data-footnote-writerlisted

# Data Footnote Writer ## What This Skill Does Writes precise, publication-standard footnotes for data claims in a finished article — citing sources accurately, explaining how figures were derived where necessary, and flagging any caveats that qualified readers need to know. ## When To Use This Skill - An article contains data claims that need formal sourcing in footnotes or endnotes - An editor or fact-checker has asked for sources to be footnoted before publication - You are writing a long-form data feature, annual report, or policy brief where footnoted sourcing is standard - You want to ensure every quantitative claim in a piece is traceable to its source ## What You Need To Provide **Required:** The data claims from the article that need footnotes (the exact sentences or figures). The source for each claim — dataset name, institution, publication date, and URL or file reference. Whether the figure was taken directly from the source or derived through analysis. **Optional:** The publication format (academic, journalism, policy report) and its citation style if known; any methodological notes that should appear in the footnote rather than the body text. ## How the Assistant Approaches This 1. For each claim, identifies whether the figure is a direct quote from a source or a calculated/derived figure — and adjusts the footnote language accordingly ("Source: X" for direct quotes; "Calculated from X using [method]" for derived figures). 2. Writes each footnote to the mini