, so every argument is optional.
  - Minor: Says nothing about what it returns.
- `invoiced_list_tasks`: 49 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: No `required` list, so every argument is optional.
  - Minor: Says nothing about what it returns.
- `invoiced_create_task`: 50 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: The description mentions none of its 3 or more arguments.
  - Minor: Says nothing about what it returns.
  - Minor: Required identifiers whose description does not say where the value comes from: customer_id. Name the tool or the place that returns it, or models look it up first.
- `invoiced_get_customer_balance`: 52 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
  - Minor: Required identifiers whose description does not say where the value comes from: customer_id. Name the tool or the place that returns it, or models look it up first.
- `invoiced_get_invoice`: 52 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
  - Minor: Required identifiers whose description does not say where the value comes from: invoice_id. Name the tool or the place that returns it, or models look it up first.
- `invoiced_get_invoice_payment_plan`: 52 / 100
  - Minor: Says nothing about what it returns.
  - Minor: Required identifiers whose description does not say where the value comes from: invoice_id. Name the tool or the place that returns it, or models look it up first.
- `invoiced_get_payment`: 52 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
  - Minor: Required identifiers whose description does not say where the value comes from: payment_id. Name the tool or the place that returns it, or models look it up first.
- `invoiced_list_contacts`: 52 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: The description mentions none of its 3 or more arguments.
  - Minor: Says nothing about what it returns.
  - Minor: Required identifiers whose description does not say where the value comes from: customer_id. Name the tool or the place that returns it, or models look it up first.
- `invoiced_list_notes`: 52 / 100
  - Minor: No `required` list, so every argument is optional.
  - Minor: The description mentions none of its 3 or more arguments.
  - Minor: Says nothing about what it returns.
- `invoiced_list_events`: 54 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: No `required` list, so every argument is optional.
  - Minor: The description mentions none of its 3 or more arguments.
  - Minor: Says nothing about what it returns.
- `invoiced_create_draft_invoice`: 56 / 100
  - Minor: Arguments without a description: items[].description, currency, purchase_order.
  - Minor: The description mentions none of its 3 or more arguments.
  - Minor: Says nothing about what it returns.
  - Minor: Required identifiers whose description does not say where the value comes from: customer_id. Name the tool or the place that returns it, or models look it up first.
- `invoiced_list_items`: 62 / 100
  - Minor: No `required` list, so every argument is optional.
  - Minor: The description mentions none of its 3 or more arguments.
  - Minor: Says nothing about what it returns.

Is your server listed here and you would rather it were not? Email support@forecall.dev, and we will take it off within 7 days.

[All scored servers](https://forecall.dev/en/servers)