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can-i-use

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Browser support for web features, live from caniuse. From which version, and is it safe to ship?

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Status
Healthy
Last Tested
Transport
Streamable HTTP
URL

Available Tools

3 tools
check_feature_supportCheck Feature Support
Read-onlyIdempotent
Inspect

Can I use this feature, and from which browser version?

Accepts a loose name (":has()", "container queries", "css-grid") and resolves it to a caniuse feature, then returns the earliest continuously-supported version per major browser, global usage percentage, and a conservative safe_to_use flag. Use this first; it answers the whole question in one call.

ParametersJSON Schema
NameRequiredDescriptionDefault
featureYesFeature name or caniuse id. Loose names are resolved, e.g. "has selector" finds "css-has".

Output Schema

ParametersJSON Schema
NameRequiredDescription
specNo
titleYes
featureYesResolved caniuse feature id.
meaningYesOne sentence, safe to show a user verbatim.
supportYesPer-browser detail, keyed by caniuse browser id.
descriptionNo
safe_to_useNoTrue only when global support is at least 90% AND no major browser is missing it. A conservative single answer.
other_matchesNoOther features the query could have meant.
resolved_fromNoThe query that was matched, so a caller can see what it actually asked about.
unsupported_inNoMajor browsers whose newest release still does not support it.
global_partial_percentNo
global_support_percentNoPercentage of tracked global users on a browser version that fully supports it.
get_feature_by_idGet Feature By Id
Read-onlyIdempotent
Inspect

Support table for an exact caniuse feature id.

Use when the id is already known, for example from a previous search. No fuzzy matching is applied.

ParametersJSON Schema
NameRequiredDescriptionDefault
idYesExact caniuse feature id, e.g. "css-has".

Output Schema

ParametersJSON Schema
NameRequiredDescription
specNo
titleYes
featureYesResolved caniuse feature id.
meaningYesOne sentence, safe to show a user verbatim.
supportYesPer-browser detail, keyed by caniuse browser id.
descriptionNo
safe_to_useNoTrue only when global support is at least 90% AND no major browser is missing it. A conservative single answer.
other_matchesNoOther features the query could have meant.
resolved_fromNoThe query that was matched, so a caller can see what it actually asked about.
unsupported_inNoMajor browsers whose newest release still does not support it.
global_partial_percentNo
global_support_percentNoPercentage of tracked global users on a browser version that fully supports it.
search_featuresSearch Features
Read-onlyIdempotent
Inspect

Find the caniuse feature id for a loose query.

Use when a query is ambiguous and you want to choose between candidates before checking support.

ParametersJSON Schema
NameRequiredDescriptionDefault
qYesFree-text query, e.g. "grid" or "web share".

Output Schema

ParametersJSON Schema
NameRequiredDescription
countNo
queryNo
matchesNo

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections. Dates show when Glama detected each change.

  1. 3 tool updates
    • First observedcheck_feature_support
    • First observedget_feature_by_id
    • First observedsearch_features

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