Add MCP support (#1028)

testing/run-fake-stdio-mcp-server.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Launch the fake stdio MCP server with Node.
+# Usage: testing/run-fake-stdio-mcp-server.sh
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+NODE_BIN="node"
+
+exec "$NODE_BIN" "$SCRIPT_DIR/fake-stdio-mcp-server.mjs"
+
+