88 tools that hand back a finished file

duizhang_report — 两份账目对账 → 可交付的 PDF 对账报告:差额、仅在A、仅在B、金额不一致的条目,附勾稽自证(整数分独立重算)。入参 url_a/text_a 与 url_b/text_b,key(对账键)、amount(金额列)。自证不通过不计费。 FREE BETA [复制curl]
reachability_report — 一批 URL 的中国大陆可达性体检 → PDF 报告:逐个的可达结论、延迟、HTTP 状态与大陆 DNS 解析到的 IP。探测从真实的中国移动骨干网节点发出,不是境外 VPS 推断。入参 urls(数组或逗号分隔,最多 20 个)。自证不通过不计费。 FREE BETA [复制curl]
customs_elements — 商品描述 → 报关要素整理表(HS 码 + 归类依据 + 申报要素清单)+ PDF。⚠️ 这是给报关行的起点而不是报关结论,报告里会写明实测准确率。入参 description,可选 country。自证不通过不计费。 FREE BETA [复制curl]
listing_kuajing — 产品信息 → 跨境电商 Listing(标题、要点、描述、关键词)。按平台公开的字段上限逐项量长度:Amazon 标题 200 字符、要点各 500 字符,超限即判不通过。入参 product,可选 platform(amazon/ebay/shopee)。自证不通过不计费。 FREE BETA [复制curl]
finance_monthly — 一份收支表(csv/xlsx)→ 月度财务报告 PDF:按月汇总收入、支出、净额与笔数。合计独立算两遍并逐分勾稽,读不出的日期或金额会让报告判不通过而不是被当成零。入参 url 或 text,date(日期列)、amount(金额列)。自证不通过不计费。 FREE BETA [复制curl]
batch_invoice_ledger — 一批发票 → 可入账的台账 xlsx。每行在代码里校验 净额+税额=价税合计,批次合计按两条路径各加一遍;对不上的行会被标出来而不是悄悄入账。混合币种刻意不给批次合计(相加是记账错误)。入参 urls。自证不通过不计费。 FREE BETA [复制curl]
seo_audit_report — 一个站点 → SEO 与 AI 可见度体检 PDF:SEO 结构建议、AI 检索里的可见度评级,外加中国大陆可达性(境外站最常被忽略的一项)。入参 url。自证不通过不计费。 FREE BETA [复制curl]
meeting_pack — 会议录音 → 纪要包 PDF:转写、要点、决议、待办。纪要里点名的负责人会与转写原文比对 —— 把任务安排给一个从没在录音里出现过的人,报告会判不通过。入参 url(音频直链)。自证不通过不计费。 FREE BETA [复制curl]
doc_translate_cn — 文档翻译成中文,保留段落结构。逐段翻译并核对段落条数进出一致 —— 漏译最常见的形态就是整段消失,这里会当场发现。入参 url(文档链接)或 text,可选 target(默认 zh)。自证不通过不计费。 FREE BETA [复制curl]
table_clean_report — 脏表清洗 + 一份说明"到底改了什么"的清洗日志报告(PDF):去重、去空白、统一空值,并给出行数勾稽 进 − 删 = 出。入参 url 或 text,可选 ops。自证不通过不计费。 FREE BETA [复制curl]

make_chart — Chart FREE BETA [复制curl]
csv_to_chart — CSV (first column = labels, second = values) → chart PNG in one call FREE BETA [复制curl]
make_badge — Label + message + color → README badge (SVG), shields FREE BETA [复制curl]
make_qr — Text/URL → QR code PNG FREE BETA [复制curl]

translate_srt — Translate an FREE BETA [复制curl]
translate_i18n_json — Translate an i18n JSON locale file to another language, keeping the key structure identical FREE BETA [复制curl]
classify_hs_code — Classify a product into a US 10-digit HTS code from its name, attributes, and category — narrowing chapter → heading → statistical line against the official USITC schedule, and verifying the final code actually exists FREE BETA [复制curl]
ask_web — Web search plus a cited answer in one call FREE BETA [复制curl]
extract_structured — Any webpage or raw text into clean JSON with the fields you ask for FREE BETA [复制curl]
json_repair — Fix broken JSON (trailing commas, single quotes, unquoted keys, truncation, stray prose) into valid JSON — the everyday failure of every LLM pipeline FREE BETA [复制curl]
summarize_url — Any article URL into a tight summary with key points, in the language you ask for FREE BETA [复制curl]
code_review — Paste code or a git diff, get a concrete review: bugs, edge cases, security smells — each with a suggested fix FREE BETA [复制curl]
adversarial_review — Adversarial code/config/design review FREE BETA [复制curl]
mcp_config_audit — Audit an MCP / agent config (JSON/YAML) for risk: over-broad tool permissions, destructive tools not annotated, secrets in config, trusted external URLs, missing rate/scope limits FREE BETA [复制curl]
red_team_prompt — Red-team YOUR OWN system prompt: given a system/instruction prompt, generate attack examples that try to break it (jailbreak, instruction override, data exfiltration) and concrete hardening FREE BETA [复制curl]
validate_idea — YC-style idea validation: answers six forcing questions about your idea (who is in pain, current workaround, narrowest wedge, why now, how you would observe demand, whether it holds in 3 years) FREE BETA [复制curl]
panel_review — Multi-persona review: a pessimistic investor, a target user, and a competitor CTO each give their OWN (mutually conflicting) take on your plan, then a list of the real disagreements FREE BETA [复制curl]
narrowest_wedge — Cut a big plan into the smallest slice that can be validated in two weeks, with a concrete pass/fail test FREE BETA [复制curl]
classify_text — Classify text into your own labels: text + labels ("spam, urgent, normal") → {label, confidence, why} FREE BETA [复制curl]

redact_text — Strip secrets and personal data out of text before sending it to an AI or a third party FREE BETA [复制curl]

pdf_add_page_numbers — Add page numbers (or a footer text) to every page of a PDF FREE BETA [复制curl]

split_spritesheet — Split a packed sprite sheet into individual transparent PNGs FREE BETA [复制curl]
text_to_image — Generate an image from a text prompt (AI image generation) FREE BETA [复制curl]
make_logo — Generate a clean logo image from a brand name and description FREE BETA [复制curl]
make_social_image — Generate a social media / blog cover image from a topic FREE BETA [复制curl]

fix_csv_encoding — Repair a CSV that opens as garbled text in Excel: detects the real encoding, fixes mojibake (UTF-8 read as Latin-1), and re-emits UTF-8 with a BOM so Excel opens it correctly FREE BETA [复制curl]
csv_to_qbo — Transaction CSV → FREE BETA [复制curl]
extract_tables — PDF with tables → structured rows (JSON + CSV) FREE BETA [复制curl]
pdf_to_markdown — PDF or scanned page image → clean Markdown that keeps the structure: headings, lists, tables, and reading order for multi-column layouts FREE BETA [复制curl]

clean_table — Tidy a messy CSV: drop duplicate rows, trim whitespace, unify blank values, remove empty rows/columns, split one column into several, transpose rows/columns, or reshape a wide table into a long one (the format analysis tools want) FREE BETA [复制curl]
merge_tables — Merge several CSVs into one FREE BETA [复制curl]
dedupe_entities — Find records in a supplier/customer/store list that are probably the SAME entity under different names — "北京星辰科技有限公司" vs "星辰科技(北京)" — by cross-checking name similarity against hard identifiers: tax ID (统一社会信用代码, checksum-verified), phone, domain, bank account, address FREE BETA [复制curl]
match_transactions — Match bank statement lines to ledger/invoice entries when there is NO shared key — by amount, date window, reference numbers found inside free-text descriptions, and fuzzy counterparty names ("北京XX科技" vs "XX科技(北京)") FREE BETA [复制curl]
read_xlsx — Read an Excel FREE BETA [复制curl]
write_xlsx — Build an Excel FREE BETA [复制curl]
reconcile_ledger — Reconcile two ledgers (e FREE BETA [复制curl]
diff_tables — Compare two tables row by row on a key column and report what differs — rows only in A, only in B, and rows present in both whose other columns disagree (with the exact column and both values) FREE BETA [复制curl]

hs_lookup — Look up a US HTS (Harmonized Tariff Schedule) code — full 10-digit or any prefix — and get the official description path from chapter down to the statistical line, plus whether the exact code EXISTS in the current schedule FREE BETA [复制curl]
get_weather — Live weather for any city: current conditions + 3-day forecast FREE BETA [复制curl]
package_info — Look up a package across ecosystems: latest version, license, repo, description, deps and (npm) weekly downloads FREE BETA [复制curl]
check_vulns — Check a package version for known security vulnerabilities (CVE/GHSA) via OSV FREE BETA [复制curl]
exchange_rate — Currency exchange rates from the European Central Bank daily reference rates FREE BETA [复制curl]
domain_check — Check if a domain is registered (whois/RDAP): availability, registrar, creation and expiry dates FREE BETA [复制curl]
ssl_check — Check the SSL/TLS certificate of any domain: issuer, expiry date, days remaining FREE BETA [复制curl]
china_reachability — Test whether a URL is reachable from mainland China: HTTP status, latency, DNS from a Chinese resolver FREE BETA [复制curl]
get_air_quality — Live air quality for any city: AQI (US + European), PM2 FREE BETA [复制curl]
ip_lookup — IP address geolocation + ISP: country, region, city, ISP/org, timezone FREE BETA [复制curl]
timezone_convert — Convert a time between time zones, or get current time in any zone FREE BETA [复制curl]

json_yaml — Convert between JSON and YAML in either direction FREE BETA [复制curl]
validate_json — Check whether text is valid JSON, and optionally whether it matches a JSON Schema (required keys and types) FREE BETA [复制curl]
diff_text — Line-by-line difference between two texts: which lines were added, removed, or changed, with line numbers FREE BETA [复制curl]
jwt_decode — Decode a JWT to see its header and payload, including human-readable expiry (and whether it is already expired) FREE BETA [复制curl]
regex_test — Test a regular expression against sample text: does it match, what did it capture, at which positions FREE BETA [复制curl]

check_resume — Check whether an ATS (applicant tracking system) can actually parse a resume: is the text extractable, are contact details and standard sections findable, do multi-column layouts or tables get in the way FREE BETA [复制curl]
extract_invoices — A batch of invoices (PDF or page images) → one ledger-ready table: number, date, seller, buyer, net / tax / gross, currency FREE BETA [复制curl]
extract_statement — Bank statement / transaction PDF → clean transaction table (JSON + CSV) with a reconciliation check: opening + credits - debits should equal closing FREE BETA [复制curl]

transpile_sql — Translate SQL between dialects: mysql, postgres, sqlite, tsql, oracle, snowflake, bigquery, redshift, spark, hive, presto, trino, duckdb, clickhouse, databricks, doris, starrocks and more FREE BETA [复制curl]

ai_visibility — Check whether AI assistants can actually read and cite a site: which AI crawlers robots FREE BETA [复制curl]

lunar_calendar — Chinese lunar calendar for any date: 农历/干支/生肖/节气/星期 FREE BETA [复制curl]
bazi_chart — 八字排盘 Chinese BaZi chart from birth datetime: four pillars, five elements count, zodiac FREE BETA [复制curl]
huangli — 今日黄历 Chinese almanac for any date: 宜/忌 (auspicious/avoid), 冲煞, 彭祖百忌 FREE BETA [复制curl]
pick_lucky_days — 择吉日: find auspicious days in a month for an event (结婚/搬家/开业/装修/出行/签约/安床/订婚/安葬 FREE BETA [复制curl]
cn_holiday — 中国法定节假日: is a date a holiday / workday / 调休补班? Plus the next public holiday FREE BETA [复制curl]

id_validate — 校验中国居民身份证号(GB 11643 校验位 + 出生日期真实性),并解出生日、年龄、性别、登记地行政区划码。不联网,不存储号码。 FREE BETA [复制curl]
uscc_validate — 校验统一社会信用代码(GB 32100 校验位)。做企业名单去重、发票抬头核对时,先过这一关能挡掉大部分录入错误。 FREE BETA [复制curl]
bankcard_validate — 银行卡号 Luhn 校验(ISO/IEC 7812)。只验号码自洽性,不查开户行——那需要会变的 BIN 库,本工具不猜。 FREE BETA [复制curl]
plate_validate — 中国车牌号校验:省份简称 + 发牌机关 + 序号,支持新能源 6 位(D/F 打头或结尾),排除车牌禁用的字母 I/O。 FREE BETA [复制curl]
vin_validate — 车架号 VIN 校验(ISO 3779 第 9 位校验位),并拆出 WMI/VDS/VIS 三段。 FREE BETA [复制curl]
isbn_validate — ISBN-10 / ISBN-13 校验位验证,自动识别格式,容忍连字符。 FREE BETA [复制curl]
imei_validate — IMEI 校验(15 位 Luhn)。设备台账、以旧换新核对时用。 FREE BETA [复制curl]
iban_validate — 国际银行账号 IBAN 校验(ISO 13616 MOD-97)。跨境收款前核对账号,能挡掉抄错一位这类最常见的退汇原因。 FREE BETA [复制curl]
barcode_validate — EAN-13 / UPC-A / EAN-8 条码校验位验证,并给出 GS1 前缀所属成员组织。注意:前缀标识分配号码的组织,不等于商品产地。 FREE BETA [复制curl]
amount_to_chinese — 人民币金额转中文大写(壹佰万零壹元贰角叁分)。开票、合同、支票场景,手写容易错的那一步。 FREE BETA [复制curl]
amount_to_english — 金额转英文大写(SAY USD ONE THOUSAND FREE BETA [复制curl]
tax_calc_cn — 中国个人所得税:综合所得年度汇算(2019 年起税率表,速算扣除法)。income 必填;可传 special_deduction(三险一金)、special_additional(专项附加)、threshold(默认 60000)。结果带算术自证。 FREE BETA [复制curl]
vat_calc_cn — 增值税价税分离:含税价 ⇄ 不含税价 + 税额。rate 传 0 FREE BETA [复制curl]
loan_calc — 贷款测算:等额本息(默认)与等额本金(method=equal_principal)。principal + annual_rate + years/months。返回月供、总利息、总还款与前几期还款计划,带算术自证。 FREE BETA [复制curl]
workday_between — 算两个日期之间的中国法定工作日天数(识别调休补班,不是简单去周末)。start + end,YYYY-MM-DD。数据来自随代码发布的节假日表。 FREE BETA [复制curl]