GuardMarket保本销量
commerce.break_evenCalculate the smallest integer unit count covering fixed costs from positive unit contribution.
COMMERCE + DATA · MCP
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125 个已实现的电商与数据处理能力，开放参数、输入输出样例与调用约定。支持 Claude、Qwen 与 Codex 的 MCP 接入。
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A CLEAR EXECUTION FLOW
- Search发现合适技能
- Describe检查参数、价格与影响
- Invoke在授权与价格上限内执行
- Receipt保留结果与计费回执
125技能文档11能力分类5MCP 工具
REFERENCE CATALOG
找到需要的能力
125 个技能
购物车金额汇总
commerce.cart_totalRound each line to cents, apply one order discount, tax discounted items and add untaxed shipping; caller supplies the rate.
平台与开发者分成
commerce.commission_splitSplit a cent-rounded gross amount; round the platform share half-up and give the exact remainder to the developer.
比较采购报价
commerce.compare_offersSort named offers by unrounded unit price and then name; display rounded unit prices.
按指定汇率换算
commerce.currency_convertMultiply a nonnegative amount by the caller's plain-decimal exchange rate; no live exchange-rate lookup.
折扣价格
commerce.discountRound the original price to cents, then calculate a percentage discount and final price; discount rounds half-up to cents.
毛利与毛利率
commerce.marginCalculate gross profit and gross margin as a percentage of selling price.
成本加成定价
commerce.markupCalculate markup as a percentage of cost and return the resulting price.
按毛利率定价
commerce.price_from_marginCompute cost / (1 - margin/100), rounding the proposed price to cents.
按价格步长取整
commerce.price_to_incrementRound a nonnegative price up to the nearest positive increment of whole cents.
检查商品资料完整性
commerce.product_completenessReport missing, null, empty-string or empty-list fields against caller-specified required product keys.
生成商品 SKU
commerce.sku_generateConstruct a deterministic uppercase SKU from ASCII alphanumeric segments after accent removal; caller controls uniqueness.
价税分离
commerce.taxRound the supplied amount to cents and calculate tax-exclusive or tax-inclusive amounts from the caller's rate; does not determine applicable tax rules.
阶梯用量定价
commerce.tiered_pricingApply graduated pricing to each tier's incremental quantity, rounding each band's cost to cents; final tier must cover quantity.
单位价格
commerce.unit_priceDivide total price by positive quantity and round to two decimals for comparison display.
包裹体积重
commerce.volumetric_weightCalculate L×W×H/divisor from centimetre dimensions; caller supplies the carrier's divisor and actual kilograms.
防止表格公式注入
csv.escape_formulasPrefix risky spreadsheet cells (=,+,-,@ or control/leading-whitespace variants) with an apostrophe before CSV export.
解析 CSV 行
csv.parseParse supplied CSV into string rows with explicit delimiter and strict quoting.
选择数据表列
csv.select_columnsSelect zero-based column indices from every row; missing columns fail.
CSV 转对象列表
csv.to_recordsUse the first row as unique nonempty headers and require equal row widths.
转置数据表
csv.transposeTranspose a rectangular string table; ragged rows are rejected.
生成 CSV
csv.writeSerialize string rows using RFC-style quoting and LF line endings.
日期加减天数
datetime.add_daysAdd a signed number of calendar days to an ISO date.
日期加减月份
datetime.add_monthsShift calendar months and clamp the day to the destination month's final day.
统计工作日
datetime.business_daysCount Monday-Friday days in [start,end), excluding explicitly supplied holidays; no jurisdiction-specific calendar is assumed.
转换时区偏移
datetime.convert_offsetRender an aware ISO datetime at a supplied fixed UTC offset in minutes; no daylight-saving rules are inferred.
分解日期
datetime.date_partsReturn calendar fields, ISO weekday (Monday=1), ISO week/year and day of year.
生成日期序列
datetime.date_rangeGenerate an ascending inclusive date sequence with positive day spacing and at most 1000 dates.
计算日期间隔
datetime.days_betweenReturn signed end minus start in calendar days.
时间戳转日期时间
datetime.from_unixConvert Unix seconds in the supported year range to an ISO UTC datetime.
月份起止日期
datetime.month_boundsReturn the first and last calendar dates of the supplied date's month.
日期时间转时间戳
datetime.to_unixConvert an ISO datetime with explicit UTC offset to Unix seconds.
Base64 解码
encoding.base64_decodeStrictly decode standard Base64 into UTF-8 text, rejecting binary or malformed input.
Base64 编码
encoding.base64_encodeEncode UTF-8 text into standard padded Base64.
十六进制解码
encoding.hex_decodeDecode hexadecimal bytes as strict UTF-8 text; ASCII whitespace is permitted.
十六进制编码
encoding.hex_encodeEncode the UTF-8 bytes of text as lowercase hexadecimal.
生成查询参数
encoding.query_buildBuild a form-encoded query string from ordered key/value pairs; spaces become +.
解析查询参数
encoding.query_parseParse form-style query parameters into ordered key/value pairs, preserving duplicate keys and blanks.
SHA256 校验和
encoding.sha256Compute SHA256 of supplied UTF-8 text; no file access.
SHA512 校验和
encoding.sha512Compute SHA512 of supplied UTF-8 text; no file access.
URL 组件解码
encoding.url_decodeStrictly percent-decode a UTF-8 component; literal + remains +.
URL 组件编码
encoding.url_encodePercent-encode a UTF-8 URL component; spaces become %20.
解析 URL
encoding.url_parseSplit a URL into components without requesting it; invalid ports raise an input error.
确定性 UUID
encoding.uuid_v5Generate a namespace-based UUID v5 using a supplied DNS name; unsuitable as a secret token.
ABC 库存分类
inventory.abc_classifySort annual consumption value descending; classify by cumulative share BEFORE each item (A<80%, B<95%, else C); zero-value totals are C.
按订单顺序分配库存
inventory.allocateAllocate a supplied stock quantity to requests in input order, reporting unfilled demand and remaining units.
计算可售库存
inventory.availableSubtract reserved and safety stock from on-hand inventory, reporting nonnegative availability and shortfall.
库存可用天数
inventory.days_of_coverDivide available units by positive daily demand; zero demand is rejected rather than returned as infinity.
库存盘点差异
inventory.reconcileCompare expected and counted quantities across the union of unique SKUs; missing records count as zero.
计算补货点
inventory.reorder_pointUse demand×lead time+safety stock, rounded up; compare with on-hand+on-order-reserved inventory position.
比较 JSON 数据
json.diffReport sorted leaf-path additions, removals and changes; this is a report, not an RFC 6902 patch.
展平 JSON
json.flattenMap each leaf or empty container to its escaped RFC 6901 path, preserving array indices.
格式化 JSON
json.formatSerialize supplied JSON with sorted keys and bounded indentation.
读取 JSON 路径
json.get_pointerRead a value at an RFC 6901 pointer, including escaped slashes and tildes; missing paths fail.
列出对象字段
json.keysReturn sorted top-level keys from an object.
合并 JSON 对象
json.merge_objectsShallow-merge objects in order; later values replace earlier values for the same key.
排除对象字段
json.omitRemove requested top-level keys from a supplied object.
解析 JSON
json.parseParse strict JSON; reject duplicate object keys, non-finite numbers and nesting deeper than ten containers.
保留对象字段
json.pickReturn only requested keys that exist, preserving requested key order.
更新 JSON 路径
json.set_pointerReturn a copied document with a value replaced or object key inserted; parent containers must exist.
限制数值区间
math.clampClamp a value between inclusive minimum and maximum, rejecting inverted intervals.
组合数
math.combinationsCompute the exact number of k-element selections from n, bounded to n ≤ 100.
整数商和余数
math.divmodReturn Python floor-division quotient and corresponding remainder; divisor zero is rejected.
阶乘
math.factorialCompute n! for integers from 0 through 60 with a fixed arithmetic bound.
最大公约数
math.gcdReturn the nonnegative greatest common divisor of two bounded integers.
线性插值
math.interpolateCalculate the y value along the line through two points; coincident x coordinates are rejected.
最小公倍数
math.lcmReturn the nonnegative least common multiple of two bounded integers; zero input returns zero.
计算占比
math.percentageReturn part / whole × 100; zero denominator is rejected.
计算增长率
math.percentage_changeReturn (new-old)/abs(old) × 100; zero baseline is rejected.
有界幂运算
math.powerRaise a bounded base to an integer exponent from -10 to 10; reject zero negative powers and overflow.
连乘
math.productMultiply at most 25 bounded values; empty product is 1.
约分整数比
math.ratio_simplifyDivide an integer ratio by its greatest common divisor; normalize a negative denominator.
十进制四舍五入
math.round_decimalRound a plain decimal string using ROUND_HALF_UP and return fixed fractional digits.
平方根
math.sqrtReturn the nonnegative square root of a nonnegative finite value.
求和
math.sumSum a finite bounded list with compensated floating-point summation.
直方分箱
statistics.histogramCount values in supplied increasing bins, left-inclusive/right-exclusive except the final inclusive edge.
算术平均数
statistics.meanCompute the arithmetic mean of a nonempty finite list.
中位数
statistics.medianReturn the median, averaging the middle two values for even-length input.
最小最大归一化
statistics.minmax_normalizeScale values to [0,1] using observed minimum/maximum; a constant series becomes all zeros.
众数
statistics.modeReturn every most-frequent number sorted ascending, including ties.
移动平均
statistics.moving_averageReturn complete sliding-window arithmetic means without padding.
百分位数
statistics.percentileCompute a percentile by linear interpolation at (n-1) × p/100.
标准差
statistics.stddevCompute population or sample standard deviation with standard Bessel correction for samples.
方差
statistics.varianceCompute population or sample variance; sample variance requires at least two observations.
加权平均
statistics.weighted_meanCompute a weighted arithmetic mean with nonnegative weights and a positive total weight.
变换大小写
text.change_caseApply lower, upper, title or Unicode casefold casing.
统计字符频率
text.character_frequencyReturn per-character frequencies, including whitespace and Unicode characters.
去重文本行
text.deduplicate_linesRemove duplicate lines while preserving the first occurrence and exact whitespace.
转义 HTML
text.html_escapeEscape &, angle brackets and quotes for text/attribute embedding.
提取 HTML 正文
text.html_to_textExtract visible text from supplied HTML, suppressing script and style content; does not fetch resources.
还原 HTML 实体
text.html_unescapeDecode named and numeric HTML character references.
缩进文本
text.indentPrefix every nonempty line with a bounded number of spaces.
拼接文本
text.joinJoin supplied strings with a literal delimiter.
生成词组
text.ngramsGenerate consecutive n-word windows from whitespace-delimited words; max 500 output windows.
规范空白
text.normalize_whitespaceCollapse Unicode whitespace into single spaces and trim ends.
去除前后缀
text.remove_prefix_suffixRemove one matching literal prefix and suffix; leave unmatched boundaries intact.
替换字面文本
text.replaceReplace literal occurrences, with a bounded maximum replacement count.
生成 URL 短名
text.slugRemove Latin accents, lowercase, and join Unicode alphanumeric segments with hyphens.
排序文本行
text.sort_linesSort lines lexicographically, optionally descending.
拆分文本
text.splitSplit on a nonempty literal delimiter, including empty fields.
文本统计
text.statsCount Unicode characters, UTF-8 bytes, logical lines and non-whitespace characters.
去除重音
text.strip_accentsRemove combining marks after Unicode NFD normalization; preserves non-Latin characters.
提取文本词项
text.tokenizeReturn Unicode alphanumeric tokens in original order, discarding punctuation.
截断文本
text.truncateLimit Unicode character count, counting the suffix inside the requested limit.
规范 Unicode
text.unicode_normalizeNormalize text using one of the four standard Unicode normalization forms.
统计词数
text.word_countCount Unicode letter/number words using fixed token boundaries.
文本折行
text.wrapWrap paragraphs to a bounded width using standard whitespace wrapping.
面积单位换算
units.areaConvert area using explicit base-unit factors; numeric result uses IEEE floating-point.
时长单位换算
units.durationConvert duration using explicit base-unit factors; numeric result uses IEEE floating-point.
长度单位换算
units.lengthConvert length using explicit base-unit factors; numeric result uses IEEE floating-point.
质量单位换算
units.massConvert mass using explicit base-unit factors; numeric result uses IEEE floating-point.
速度单位换算
units.speedConvert speed using explicit base-unit factors; numeric result uses IEEE floating-point.
数字存储容量单位换算
units.storageConvert storage using explicit base-unit factors; numeric result uses IEEE floating-point.
温度单位换算
units.temperatureConvert Celsius, Fahrenheit and Kelvin; reject temperatures below absolute zero.
体积单位换算
units.volumeConvert volume using explicit base-unit factors; numeric result uses IEEE floating-point.
查找重复数据
validation.duplicatesReport repeated JSON values and counts in first-appearance order, with object keys compared order-independently.
EAN-13 条码校验
validation.ean13Validate exactly 13 ASCII digits and the EAN-13 check digit; does not confirm product registration.
检查邮箱语法
validation.emailValidate common unquoted ASCII email syntax and domain labels; does not establish mailbox existence.
检查 HTTP URL
validation.http_urlCheck basic http/https URL structure, hostname presence, port and absence of credentials/control/whitespace; not an SSRF policy.
检查 IP 地址
validation.ip_addressValidate a literal IPv4 or IPv6 address of the requested version without DNS lookup.
检查日期有效性
validation.iso_dateCheck exact YYYY-MM-DD syntax and actual Gregorian calendar validity.
Luhn 校验
validation.luhnCheck a supplied 2–32 digit identifier with the Luhn checksum; does not validate an account or authorize a payment.
检查数值区间
validation.numeric_rangeReturn zero-based indices and values outside a caller-supplied inclusive interval; inverted bounds are rejected.
检查记录必填字段
validation.required_fieldsReport 1-based rows missing required keys or containing null/empty-string values; zero and false remain valid.
检查 UUID
validation.uuidValidate canonical hyphenated UUID syntax, case-insensitively; does not require a particular UUID version.
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