Nomad changes

docs/snippets/r/mcp/mcp_server_start.md

@@ -0,0 +1,11 @@
+```r title="R"
+# The kreuzberg R bindings do not embed an MCP server: MCP is provided by the
+# kreuzberg CLI (Rust binary). Spawn it from the same R session that uses the
+# kreuzberg package for in-process extraction.
+status <- system2("kreuzberg", args = "mcp", stdout = "", stderr = "")
+if (status != 0L) {
+  stop(sprintf("MCP server exited with status %d", status))
+}
+```
+
+<!-- snippet:syntax-only --> The R bindings expose extraction primitives only; MCP transport requires the standalone kreuzberg CLI.