diff --git a/benches/baselines/grep-corpus.json b/benches/baselines/grep-corpus.json
new file mode 100644
index 0000000..5a9b502
--- /dev/null
+++ b/benches/baselines/grep-corpus.json
@@ -0,0 +1,7 @@
+{
+  "commit_sha": "77eeaecc",
+  "timestamp": "2026-07-06T16:06:55+00:00",
+  "corpus_size": 1000,
+  "bytes_total": 6870672,
+  "notes": "Baseline captured before grep implementation (blocked on 7.8.x beads). Corpus metrics only - timing throughput not yet available. Grep subcommand not yet implemented."
+}
\ No newline at end of file