com.googleapis.firestore/mcp: tool descriptions scored

tools/list taken: 2026-11-02 (UTC)
From: Official MCP Registry
Connected to: https://firestore.googleapis.com/mcp
Scoring rules: v2
Removal: support@forecall.dev

Scores, issues and names only

This page shows how com.googleapis.firestore/mcp'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/com.googleapis.firestore/mcp

Average score: 44.3 / 100Cloudy
Tools: 23
Near-identical descriptions: 18

Across the server

Minor
18 pairs with nearly the same description in all; the top 12 are shown.confusable_pair_total
Minor
The server has no instructions. Say there, once, what the server is for and when to use it: Claude Code and Gemini CLI read the instructions before the tool descriptions.instructions_missing

Tools whose descriptions are nearly the same

12 of 18 pairs shown, highest description similarity first.
Tool	Tool	Description similarity	Name similarity
get_document	get_database	0.75	0.33
add_document	create_database	0.75	0.00
update_document	update_database	0.75	0.33
delete_document	delete_database	0.75	0.33
get_backup	get_backup_schedule	0.75	0.67
delete_backup	delete_backup_schedule	0.75	0.67
get_document	add_document	0.60	0.33
get_document	update_document	0.60	0.33
get_document	delete_document	0.60	0.33
add_document	update_document	0.60	0.33
add_document	delete_document	0.60	0.33
update_document	delete_document	0.60	0.33

Tools

add_document

44 / 100Cloudy

Purpose: 6 / 20
When to use: 0 / 20
Arguments: 18 / 25
Return value: 8 / 15
Constraints and side effects: 7 / 10
Examples: 5 / 10

Major
The description only restates the name (7 words).restates_name
Major
The description is too short (7 words).too_short
Major
Says nothing about when to use it, or when not to.no_usage_context
Minor
Its description is nearly the same as create_database's (similarity 0.75); only the names and schemas tell them apart. Say in this description when to use create_database instead.confusable_pair
Minor
Its description is nearly the same as get_document's (similarity 0.60); only the names and schemas tell them apart. Say in this description when to use get_document instead.confusable_pair
Minor
Its description is nearly the same as update_document's (similarity 0.60); only the names and schemas tell them apart. Say in this description when to use update_document instead.confusable_pair
Minor
Its description is nearly the same as delete_document's (similarity 0.60); only the names and schemas tell them apart. Say in this description when to use delete_document instead.confusable_pair
Minor
Required identifiers whose description does not say where the value comes from: collectionId, parent. Name the tool or the place that returns it, or models look it up first.id_source_missing

create_backup_schedule

44 / 100Cloudy

Purpose: 6 / 20
When to use: 0 / 20
Arguments: 18 / 25
Return value: 8 / 15
Constraints and side effects: 7 / 10
Examples: 5 / 10

Major
The description only restates the name (5 words).restates_name
Major
The description is too short (5 words).too_short
Major
Says nothing about when to use it, or when not to.no_usage_context
Minor
Required identifiers whose description does not say where the value comes from: parent. Name the tool or the place that returns it, or models look it up first.id_source_missing

create_database

44 / 100Cloudy

Purpose: 6 / 20
When to use: 0 / 20
Arguments: 18 / 25
Return value: 8 / 15
Constraints and side effects: 7 / 10
Examples: 5 / 10

Major
The description only restates the name (4 words).restates_name
Major
The description is too short (4 words).too_short
Major
Says nothing about when to use it, or when not to.no_usage_context
Minor
Its description is nearly the same as add_document's (similarity 0.75); only the names and schemas tell them apart. Say in this description when to use add_document instead.confusable_pair
Minor
Required identifiers whose description does not say where the value comes from: databaseId, parent. Name the tool or the place that returns it, or models look it up first.id_source_missing

create_index

44 / 100Cloudy

Purpose: 6 / 20
When to use: 0 / 20
Arguments: 18 / 25
Return value: 8 / 15
Constraints and side effects: 7 / 10
Examples: 5 / 10

Major
The description only restates the name (4 words).restates_name
Major
The description is too short (4 words).too_short
Major
Says nothing about when to use it, or when not to.no_usage_context
Minor
Required identifiers whose description does not say where the value comes from: parent. Name the tool or the place that returns it, or models look it up first.id_source_missing

delete_backup

44 / 100Cloudy

Purpose: 6 / 20
When to use: 0 / 20
Arguments: 18 / 25
Return value: 8 / 15
Constraints and side effects: 7 / 10
Examples: 5 / 10

Major
The description only restates the name (4 words).restates_name
Major
The description is too short (4 words).too_short
Major
Says nothing about when to use it, or when not to.no_usage_context
Minor
Its description is nearly the same as delete_backup_schedule's (similarity 0.75); only the names and schemas tell them apart. Say in this description when to use delete_backup_schedule instead.confusable_pair

delete_backup_schedule

44 / 100Cloudy

Purpose: 6 / 20
When to use: 0 / 20
Arguments: 18 / 25
Return value: 8 / 15
Constraints and side effects: 7 / 10
Examples: 5 / 10

Major
The description only restates the name (5 words).restates_name
Major
The description is too short (5 words).too_short
Major
Says nothing about when to use it, or when not to.no_usage_context
Minor
Its description is nearly the same as delete_backup's (similarity 0.75); only the names and schemas tell them apart. Say in this description when to use delete_backup instead.confusable_pair

delete_database

44 / 100Cloudy

Purpose: 6 / 20
When to use: 0 / 20
Arguments: 18 / 25
Return value: 8 / 15
Constraints and side effects: 7 / 10
Examples: 5 / 10

Major
The description only restates the name (4 words).restates_name
Major
The description is too short (4 words).too_short
Major
Says nothing about when to use it, or when not to.no_usage_context
Minor
Its description is nearly the same as delete_document's (similarity 0.75); only the names and schemas tell them apart. Say in this description when to use delete_document instead.confusable_pair

delete_document

44 / 100Cloudy

Purpose: 6 / 20
When to use: 0 / 20
Arguments: 18 / 25
Return value: 8 / 15
Constraints and side effects: 7 / 10
Examples: 5 / 10

Major
The description only restates the name (7 words).restates_name
Major
The description is too short (7 words).too_short
Major
Says nothing about when to use it, or when not to.no_usage_context
Minor
Its description is nearly the same as delete_database's (similarity 0.75); only the names and schemas tell them apart. Say in this description when to use delete_database instead.confusable_pair
Minor
Its description is nearly the same as get_document's (similarity 0.60); only the names and schemas tell them apart. Say in this description when to use get_document instead.confusable_pair
Minor
Its description is nearly the same as add_document's (similarity 0.60); only the names and schemas tell them apart. Say in this description when to use add_document instead.confusable_pair
Minor
Its description is nearly the same as update_document's (similarity 0.60); only the names and schemas tell them apart. Say in this description when to use update_document instead.confusable_pair
Minor
The description mentions none of its 3 or more arguments.params_not_in_description

delete_index

44 / 100Cloudy

Purpose: 6 / 20
When to use: 0 / 20
Arguments: 18 / 25
Return value: 8 / 15
Constraints and side effects: 7 / 10
Examples: 5 / 10

Major
The description only restates the name (4 words).restates_name
Major
The description is too short (4 words).too_short
Major
Says nothing about when to use it, or when not to.no_usage_context

get_backup

44 / 100Cloudy

Purpose: 6 / 20
When to use: 0 / 20
Arguments: 18 / 25
Return value: 8 / 15
Constraints and side effects: 7 / 10
Examples: 5 / 10

Major
The description only restates the name (4 words).restates_name
Major
The description is too short (4 words).too_short
Major
Says nothing about when to use it, or when not to.no_usage_context
Minor
Its description is nearly the same as get_backup_schedule's (similarity 0.75); only the names and schemas tell them apart. Say in this description when to use get_backup_schedule instead.confusable_pair

get_backup_schedule

44 / 100Cloudy

Purpose: 6 / 20
When to use: 0 / 20
Arguments: 18 / 25
Return value: 8 / 15
Constraints and side effects: 7 / 10
Examples: 5 / 10

Major
The description only restates the name (5 words).restates_name
Major
The description is too short (5 words).too_short
Major
Says nothing about when to use it, or when not to.no_usage_context
Minor
Its description is nearly the same as get_backup's (similarity 0.75); only the names and schemas tell them apart. Say in this description when to use get_backup instead.confusable_pair

get_database

44 / 100Cloudy

Purpose: 6 / 20
When to use: 0 / 20
Arguments: 18 / 25
Return value: 8 / 15
Constraints and side effects: 7 / 10
Examples: 5 / 10

Major
The description only restates the name (4 words).restates_name
Major
The description is too short (4 words).too_short
Major
Says nothing about when to use it, or when not to.no_usage_context
Minor
Its description is nearly the same as get_document's (similarity 0.75); only the names and schemas tell them apart. Say in this description when to use get_document instead.confusable_pair

get_index

44 / 100Cloudy

Purpose: 6 / 20
When to use: 0 / 20
Arguments: 18 / 25
Return value: 8 / 15
Constraints and side effects: 7 / 10
Examples: 5 / 10

Major
The description only restates the name (4 words).restates_name
Major
The description is too short (4 words).too_short
Major
Says nothing about when to use it, or when not to.no_usage_context

list_backup_schedules

44 / 100Cloudy

Purpose: 6 / 20
When to use: 0 / 20
Arguments: 18 / 25
Return value: 8 / 15
Constraints and side effects: 7 / 10
Examples: 5 / 10

Major
The description only restates the name (4 words).restates_name
Major
The description is too short (4 words).too_short
Major
Says nothing about when to use it, or when not to.no_usage_context
Minor
Required identifiers whose description does not say where the value comes from: parent. Name the tool or the place that returns it, or models look it up first.id_source_missing

list_backups

44 / 100Cloudy

Purpose: 6 / 20
When to use: 0 / 20
Arguments: 18 / 25
Return value: 8 / 15
Constraints and side effects: 7 / 10
Examples: 5 / 10

Major
The description only restates the name (3 words).restates_name
Major
The description is too short (3 words).too_short
Major
Says nothing about when to use it, or when not to.no_usage_context
Minor
Required identifiers whose description does not say where the value comes from: parent. Name the tool or the place that returns it, or models look it up first.id_source_missing

list_databases

44 / 100Cloudy

Purpose: 6 / 20
When to use: 0 / 20
Arguments: 18 / 25
Return value: 8 / 15
Constraints and side effects: 7 / 10
Examples: 5 / 10

Major
The description only restates the name (3 words).restates_name
Major
The description is too short (3 words).too_short
Major
Says nothing about when to use it, or when not to.no_usage_context
Minor
Required identifiers whose description does not say where the value comes from: parent. Name the tool or the place that returns it, or models look it up first.id_source_missing

list_indexes

44 / 100Cloudy

Purpose: 6 / 20
When to use: 0 / 20
Arguments: 18 / 25
Return value: 8 / 15
Constraints and side effects: 7 / 10
Examples: 5 / 10

Major
The description only restates the name (3 words).restates_name
Major
The description is too short (3 words).too_short
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
Required identifiers whose description does not say where the value comes from: parent. Name the tool or the place that returns it, or models look it up first.id_source_missing

update_backup_schedule

44 / 100Cloudy

Purpose: 6 / 20
When to use: 0 / 20
Arguments: 23 / 25
Return value: 8 / 15
Constraints and side effects: 7 / 10
Examples: 0 / 10

Major
The description only restates the name (5 words).restates_name
Major
The description is too short (5 words).too_short
Major
Says nothing about when to use it, or when not to.no_usage_context

update_database

44 / 100Cloudy

Purpose: 6 / 20
When to use: 0 / 20
Arguments: 23 / 25
Return value: 8 / 15
Constraints and side effects: 7 / 10
Examples: 0 / 10

Major
The description only restates the name (4 words).restates_name
Major
The description is too short (4 words).too_short
Major
Says nothing about when to use it, or when not to.no_usage_context
Minor
Its description is nearly the same as update_document's (similarity 0.75); only the names and schemas tell them apart. Say in this description when to use update_document instead.confusable_pair

update_document

44 / 100Cloudy

Purpose: 6 / 20
When to use: 0 / 20
Arguments: 23 / 25
Return value: 8 / 15
Constraints and side effects: 7 / 10
Examples: 0 / 10

Major
The description only restates the name (7 words).restates_name
Major
The description is too short (7 words).too_short
Major
Says nothing about when to use it, or when not to.no_usage_context
Minor
Its description is nearly the same as update_database's (similarity 0.75); only the names and schemas tell them apart. Say in this description when to use update_database instead.confusable_pair
Minor
Its description is nearly the same as get_document's (similarity 0.60); only the names and schemas tell them apart. Say in this description when to use get_document instead.confusable_pair
Minor
Its description is nearly the same as add_document's (similarity 0.60); only the names and schemas tell them apart. Say in this description when to use add_document instead.confusable_pair
Minor
Its description is nearly the same as delete_document's (similarity 0.60); only the names and schemas tell them apart. Say in this description when to use delete_document instead.confusable_pair

list_collections

46 / 100Cloudy

Purpose: 6 / 20
When to use: 0 / 20
Arguments: 20 / 25
Return value: 8 / 15
Constraints and side effects: 7 / 10
Examples: 5 / 10

Major
The description only restates the name (8 words).restates_name
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
Required identifiers whose description does not say where the value comes from: parent. Name the tool or the place that returns it, or models look it up first.id_source_missing

list_documents

46 / 100Cloudy

Purpose: 6 / 20
When to use: 0 / 20
Arguments: 20 / 25
Return value: 8 / 15
Constraints and side effects: 7 / 10
Examples: 5 / 10

Major
The description only restates the name (6 words).restates_name
Major
The description is too short (6 words).too_short
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
Required identifiers whose description does not say where the value comes from: parent. Name the tool or the place that returns it, or models look it up first.id_source_missing

get_document

47 / 100Cloudy

Purpose: 6 / 20
When to use: 0 / 20
Arguments: 21 / 25
Return value: 8 / 15
Constraints and side effects: 7 / 10
Examples: 5 / 10

Major
The description only restates the name (7 words).restates_name
Major
The description is too short (7 words).too_short
Major
Says nothing about when to use it, or when not to.no_usage_context
Minor
Its description is nearly the same as get_database's (similarity 0.75); only the names and schemas tell them apart. Say in this description when to use get_database instead.confusable_pair
Minor
Its description is nearly the same as add_document's (similarity 0.60); only the names and schemas tell them apart. Say in this description when to use add_document instead.confusable_pair
Minor
Its description is nearly the same as update_document's (similarity 0.60); only the names and schemas tell them apart. Say in this description when to use update_document instead.confusable_pair
Minor
Its description is nearly the same as delete_document's (similarity 0.60); only the names and schemas tell them apart. Say in this description when to use delete_document instead.confusable_pair
Minor
The description mentions none of its 3 or more arguments.params_not_in_description

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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