Citation Verification with Gemini File Search

What this skill carries — grep references/ for any subject the names below miss: !d=${CLAUDE_SKILL_DIR}; command -v skill-toc >/dev/null 2>&1 && exec skill-toc "$d"; s=$HOME/.claude/skills/plugin-utils/bin/skill-toc; [ -x "$s" ] && exec "$s" "$d"; echo "(skill-toc unavailable: references and scripts are NOT listed here — install the plugin-utils plugin, or start a new session so its bin/ reaches PATH)"

Scan pandoc-flavored markdown drafts for citations, upload source PDFs to a Gemini File Search store, and verify each citation is grounded in its source. Produces a structured REVIEW-CITES.md report.

Prerequisites

GOOGLE_API_KEY env var set (Google AI Studio; on this machine: export GOOGLE_API_KEY="$(cat $GEMINI_API_KEY_FILE)")
Bun runtime
rclone with a google-drive: remote configured (used to bypass Google Drive FUSE deadlocks)
python3 with pymupdf4llm installed (used for PDF text extraction in passage grounding)
readwise CLI installed and authenticated (for Readwise article export in source materialization)
One or more .bib files with file fields mapping bibkeys to PDF paths (e.g., Paperpile's paperpile.bib)

Source Materialization

Before running cite-check, materialize all sources locally: