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索引已觀測

can-i-use

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

我該用這個嗎

品質與安全性

A
說明品質
93%
結構描述完整度
100%
命名品質
100%
汙染風險
100%
權限相符程度
100%
協定合規性
100%

根據工具定義與協定合規性的自動化分析。

上下文成本

~1,288Token（工具定義）
~4.5 KB典型回應大小
中等的注意力影響（128k 上下文的 1.01%）

這是每次將伺服器的工具載入模型上下文時所消耗的約略 token 數量。數量越高，可用於其他工作的注意力就越少。

安裝

一鍵安裝

將以下內容加入你的 `claude_desktop_config.json` 檔案：

{
  "mcpServers": {
    "can-i-use": {
      "url": "https://api.kaiv.ai/api/bridge/mcp/can-i-use-5446c68b"
    }
  }
}

遠端端點

https://api.kaiv.ai/api/bridge/mcp/can-i-use-5446c68bstreamable-http

它能做什麼

工具清單

工具（3）

🟢 唯讀🟡 寫入🔴 刪除⚪ 未知
🟢check_feature_support(feature)

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.

輸入結構描述

{
  "type": "object",
  "properties": {
    "feature": {
      "type": "string",
      "x-in": "query",
      "description": "Feature name or caniuse id. Loose names are resolved, e.g. \"has selector\" finds \"css-has\"."
    }
  },
  "required": [
    "feature"
  ]
}

輸出結構描述

{
  "type": "object",
  "properties": {
    "spec": {
      "type": "string",
      "nullable": true
    },
    "title": {
      "type": "string"
    },
    "feature": {
      "type": "string",
      "description": "Resolved caniuse feature id."
    },
    "meaning": {
      "type": "string",
      "description": "One sentence, safe to show a user verbatim."
    },
    "support": {
      "type": "object",
      "description": "Per-browser detail, keyed by caniuse browser id.",
      "additionalProperties": {
        "type": "object",
        "properties": {
          "since": {
            "type": "string",
            "nullable": true,
            "description": "Earliest version from which support has held continuously to the newest release. Null when never supported."
          },
          "browser": {
            "type": "string",
            "description": "Human browser name."
          },
          "current": {
            "type": "string",
            "description": "State in the newest release: supported, partial support, not supported, supported behind a vendor prefix, disabled by default."
          },
          "supported_now": {
            "type": "boolean",
            "description": "Whether the newest released version supports it."
          },
          "latest_version": {
            "type": "string",
            "nullable": true,
            "description": "Newest released version caniuse tracks for this browser."
          }
        }
      }
    },
    "description": {
      "type": "string",
      "nullable": true
    },
    "safe_to_use": {
      "type": "boolean",
      "description": "True only when global support is at least 90% AND no major browser is missing it. A conservative single answer."
    },
    "other_matches": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "id": {
            "type": "string"
          },
          "title": {
            "type": "string"
          }
        }
      },
      "description": "Other features the query could have meant."
    },
    "resolved_from": {
      "type": "string",
      "description": "The query that was matched, so a caller can see what it actually asked about."
    },
    "unsupported_in": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Major browsers whose newest release still does not support it."
    },
    "global_partial_percent": {
      "type": "number",
      "nullable": true
    },
    "global_support_percent": {
      "type": "number",
      "nullable": true,
      "description": "Percentage of tracked global users on a browser version that fully supports it."
    }
  },
  "required": [
    "feature",
    "title",
    "meaning",
    "support"
  ]
}
🟢get_feature_by_id(id)

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.

輸入結構描述

{
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "x-in": "query",
      "description": "Exact caniuse feature id, e.g. \"css-has\"."
    }
  },
  "required": [
    "id"
  ]
}

輸出結構描述

{
  "type": "object",
  "properties": {
    "spec": {
      "type": "string",
      "nullable": true
    },
    "title": {
      "type": "string"
    },
    "feature": {
      "type": "string",
      "description": "Resolved caniuse feature id."
    },
    "meaning": {
      "type": "string",
      "description": "One sentence, safe to show a user verbatim."
    },
    "support": {
      "type": "object",
      "description": "Per-browser detail, keyed by caniuse browser id.",
      "additionalProperties": {
        "type": "object",
        "properties": {
          "since": {
            "type": "string",
            "nullable": true,
            "description": "Earliest version from which support has held continuously to the newest release. Null when never supported."
          },
          "browser": {
            "type": "string",
            "description": "Human browser name."
          },
          "current": {
            "type": "string",
            "description": "State in the newest release: supported, partial support, not supported, supported behind a vendor prefix, disabled by default."
          },
          "supported_now": {
            "type": "boolean",
            "description": "Whether the newest released version supports it."
          },
          "latest_version": {
            "type": "string",
            "nullable": true,
            "description": "Newest released version caniuse tracks for this browser."
          }
        }
      }
    },
    "description": {
      "type": "string",
      "nullable": true
    },
    "safe_to_use": {
      "type": "boolean",
      "description": "True only when global support is at least 90% AND no major browser is missing it. A conservative single answer."
    },
    "other_matches": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "id": {
            "type": "string"
          },
          "title": {
            "type": "string"
          }
        }
      },
      "description": "Other features the query could have meant."
    },
    "resolved_from": {
      "type": "string",
      "description": "The query that was matched, so a caller can see what it actually asked about."
    },
    "unsupported_in": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Major browsers whose newest release still does not support it."
    },
    "global_partial_percent": {
      "type": "number",
      "nullable": true
    },
    "global_support_percent": {
      "type": "number",
      "nullable": true,
      "description": "Percentage of tracked global users on a browser version that fully supports it."
    }
  },
  "required": [
    "feature",
    "title",
    "meaning",
    "support"
  ]
}
🟢search_features(q)

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.

輸入結構描述

{
  "type": "object",
  "properties": {
    "q": {
      "type": "string",
      "x-in": "query",
      "description": "Free-text query, e.g. \"grid\" or \"web share\"."
    }
  },
  "required": [
    "q"
  ]
}

輸出結構描述

{
  "type": "object",
  "properties": {
    "count": {
      "type": "integer"
    },
    "query": {
      "type": "string"
    },
    "matches": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "id": {
            "type": "string"
          },
          "title": {
            "type": "string"
          }
        }
      }
    }
  }
}

建議的提示詞

search_research
Search for information about [topic] using can-i-use
預期的工具： search_features
find_specific
Find [specific item] using can-i-use
預期的工具： search_features
retrieve_data
Get details about [item] from can-i-use
預期的工具： get_feature_by_id
fetch_info
Fetch [information type] using can-i-use
預期的工具： get_feature_by_id
research_workflow
Search for [topic], then get detailed information about the top results using can-i-use
預期的工具： search_featuresget_feature_by_id

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