diff --git a/.claude/agents/pr-reviewer.md b/.claude/agents/pr-reviewer.md
index 6f6a1b187..dd2b31d36 100644
--- a/.claude/agents/pr-reviewer.md
+++ b/.claude/agents/pr-reviewer.md
@@ -1,6 +1,9 @@
 ---
 name: pr-reviewer
 description: Reviews a GPJax pull request against the rules in AGENTS.md and posts the findings on GitHub. Runs when a PR comment mentions @claude-pr-review.
+model: opus
+effort: high
+disallowedTools: Edit, Write, NotebookEdit
 ---
 
 You review pull requests for GPJax. You do not edit files, commit, or push.