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AI Arena Agent Tools: tool descriptions scored ca.ai-arena/agent-tools

tools/list taken
(UTC)
From
Official MCP Registry
Connected to
https://mcp.ai-arena.ca/mcp
Homepage
api.ai-arena.ca/v1/agent-catalog
Scoring rules
v2
Removal
support@forecall.dev
Score this URL as it is today

Scores, issues and names only

This page shows how AI Arena Agent Tools (ca.ai-arena/agent-tools)'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/ca.ai-arena/agent-tools
Average score
36.7 / 100Rain
Tools
48
Near-identical descriptions
6

Across the server

  • Major
    48 tools. Above 40, models choose less accurately.too_many_tools

Tools whose descriptions are nearly the same

6 of 6 pairs shown, highest description similarity first.
ToolToolDescription similarityName similarity
canada_open_data_search_evidenceaustralia_open_data_search_evidence0.820.67
canada_open_data_search_evidencenz_open_data_search_evidence0.750.67
australia_open_data_search_evidencenz_open_data_search_evidence0.750.67
canada_open_data_search_basicaustralia_open_data_search_basic0.540.67
australia_open_data_search_basicnz_open_data_search_basic0.540.67
canada_open_data_search_basicnz_open_data_search_basic0.430.67

Tools

aerospace_glossary

24 / 100Rain

Purpose
10 / 20
When to use
0 / 20
Arguments
7 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Major
    Arguments without a description: category, query.param_no_description
  • Minor
    No `required` list, so every argument is optional.no_required
  • Minor
    Says nothing about what it returns.no_return_info

supply_disruption_screen

26 / 100Rain

Purpose
14 / 20
When to use
0 / 20
Arguments
5 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Major
    Arguments without a description: incident, incident.facility, incident.event_type, incident.occurred_at, incident.source_url, incident.operational_impact, product, product.identifier, product.facility_product_link_reviewed, product.relationship_source_url, observations, observations[].supplier, observations[].observed_at, observations[].condition, observations[].availability, observations[].price, observations[].currency, observations[].quantity, observations[].lead_days.param_no_description
  • Minor
    String arguments with no constraint or example: incident.facility, incident.event_type, incident.occurred_at, incident.source_url, incident.operational_impact, product.identifier, product.relationship_source_url, observations[].supplier, observations[].observed_at, observations[].condition, observations[].availability, observations[].currency.loose_string_param
  • Minor
    The meaning of the boolean argument product.facility_product_link_reviewed is unclear.vague_boolean
  • Minor
    Says nothing about what it returns.no_return_info

aerospace_source_directory

28 / 100Rain

Purpose
14 / 20
When to use
0 / 20
Arguments
7 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Major
    Arguments without a description: category, query.param_no_description
  • Minor
    No `required` list, so every argument is optional.no_required
  • Minor
    Says nothing about what it returns.no_return_info

fda_recall_search_evidence

30 / 100Rain

Purpose
13 / 20
When to use
0 / 20
Arguments
10 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Major
    Arguments without a description: category, query, limit.param_no_description
  • 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

fema_disaster_declarations_basic

30 / 100Rain

Purpose
13 / 20
When to use
0 / 20
Arguments
10 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Major
    Arguments without a description: state, limit.param_no_description
  • Minor
    Says nothing about what it returns.no_return_info

nhtsa_vehicle_recalls_basic

30 / 100Rain

Purpose
13 / 20
When to use
0 / 20
Arguments
10 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Major
    Arguments without a description: model_year, make, model.param_no_description
  • Minor
    Says nothing about what it returns.no_return_info

nhtsa_vehicle_recalls_evidence

30 / 100Rain

Purpose
13 / 20
When to use
0 / 20
Arguments
10 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Major
    Arguments without a description: model_year, make, model.param_no_description
  • 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

nws_active_alerts_evidence

30 / 100Rain

Purpose
13 / 20
When to use
0 / 20
Arguments
10 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Major
    Arguments without a description: area, limit.param_no_description
  • Minor
    Says nothing about what it returns.no_return_info

us_federal_award_basic

30 / 100Rain

Purpose
13 / 20
When to use
0 / 20
Arguments
10 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Major
    Arguments without a description: award_id.param_no_description
  • Minor
    Says nothing about what it returns.no_return_info
  • Minor
    Required identifiers whose description does not say where the value comes from: award_id. Name the tool or the place that returns it, or models look it up first.id_source_missing

us_recipient_search_basic

30 / 100Rain

Purpose
13 / 20
When to use
0 / 20
Arguments
10 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Major
    Arguments without a description: query, limit.param_no_description
  • Minor
    Says nothing about what it returns.no_return_info

aerospace_capability_signals

31 / 100Rain

Purpose
17 / 20
When to use
0 / 20
Arguments
7 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Major
    Arguments without a description: capability, query, limit.param_no_description
  • Minor
    No `required` list, so every argument is optional.no_required
  • 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

aerospace_events

31 / 100Rain

Purpose
17 / 20
When to use
0 / 20
Arguments
7 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Major
    Arguments without a description: query, limit, category, source.param_no_description
  • Minor
    No `required` list, so every argument is optional.no_required
  • 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

automotive_vehicle_safety_brief

31 / 100Rain

Purpose
14 / 20
When to use
0 / 20
Arguments
10 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Major
    Arguments without a description: year, make, model, limit.param_no_description
  • Minor
    Says nothing about what it returns.no_return_info

intelligence_incident_feed

31 / 100Rain

Purpose
17 / 20
When to use
0 / 20
Arguments
7 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Major
    Arguments without a description: query, source, category, region, limit.param_no_description
  • Minor
    No `required` list, so every argument is optional.no_required
  • 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

intelligence_package_directory

31 / 100Rain

Purpose
17 / 20
When to use
0 / 20
Arguments
7 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Major
    Arguments without a description: query, sector, limit.param_no_description
  • Minor
    No `required` list, so every argument is optional.no_required
  • 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

australia_open_data_search_basic

34 / 100Rain

Purpose
17 / 20
When to use
0 / 20
Arguments
10 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Major
    Arguments without a description: query, limit.param_no_description
  • Minor
    Its description is nearly the same as canada_open_data_search_basic's (similarity 0.54); only the names and schemas tell them apart. Say in this description when to use canada_open_data_search_basic instead.confusable_pair
  • Minor
    Its description is nearly the same as nz_open_data_search_basic's (similarity 0.54); only the names and schemas tell them apart. Say in this description when to use nz_open_data_search_basic instead.confusable_pair
  • Minor
    Says nothing about what it returns.no_return_info

australia_open_data_search_evidence

34 / 100Rain

Purpose
17 / 20
When to use
0 / 20
Arguments
10 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Major
    Arguments without a description: query, limit.param_no_description
  • Minor
    Its description is nearly the same as canada_open_data_search_evidence's (similarity 0.82); only the names and schemas tell them apart. Say in this description when to use canada_open_data_search_evidence instead.confusable_pair
  • Minor
    Its description is nearly the same as nz_open_data_search_evidence's (similarity 0.75); only the names and schemas tell them apart. Say in this description when to use nz_open_data_search_evidence instead.confusable_pair
  • Minor
    Says nothing about what it returns.no_return_info

canada_open_data_search_evidence

34 / 100Rain

Purpose
17 / 20
When to use
0 / 20
Arguments
10 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Major
    Arguments without a description: query, limit.param_no_description
  • Minor
    Its description is nearly the same as australia_open_data_search_evidence's (similarity 0.82); only the names and schemas tell them apart. Say in this description when to use australia_open_data_search_evidence instead.confusable_pair
  • Minor
    Its description is nearly the same as nz_open_data_search_evidence's (similarity 0.75); only the names and schemas tell them apart. Say in this description when to use nz_open_data_search_evidence instead.confusable_pair
  • Minor
    Says nothing about what it returns.no_return_info

fda_recall_search_basic

34 / 100Rain

Purpose
17 / 20
When to use
0 / 20
Arguments
10 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Major
    Arguments without a description: category, query, limit.param_no_description
  • 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

federal_register_search_basic

34 / 100Rain

Purpose
17 / 20
When to use
0 / 20
Arguments
10 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Major
    Arguments without a description: query, limit.param_no_description
  • Minor
    Says nothing about what it returns.no_return_info

federal_register_search_evidence

34 / 100Rain

Purpose
17 / 20
When to use
0 / 20
Arguments
10 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Major
    Arguments without a description: query, limit.param_no_description
  • Minor
    Says nothing about what it returns.no_return_info

fema_disaster_declarations_evidence

34 / 100Rain

Purpose
17 / 20
When to use
0 / 20
Arguments
10 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Major
    Arguments without a description: state, limit.param_no_description
  • Minor
    Says nothing about what it returns.no_return_info

intelligence_execute_package

34 / 100Rain

Purpose
17 / 20
When to use
0 / 20
Arguments
10 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Major
    Arguments without a description: package_id, query, year, make, model, area, latitude, longitude, radius_km, limit.param_no_description
  • 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: package_id. Name the tool or the place that returns it, or models look it up first.id_source_missing

intelligence_facility_proximity

34 / 100Rain

Purpose
17 / 20
When to use
0 / 20
Arguments
10 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Major
    Arguments without a description: latitude, longitude, radius_km.param_no_description
  • 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

nws_active_alerts_basic

34 / 100Rain

Purpose
17 / 20
When to use
0 / 20
Arguments
10 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Major
    Arguments without a description: area, limit.param_no_description
  • Minor
    Says nothing about what it returns.no_return_info

nz_open_data_search_basic

34 / 100Rain

Purpose
17 / 20
When to use
0 / 20
Arguments
10 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Major
    Arguments without a description: query, limit.param_no_description
  • Minor
    Its description is nearly the same as australia_open_data_search_basic's (similarity 0.54); only the names and schemas tell them apart. Say in this description when to use australia_open_data_search_basic instead.confusable_pair
  • Minor
    Its description is nearly the same as canada_open_data_search_basic's (similarity 0.43); only the names and schemas tell them apart. Say in this description when to use canada_open_data_search_basic instead.confusable_pair
  • Minor
    Says nothing about what it returns.no_return_info

nz_open_data_search_evidence

34 / 100Rain

Purpose
17 / 20
When to use
0 / 20
Arguments
10 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Major
    Arguments without a description: query, limit.param_no_description
  • Minor
    Its description is nearly the same as canada_open_data_search_evidence's (similarity 0.75); only the names and schemas tell them apart. Say in this description when to use canada_open_data_search_evidence instead.confusable_pair
  • Minor
    Its description is nearly the same as australia_open_data_search_evidence's (similarity 0.75); only the names and schemas tell them apart. Say in this description when to use australia_open_data_search_evidence instead.confusable_pair
  • Minor
    Says nothing about what it returns.no_return_info

tender_preflight_basic

34 / 100Rain

Purpose
17 / 20
When to use
0 / 20
Arguments
10 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Major
    Arguments without a description: text.param_no_description
  • Minor
    Says nothing about what it returns.no_return_info

tender_preflight_evidence

34 / 100Rain

Purpose
17 / 20
When to use
0 / 20
Arguments
10 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Major
    Arguments without a description: text.param_no_description
  • Minor
    Says nothing about what it returns.no_return_info

us_federal_award_evidence

34 / 100Rain

Purpose
17 / 20
When to use
0 / 20
Arguments
10 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Major
    Arguments without a description: award_id.param_no_description
  • Minor
    Says nothing about what it returns.no_return_info
  • Minor
    Required identifiers whose description does not say where the value comes from: award_id. Name the tool or the place that returns it, or models look it up first.id_source_missing

aerospace_part_price_trend

39 / 100Rain

Purpose
17 / 20
When to use
5 / 20
Arguments
10 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
0 / 10
  • Major
    Arguments without a description: part_number.param_no_description
  • Minor
    Says nothing about what it returns.no_return_info

canada_open_data_search_basic

41 / 100Cloudy

Purpose
17 / 20
When to use
0 / 20
Arguments
10 / 25
Return value
7 / 15
Constraints and side effects
7 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Major
    Arguments without a description: query, limit.param_no_description
  • Minor
    Its description is nearly the same as australia_open_data_search_basic's (similarity 0.54); only the names and schemas tell them apart. Say in this description when to use australia_open_data_search_basic instead.confusable_pair
  • Minor
    Its description is nearly the same as nz_open_data_search_basic's (similarity 0.43); only the names and schemas tell them apart. Say in this description when to use nz_open_data_search_basic instead.confusable_pair

eu_ted_search_basic

42 / 100Cloudy

Purpose
17 / 20
When to use
0 / 20
Arguments
18 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    Arguments without a description: limit.param_no_description
  • Minor
    Says nothing about what it returns.no_return_info

eu_ted_search_evidence

42 / 100Cloudy

Purpose
17 / 20
When to use
0 / 20
Arguments
18 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    Arguments without a description: limit.param_no_description
  • Minor
    Says nothing about what it returns.no_return_info

sec_action_radar_basic

42 / 100Cloudy

Purpose
17 / 20
When to use
0 / 20
Arguments
18 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    Arguments without a description: limit.param_no_description
  • Minor
    Says nothing about what it returns.no_return_info

sec_action_radar_evidence

42 / 100Cloudy

Purpose
17 / 20
When to use
0 / 20
Arguments
18 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    Arguments without a description: limit.param_no_description
  • Minor
    Says nothing about what it returns.no_return_info

sec_recent_filings_basic

42 / 100Cloudy

Purpose
17 / 20
When to use
0 / 20
Arguments
18 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    Arguments without a description: limit.param_no_description
  • Minor
    Says nothing about what it returns.no_return_info

sec_recent_filings_evidence

42 / 100Cloudy

Purpose
17 / 20
When to use
0 / 20
Arguments
18 / 25
Return value
0 / 15
Constraints and side effects
7 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    Arguments without a description: limit.param_no_description
  • Minor
    Says nothing about what it returns.no_return_info

aerospace_part_observations

44 / 100Cloudy

Purpose
17 / 20
When to use
0 / 20
Arguments
10 / 25
Return value
7 / 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
  • Major
    Arguments without a description: part_number.param_no_description

us_recipient_search_evidence

44 / 100Cloudy

Purpose
17 / 20
When to use
0 / 20
Arguments
10 / 25
Return value
7 / 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
  • Major
    Arguments without a description: query, limit.param_no_description

aerospace_overview

45 / 100Cloudy

Purpose
13 / 20
When to use
0 / 20
Arguments
25 / 25
Return value
0 / 15
Constraints and side effects
7 / 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

ai_arena_status

45 / 100Cloudy

Purpose
13 / 20
When to use
0 / 20
Arguments
25 / 25
Return value
0 / 15
Constraints and side effects
7 / 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

automotive_safety_source_directory

46 / 100Cloudy

Purpose
14 / 20
When to use
0 / 20
Arguments
25 / 25
Return value
0 / 15
Constraints and side effects
7 / 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

sec_company_fact_search_evidence

47 / 100Cloudy

Purpose
17 / 20
When to use
0 / 20
Arguments
18 / 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
    Arguments without a description: cik.param_no_description
  • Minor
    Says nothing about what it returns.no_return_info

intelligence_source_health

49 / 100Cloudy

Purpose
17 / 20
When to use
0 / 20
Arguments
25 / 25
Return value
0 / 15
Constraints and side effects
7 / 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

uk_find_tender_lookup_evidence

49 / 100Cloudy

Purpose
17 / 20
When to use
0 / 20
Arguments
25 / 25
Return value
0 / 15
Constraints and side effects
7 / 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

sec_company_fact_search_basic

50 / 100Cloudy

Purpose
13 / 20
When to use
0 / 20
Arguments
18 / 25
Return value
7 / 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
    Arguments without a description: cik.param_no_description

uk_find_tender_lookup_basic

56 / 100Cloudy

Purpose
17 / 20
When to use
0 / 20
Arguments
25 / 25
Return value
7 / 15
Constraints and side effects
7 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context

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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