diff --git a/bin/bwopencode b/bin/bwopencode
index 77f1911..d2d65b5 100755
--- a/bin/bwopencode
+++ b/bin/bwopencode
@@ -294,7 +294,9 @@ build_opencode_authoring_mounts() {
 # sources; config in the project cannot override it.
 #
 # Both opencode.json and opencode.jsonc are mounted when present, so
-# opencode can pick whichever format it prefers.
+# opencode can pick whichever format it prefers.  A managed
+# /etc/opencode/AGENTS.md is mounted too when present (opencode.jsonc
+# references it via "instructions").
 #
 # On hosts without /etc/opencode/, nothing is bound here — opencode
 # falls back to user config at ~/.config/opencode/ as usual.  A
@@ -314,6 +316,10 @@ build_managed_config() {
         if [[ "${_has_jsonc}" -eq 1 ]]; then
             BWRAP_ARGS+=(--ro-bind /etc/opencode/opencode.jsonc /etc/opencode/opencode.jsonc)
         fi
+        # Managed AGENTS.md, referenced from opencode.jsonc via "instructions".
+        if [[ -f /etc/opencode/AGENTS.md ]]; then
+            BWRAP_ARGS+=(--ro-bind /etc/opencode/AGENTS.md /etc/opencode/AGENTS.md)
+        fi
     else
         printf 'bwopencode: warning: no /etc/opencode/opencode.json{,c} found on host.\n' >&2
         printf '            Falling back to user config at ~/.config/opencode/.\n' >&2
diff --git a/bin/bwopencode2 b/bin/bwopencode2
index 82dd1ec..fa35aef 100755
--- a/bin/bwopencode2
+++ b/bin/bwopencode2
@@ -480,7 +480,9 @@ build_opencode2_authoring_mounts() {
 # project cannot override it.
 #
 # Both opencode.json and opencode.jsonc are mounted when present, so
-# opencode2 can pick whichever format it prefers.
+# opencode2 can pick whichever format it prefers.  A managed
+# /etc/opencode/AGENTS.md is mounted too when present (opencode.jsonc
+# references it via "instructions").
 #
 # On hosts without /etc/opencode/, nothing is bound here — opencode2
 # falls back to user config as usual.  A warning is emitted to stderr
@@ -500,6 +502,10 @@ build_managed_config() {
         if [[ "${_has_jsonc}" -eq 1 ]]; then
             BWRAP_ARGS+=(--ro-bind /etc/opencode/opencode.jsonc /etc/opencode/opencode.jsonc)
         fi
+        # Managed AGENTS.md, referenced from opencode.jsonc via "instructions".
+        if [[ -f /etc/opencode/AGENTS.md ]]; then
+            BWRAP_ARGS+=(--ro-bind /etc/opencode/AGENTS.md /etc/opencode/AGENTS.md)
+        fi
     else
         printf 'bwopencode2: warning: no /etc/opencode/opencode.json{,c} found on host.\n' >&2
         printf '             Falling back to user config at %s/.\n' "${OC2_CONFIG_SRC}" >&2
diff --git a/docs/bw-wrappers.md b/docs/bw-wrappers.md
index a7471bd..9d88ec1 100644
--- a/docs/bw-wrappers.md
+++ b/docs/bw-wrappers.md
@@ -24,9 +24,10 @@ When present, the wrappers expose administrator-managed paths as optional,
 read-only mounts. They do not expose the rest of the corresponding `/etc`
 configuration directories.
 
-- OpenCode: `/etc/opencode/skills`
+- OpenCode: `/etc/opencode/skills` and `/etc/opencode/AGENTS.md`
 - OpenCode 2 (`bwopencode2`): `/etc/opencode/skills`, `/etc/opencode/agents`,
-  `/etc/opencode/commands`, and `/etc/opencode/plugins`
+  `/etc/opencode/commands`, `/etc/opencode/plugins`, and
+  `/etc/opencode/AGENTS.md`
 - Codex: `/etc/codex/skills`
 - Claude: `/etc/claude-code/.claude/skills` and
   `/etc/claude-code/managed-settings.json`