Connorrmcd6 · Connorrmcd6 · Jun 15, 2026 · Jun 15, 2026
diff --git a/README.md b/README.md
@@ -154,6 +154,13 @@ Full docs at **[surface.gradientdev.xyz](https://surface.gradientdev.xyz)** (sou
 Release history is in [`CHANGELOG.md`](CHANGELOG.md). AI agents working in this repo: see
 [`AGENTS.md`](AGENTS.md).
 
+## Benchmark
+
+The agent-impact benchmark — measuring how much documentation accuracy changes an agent's task
+performance — lives in its own repo: **[Connorrmcd6/surface-bench](https://github.com/Connorrmcd6/surface-bench)**.
+It consumes the `surf` binary's output but has no inbound dependency on this core. (It previously
+lived under `bench/` here.)
+
 ---
 
 <sub>The naming isn't decoration: the *gradient* of a field is everywhere perpendicular to its level *surfaces* — the direction of change, and the thing the change is measured against. Surface reports **divergence** between what your docs claim and what your code does.</sub>
diff --git a/bench/.gitignore b/bench/.gitignore
diff --git a/bench/ABC_CHECKLIST.md b/bench/ABC_CHECKLIST.md
diff --git a/bench/PREREGISTRATION.md b/bench/PREREGISTRATION.md