/ultrareview Command

New Claude Code slash command announced alongside Opus 4.7. Spins up a dedicated review session that reads through all pending code changes and flags issues before committing — designed to reduce hallucinated edits and catch logical errors in the planning phase.

Key points

Announced alongside Opus 4.7 release (April 2026) ^[src-010]
Launches a dedicated review sub-session with elevated reasoning (uses Opus 4.7's higher reasoning capacity) ^[src-010]
Reads all changed files, staged diffs, and pending work before outputting a structured review report ^[src-010]
Distinct from /review — /ultrareview uses the Ultra plan's multi-agent exploration capability to cover more surface area ^[src-010]

Related entities

Claude Code — the tool that ships this command
Claude Opus 4 7 — the model powering the review session

Related concepts

Claude Code Loop — /ultrareview is a verification step within the standard code loop
Effort Levels — /ultrareview uses elevated effort for thorough analysis

Source references

^[src-010] Nate Herk — Cloud agents & model releases cluster (2026-04-14 to 2026-04-17)

Robin Cartier perspective

This page is part of Robin Cartier's working AI knowledge graph: a practical research layer for production AI, recommendation systems, experimentation, GEO, and agentic web readiness.

The useful next step is to connect this concept back to applied product leadership and operating models.

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