skill-librarian

Validate JSON against a schema and report the first failing path. Use when checking API payloads, config files, or fixtures against a JSON Schema, or debugging "why does this JSON not validate". Triggers on "validate json", "json schema check".

Convert a CSV file into a formatted Markdown table. Use when the user wants to turn CSV/TSV data into a Markdown table, tabulate a spreadsheet, or paste tabular data into docs. Triggers on "csv to markdown", "make a table from this data".