unit-converter
Unit Converter API
在单位之间进行转换 —— 长度、重量、温度、体积、速度、数据存储。包含公式。通过 x402(Base L2 上的 USDC)按次付费 —— 无需 API 密钥、无需注册、无速率限制。
属于 klymax402 市场的一部分 —— 为 AI 智能体提供 100 个 x402 微支付 API,一个钱包,使用 Base 上的 USDC。
快速入门 -- MCP
添加到你的 MCP 客户端配置中(Claude Desktop、Cursor、ElizaOS 等):
{
"mcpServers": {
"unit-converter": {
"url": "https://unit-converter.api.klymax402.com/mcp"
}
}
}Related MCP server: ucon-mcp
快速入门 —— HTTP (x402)
curl -X POST "https://unit-converter.api.klymax402.com/api/convert" \
-H "Content-Type: application/json" \
-d '{"value":"1","from":"...","to":"..."}'
# -> 402 Payment Required, with an x402 payment challenge in the response body任何支持 x402 的客户端(@x402/fetch、x402-agent-tools、ATXP)都会自动处理 402 -> 签名 -> 重试的循环。
工具
工具 | 方法 | 路径 | 价格 | 描述 |
| POST |
| $0.003 | 在测量单位之间转换一个值 |
utility_convert_units
当你需要在测量单位之间进行转换时,请使用此工具。返回 JSON 格式的转换结果及公式。
参数
名称 | 类型 | 必填 | 描述 |
| number | 是 | 要转换的数值 |
| string | 是 | 源单位(例如 km、lb、celsius、l、mph、MB) |
| string | 是 | 目标单位(例如 mi、kg、fahrenheit、gal、km/h、GB) |
| string | 否 | 可选的类别提示:length, weight, temperature, volume, speed, data |
示例响应:
{"inputValue":100,"from":"km","to":"mi","result":62.1371,"formula":"100 km * 0.621371 = 62.1371 mi","category":"length"}何时使用:在计算、数据分析、科学计算、食谱调整和工程应用中进行单位转换。
不适用于:货币转换(请使用 finance_convert_currency)、时区转换(请使用 utility_convert_timezone)、股价查询(请使用 finance_get_stock_price)。
示例智能体提示词
“在测量单位之间进行转换”
支付
协议:x402 —— HTTP 原生按次付费,无需注册、无需 API 密钥
网络:Base L2(
eip155:8453)资产:USDC
促进方:Coinbase CDP(主要),PayAPI(备用)
也可以通过 ATXP(OAuth 包装的 x402,RFC 9728 受保护资源元数据)访问
属于 klymax402 的一部分
为 AI 智能体提供 100 个 x402 微支付 API —— 一个钱包,Base 上的 USDC,零注册。
完整 API 参考:https://klymax402.com/llms-full.txt
许可证
MIT
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