Skill Hub
Local skills for finance, legal, operations and engineering teams: no third-party dependencies, running entirely on your machine so business data never leaves it.
Jinshan Railway Schedule
Schedules, stops, fares and next departures for Shanghai Jinshan Railway
npx skills add m9ai/m9ai-skills --skill jinshan-train-skillShanghai School District Lookup
Find the catchment schools for a Shanghai address or residence
Amount to Chinese Capital
Convert amounts into Chinese capital form for invoices and contracts
npx skills add m9ai/m9ai-skills --skill amount-to-chinese-skillInvoice Field Validator
Batch-validate invoice code/number format, amount/tax consistency and issue dates
npx skills add m9ai/m9ai-skills --skill invoice-field-checker-skillBank Reconciliation
Fuzzy-match two statements by amount and date, list the unmatched items
npx skills add m9ai/m9ai-skills --skill bank-reconciliation-skillExpense Claim Audit
Check required fields, totals and duplicate receipts; over-limit items checked against limits you supply
npx skills add m9ai/m9ai-skills --skill expense-audit-skillDeadline Calculator
Compute deadlines under the Civil Code, with automatic holiday rollover
npx skills add m9ai/m9ai-skills --skill deadline-calculator-skillPII Redactor
Detect and mask phone numbers, ID numbers, bank cards, emails, plates and IP addresses
npx skills add m9ai/m9ai-skills --skill pii-redactor-skillContract Checklist
Check whether a contract contains all required clauses, list what is missing
npx skills add m9ai/m9ai-skills --skill contract-checklist-skillFile Evidence Seal
Generate a verifiable SHA-256 manifest for a directory
npx skills add m9ai/m9ai-skills --skill file-evidence-seal-skillCSV Cleaner
Encoding detection, delimiter sniffing, type normalisation, date standardisation
npx skills add m9ai/m9ai-skills --skill csv-cleaner-skillCSV Aggregator
Group-by aggregation and descriptive statistics ready to cite
npx skills add m9ai/m9ai-skills --skill csv-aggregator-skillData Quality Checker
Null rates, uniqueness, outliers and enum validity in one report
npx skills add m9ai/m9ai-skills --skill data-quality-checker-skillTable Diff
Compare two tables by key column: added, removed and changed rows
npx skills add m9ai/m9ai-skills --skill csv-diff-skillBanned Word Checker
Detect banned terms and common evasions; semantic variants go to the Agent
npx skills add m9ai/m9ai-skills --skill banned-word-checker-skillPII Leak Scanner
Scan text for phone numbers, ID numbers, bank cards, emails and keys
npx skills add m9ai/m9ai-skills --skill pii-leak-scanner-skillAd Law Risk Checker
Flag advertising-law risk wording such as superlatives and efficacy claims
npx skills add m9ai/m9ai-skills --skill ad-law-risk-checker-skillBatch Rename
Rename many files by rule: preview first, execute, and undo
npx skills add m9ai/m9ai-skills --skill batch-rename-skillDuplicate File Finder
Group identical files by content hash; you decide what to delete
npx skills add m9ai/m9ai-skills --skill duplicate-file-finder-skillDirectory Fingerprint
Compare two directories side by side by content
npx skills add m9ai/m9ai-skills --skill dir-fingerprint-skillMarkdown Linter
Check and fix Markdown headings, lists, links and tables
npx skills add m9ai/m9ai-skills --skill markdown-linter-skillMarkdown Table Builder
Turn CSV/TSV into an aligned Markdown table
npx skills add m9ai/m9ai-skills --skill markdown-table-builder-skillSubtitle Converter
Convert SRT / ASS / VTT subtitles, preserving timing and text
npx skills add m9ai/m9ai-skills --skill subtitle-converter-skillJSON Toolkit
Format, batch-validate and generate TypeScript types
npx skills add m9ai/m9ai-skills --skill json-toolkit-skillSecret Scanner
Scan a codebase for keys, access keys and private key material
npx skills add m9ai/m9ai-skills --skill secret-scanner-skillCron Explainer
Parse cron expressions: next run times and a plain-language description
npx skills add m9ai/m9ai-skills --skill cron-explainer-skillThis is a skill catalogue rather than a shop: every entry is free to obtain. Items marked In development or Planned are not released yet and only describe the roadmap.