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smallinvoice MCP by usefulapi: tool descriptions scored io.usefulapi/smallinvoice

tools/list taken
(UTC)
From
Official MCP Registry
Connected to
https://smallinvoice.usefulapi.io/mcp
Homepage
usefulapi.io/smallinvoice/
Repository
github.com/m190/usefulapi-mcp
Scoring rules
v2
Removal
support@forecall.dev
Score this URL as it is today

Scores, issues and names only

This page shows how smallinvoice MCP by usefulapi (io.usefulapi/smallinvoice)'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.

servers/io.usefulapi/smallinvoice
Average score
59.5 / 100Cloudy
Tools
27
Near-identical descriptions
20

Across the server

  • Minor
    27 tools. Above 25, models start to tell tools apart less well.many_tools
  • Minor
    20 pairs with nearly the same description in all; the top 12 are shown.confusable_pair_total

Tools whose descriptions are nearly the same

12 of 20 pairs shown, highest description similarity first.
ToolToolDescription similarityName similarity
smallinvoice_list_productssmallinvoice_list_services0.820.50
smallinvoice_list_servicessmallinvoice_list_projects0.720.50
smallinvoice_list_offerssmallinvoice_list_order_confirmations0.710.40
smallinvoice_list_offerssmallinvoice_list_delivery_notes0.710.40
smallinvoice_list_projectssmallinvoice_list_cost_units0.700.40
smallinvoice_list_contact_groupssmallinvoice_list_services0.680.40
smallinvoice_list_order_confirmationssmallinvoice_list_delivery_notes0.680.33
smallinvoice_list_productssmallinvoice_list_projects0.680.50
smallinvoice_list_projectssmallinvoice_list_efforts0.680.50
smallinvoice_list_contact_groupssmallinvoice_list_products0.650.40
smallinvoice_list_contact_groupssmallinvoice_list_projects0.650.40
smallinvoice_list_servicessmallinvoice_list_cost_units0.650.40

Tools

smallinvoice_get_owner

49 / 100Cloudy

Purpose
14 / 20
When to use
0 / 20
Arguments
25 / 25
Return value
0 / 15
Constraints and side effects
10 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    Says nothing about what it returns.no_return_info

smallinvoice_list_contact_addresses

49 / 100Cloudy

Purpose
14 / 20
When to use
0 / 20
Arguments
23 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
5 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    The description mentions none of its 3 or more arguments.params_not_in_description
  • Minor
    Says nothing about what it returns.no_return_info
  • Minor
    Required identifiers whose description does not say where the value comes from: contact_id. Name the tool or the place that returns it, or models look it up first.id_source_missing

smallinvoice_list_contact_people

49 / 100Cloudy

Purpose
14 / 20
When to use
0 / 20
Arguments
23 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
5 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    The description mentions none of its 3 or more arguments.params_not_in_description
  • Minor
    Says nothing about what it returns.no_return_info
  • Minor
    Required identifiers whose description does not say where the value comes from: contact_id. Name the tool or the place that returns it, or models look it up first.id_source_missing

smallinvoice_list_invoice_payments

49 / 100Cloudy

Purpose
14 / 20
When to use
0 / 20
Arguments
23 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
5 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    The description mentions none of its 3 or more arguments.params_not_in_description
  • Minor
    Says nothing about what it returns.no_return_info
  • 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.id_source_missing

smallinvoice_get_contact

54 / 100Cloudy

Purpose
14 / 20
When to use
0 / 20
Arguments
23 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
10 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    Says nothing about what it returns.no_return_info
  • Minor
    Required identifiers whose description does not say where the value comes from: id. Name the tool or the place that returns it, or models look it up first.id_source_missing

smallinvoice_get_delivery_note

54 / 100Cloudy

Purpose
14 / 20
When to use
0 / 20
Arguments
23 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
10 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    Says nothing about what it returns.no_return_info
  • Minor
    Required identifiers whose description does not say where the value comes from: id. Name the tool or the place that returns it, or models look it up first.id_source_missing

smallinvoice_get_invoice

54 / 100Cloudy

Purpose
14 / 20
When to use
0 / 20
Arguments
23 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
10 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    Says nothing about what it returns.no_return_info
  • Minor
    Required identifiers whose description does not say where the value comes from: id. Name the tool or the place that returns it, or models look it up first.id_source_missing

smallinvoice_get_offer

54 / 100Cloudy

Purpose
14 / 20
When to use
0 / 20
Arguments
23 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
10 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    Says nothing about what it returns.no_return_info
  • Minor
    Required identifiers whose description does not say where the value comes from: id. Name the tool or the place that returns it, or models look it up first.id_source_missing

smallinvoice_get_order_confirmation

54 / 100Cloudy

Purpose
14 / 20
When to use
0 / 20
Arguments
23 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
10 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    Says nothing about what it returns.no_return_info
  • Minor
    Required identifiers whose description does not say where the value comes from: id. Name the tool or the place that returns it, or models look it up first.id_source_missing

smallinvoice_get_project

54 / 100Cloudy

Purpose
14 / 20
When to use
0 / 20
Arguments
23 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
10 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    Says nothing about what it returns.no_return_info
  • Minor
    Required identifiers whose description does not say where the value comes from: id. Name the tool or the place that returns it, or models look it up first.id_source_missing

smallinvoice_list_projects

61 / 100Cloudy

Purpose
17 / 20
When to use
0 / 20
Arguments
20 / 25
Return value
7 / 15
Constraints and side effects
7 / 10
Examples
10 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    Its description is nearly the same as smallinvoice_list_services's (similarity 0.72); only the names and schemas tell them apart. Say in this description when to use smallinvoice_list_services instead.confusable_pair
  • Minor
    Its description is nearly the same as smallinvoice_list_cost_units's (similarity 0.70); only the names and schemas tell them apart. Say in this description when to use smallinvoice_list_cost_units instead.confusable_pair
  • Minor
    Its description is nearly the same as smallinvoice_list_products's (similarity 0.68); only the names and schemas tell them apart. Say in this description when to use smallinvoice_list_products instead.confusable_pair
  • Minor
    Its description is nearly the same as smallinvoice_list_efforts's (similarity 0.68); only the names and schemas tell them apart. Say in this description when to use smallinvoice_list_efforts instead.confusable_pair
  • Minor
    Its description is nearly the same as smallinvoice_list_contact_groups's (similarity 0.65); only the names and schemas tell them apart. Say in this description when to use smallinvoice_list_contact_groups instead.confusable_pair
  • Minor
    No `required` list, so every argument is optional.no_required

smallinvoice_create_invoice

62 / 100Cloudy

Purpose
20 / 20
When to use
0 / 20
Arguments
22 / 25
Return value
0 / 15
Constraints and side effects
10 / 10
Examples
10 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    String arguments with no constraint or example: date, due.loose_string_param
  • Minor
    The description mentions none of its 3 or more arguments.params_not_in_description
  • Minor
    Says nothing about what it returns.no_return_info

smallinvoice_list_activities

64 / 100Cloudy

Purpose
20 / 20
When to use
0 / 20
Arguments
20 / 25
Return value
7 / 15
Constraints and side effects
7 / 10
Examples
10 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    No `required` list, so every argument is optional.no_required

smallinvoice_list_bank_accounts

64 / 100Cloudy

Purpose
20 / 20
When to use
0 / 20
Arguments
20 / 25
Return value
7 / 15
Constraints and side effects
7 / 10
Examples
10 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    No `required` list, so every argument is optional.no_required

smallinvoice_list_contact_groups

64 / 100Cloudy

Purpose
20 / 20
When to use
0 / 20
Arguments
20 / 25
Return value
7 / 15
Constraints and side effects
7 / 10
Examples
10 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    Its description is nearly the same as smallinvoice_list_services's (similarity 0.68); only the names and schemas tell them apart. Say in this description when to use smallinvoice_list_services instead.confusable_pair
  • Minor
    Its description is nearly the same as smallinvoice_list_products's (similarity 0.65); only the names and schemas tell them apart. Say in this description when to use smallinvoice_list_products instead.confusable_pair
  • Minor
    Its description is nearly the same as smallinvoice_list_projects's (similarity 0.65); only the names and schemas tell them apart. Say in this description when to use smallinvoice_list_projects instead.confusable_pair
  • Minor
    No `required` list, so every argument is optional.no_required

smallinvoice_list_contacts

64 / 100Cloudy

Purpose
20 / 20
When to use
0 / 20
Arguments
20 / 25
Return value
7 / 15
Constraints and side effects
7 / 10
Examples
10 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    No `required` list, so every argument is optional.no_required

smallinvoice_list_delivery_notes

64 / 100Cloudy

Purpose
20 / 20
When to use
0 / 20
Arguments
20 / 25
Return value
7 / 15
Constraints and side effects
7 / 10
Examples
10 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    Its description is nearly the same as smallinvoice_list_offers's (similarity 0.71); only the names and schemas tell them apart. Say in this description when to use smallinvoice_list_offers instead.confusable_pair
  • Minor
    Its description is nearly the same as smallinvoice_list_order_confirmations's (similarity 0.68); only the names and schemas tell them apart. Say in this description when to use smallinvoice_list_order_confirmations instead.confusable_pair
  • Minor
    No `required` list, so every argument is optional.no_required

smallinvoice_list_efforts

64 / 100Cloudy

Purpose
20 / 20
When to use
0 / 20
Arguments
20 / 25
Return value
7 / 15
Constraints and side effects
7 / 10
Examples
10 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    Its description is nearly the same as smallinvoice_list_projects's (similarity 0.68); only the names and schemas tell them apart. Say in this description when to use smallinvoice_list_projects instead.confusable_pair
  • Minor
    No `required` list, so every argument is optional.no_required

smallinvoice_list_invoices

64 / 100Cloudy

Purpose
20 / 20
When to use
0 / 20
Arguments
20 / 25
Return value
7 / 15
Constraints and side effects
7 / 10
Examples
10 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    No `required` list, so every argument is optional.no_required

smallinvoice_list_offers

64 / 100Cloudy

Purpose
20 / 20
When to use
0 / 20
Arguments
20 / 25
Return value
7 / 15
Constraints and side effects
7 / 10
Examples
10 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    Its description is nearly the same as smallinvoice_list_order_confirmations's (similarity 0.71); only the names and schemas tell them apart. Say in this description when to use smallinvoice_list_order_confirmations instead.confusable_pair
  • Minor
    Its description is nearly the same as smallinvoice_list_delivery_notes's (similarity 0.71); only the names and schemas tell them apart. Say in this description when to use smallinvoice_list_delivery_notes instead.confusable_pair
  • Minor
    No `required` list, so every argument is optional.no_required

smallinvoice_list_order_confirmations

64 / 100Cloudy

Purpose
20 / 20
When to use
0 / 20
Arguments
20 / 25
Return value
7 / 15
Constraints and side effects
7 / 10
Examples
10 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    Its description is nearly the same as smallinvoice_list_offers's (similarity 0.71); only the names and schemas tell them apart. Say in this description when to use smallinvoice_list_offers instead.confusable_pair
  • Minor
    Its description is nearly the same as smallinvoice_list_delivery_notes's (similarity 0.68); only the names and schemas tell them apart. Say in this description when to use smallinvoice_list_delivery_notes instead.confusable_pair
  • Minor
    No `required` list, so every argument is optional.no_required

smallinvoice_list_products

64 / 100Cloudy

Purpose
20 / 20
When to use
0 / 20
Arguments
20 / 25
Return value
7 / 15
Constraints and side effects
7 / 10
Examples
10 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    Its description is nearly the same as smallinvoice_list_services's (similarity 0.82); only the names and schemas tell them apart. Say in this description when to use smallinvoice_list_services instead.confusable_pair
  • Minor
    Its description is nearly the same as smallinvoice_list_projects's (similarity 0.68); only the names and schemas tell them apart. Say in this description when to use smallinvoice_list_projects instead.confusable_pair
  • Minor
    Its description is nearly the same as smallinvoice_list_contact_groups's (similarity 0.65); only the names and schemas tell them apart. Say in this description when to use smallinvoice_list_contact_groups instead.confusable_pair
  • Minor
    No `required` list, so every argument is optional.no_required

smallinvoice_list_services

64 / 100Cloudy

Purpose
20 / 20
When to use
0 / 20
Arguments
20 / 25
Return value
7 / 15
Constraints and side effects
7 / 10
Examples
10 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    Its description is nearly the same as smallinvoice_list_products's (similarity 0.82); only the names and schemas tell them apart. Say in this description when to use smallinvoice_list_products instead.confusable_pair
  • Minor
    Its description is nearly the same as smallinvoice_list_projects's (similarity 0.72); only the names and schemas tell them apart. Say in this description when to use smallinvoice_list_projects instead.confusable_pair
  • Minor
    Its description is nearly the same as smallinvoice_list_contact_groups's (similarity 0.68); only the names and schemas tell them apart. Say in this description when to use smallinvoice_list_contact_groups instead.confusable_pair
  • Minor
    Its description is nearly the same as smallinvoice_list_cost_units's (similarity 0.65); only the names and schemas tell them apart. Say in this description when to use smallinvoice_list_cost_units instead.confusable_pair
  • Minor
    No `required` list, so every argument is optional.no_required

smallinvoice_list_units

64 / 100Cloudy

Purpose
20 / 20
When to use
0 / 20
Arguments
20 / 25
Return value
7 / 15
Constraints and side effects
7 / 10
Examples
10 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    No `required` list, so every argument is optional.no_required

smallinvoice_list_working_hours

64 / 100Cloudy

Purpose
20 / 20
When to use
0 / 20
Arguments
20 / 25
Return value
7 / 15
Constraints and side effects
7 / 10
Examples
10 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    No `required` list, so every argument is optional.no_required

smallinvoice_create_contact

65 / 100Cloudy

Purpose
20 / 20
When to use
5 / 20
Arguments
23 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
10 / 10
  • Minor
    The description mentions none of its 3 or more arguments.params_not_in_description
  • Minor
    Says nothing about what it returns.no_return_info

smallinvoice_list_cost_units

67 / 100Cloudy

Purpose
20 / 20
When to use
0 / 20
Arguments
20 / 25
Return value
7 / 15
Constraints and side effects
10 / 10
Examples
10 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    Its description is nearly the same as smallinvoice_list_projects's (similarity 0.70); only the names and schemas tell them apart. Say in this description when to use smallinvoice_list_projects instead.confusable_pair
  • Minor
    Its description is nearly the same as smallinvoice_list_services's (similarity 0.65); only the names and schemas tell them apart. Say in this description when to use smallinvoice_list_services instead.confusable_pair
  • Minor
    No `required` list, so every argument is optional.no_required

What static scoring cannot tell

This score reads only the text of each description and schema: it says what is written, not what a model will do. Short tools whose names already say what they do, such as browser_close, score low here even when models use them well, and in our measurements current models chose the right tool in one step even from one-line descriptions, as long as the names and schemas differed. What the text cannot show, such as what happens over several steps and whether an added sentence helps or misleads, is what an evaluation measures, on the Pro and Team plans.

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