The Synthesizer takes multiple Deep Research reports on the same topic and produces a structured compare-and-contrast document. It adds nothing from outside the source material. No opinions, no external knowledge.

Appends a ## Cross-Source Synthesis section to the research index.md
with three subsections: Shared Findings (2+ sources), Unique Findings
(grouped by source), and Contradictions.
claude --agent synthesizer
Source: .claude/agents/synthesizer.md