diff --git a/bin/rclaude b/bin/rclaude
index 18e916a..3f184a8 100755
--- a/bin/rclaude
+++ b/bin/rclaude
@@ -1503,8 +1503,16 @@ build_inner() {
         _back=$(caller_hostname)
         _back_env="export SPEECH_PLAYBACK_HOST=${_back}; "
     fi
+    # Supervisor-spawned sessions (clare) need MCP servers wired without the
+    # interactive trust-prompt round-trip. RCLAUDE_MCP_CONFIG forwards a JSON
+    # config path to `claude --mcp-config <path>`. Quoted to survive spaces.
+    _mcp_flag=""
+    if [ -n "${RCLAUDE_MCP_CONFIG:-}" ]; then
+        _mcp_esc=$(printf %s "$RCLAUDE_MCP_CONFIG" | sed "s/'/'\\\\''/g")
+        _mcp_flag="--mcp-config '${_mcp_esc}'"
+    fi
     printf '%s' \
-        "${_back_env}cd ${1} && rc_t=\$(date +%s); claude ${_resume_flag} ${_name_flag} ${flag}; rc_ec=\$?; " \
+        "${_back_env}cd ${1} && rc_t=\$(date +%s); claude ${_resume_flag} ${_name_flag} ${_mcp_flag} ${flag}; rc_ec=\$?; " \
         "rc_e=\$(date +%s); rc_d=\$((rc_e - rc_t)); " \
         "if [ \$rc_ec -ne 0 ] || [ \$rc_d -lt 2 ]; then " \
         "printf '\\n[rclaude] claude exited in %ds with code %d\\n' \$rc_d \$rc_ec; " \