diff --git a/scripts/prompt.md b/scripts/prompt.md
index 2e96e0a..d1d8582 100644
--- a/scripts/prompt.md
+++ b/scripts/prompt.md
@@ -13,8 +13,14 @@ Prefer minimal, correct changes. Run relevant checks or tests if practical.
 Commit your changes locally. Do not expose secrets. Finish by reporting what
 changed and what tests ran.
 
-The triggering comment body is below.
-
----
+# Comment body
 
+```
 ${COMMENT_BODY}
+```
+
+# Full issue comment history
+
+```
+${ISSUE_COMMENTS}
+```
\ No newline at end of file
diff --git a/scripts/run-codex.sh b/scripts/run-codex.sh
index 804894a..b44e0f5 100644
--- a/scripts/run-codex.sh
+++ b/scripts/run-codex.sh
@@ -4,6 +4,13 @@ set -euo pipefail
 git config --global user.name bot
 git config --global user.email noreply@capsulizers.com
 
+export ISSUE_COMMENTS="$(
+  curl --fail-with-body --silent --show-error \
+    -H "Authorization: token ${GITEA_TOKEN}" \
+    "${GITEA_API_URL}/repos/${GITEA_REPOSITORY}/issues/${ISSUE_INDEX}/comments?limit=100" \
+    | jq -r '.[] | "## " + .user.login + " at " + .created_at + "\n\n" + .body + "\n"'
+)"
+
 FINAL_PROMPT="$(envsubst < "${ACTION_PATH}/scripts/prompt.md")"
 OUTPUT_FILE="$(mktemp)"