diff --git a/R/r-mip-adaptor.R b/R/r-mip-adaptor.R
index 423f892..db0f40b 100644
--- a/R/r-mip-adaptor.R
+++ b/R/r-mip-adaptor.R
@@ -5,4 +5,20 @@
 #' @aliases r-mip-adaptor package-r-mip-adaptor
 #' @title HBP - Database connections
 #' @name rmipadaptor
-NULL
+
+SHAPES <- list(
+  ERROR = "text/plain+error",
+  PFA = "application/pfa+json",
+  PFA_YAML = "application/pfa+yaml",
+  TABULAR_DATA_RESOURCE = "application/vnd.dataresource+json",
+  HTML = "text/html",
+  SVG = "image/svg+xml",
+  PNG = "image/png;base64",
+  HIGHCHARTS = "application/vnd.highcharts+json",
+  VISJS = "application/vnd.visjs+javascript",
+  PLOTLY = "application/vnd.plotly.v1+json",
+  VEGA = "application/vnd.vega+json",
+  VEGALITE = "application/vnd.vegalite+json",
+  JSON = "application/json",
+  TEXT = "text/plain"
+)
diff --git a/R/saveError.R b/R/saveError.R
index 7c20277..6f12552 100644
--- a/R/saveError.R
+++ b/R/saveError.R
@@ -41,7 +41,7 @@ saveError <- function(
       conn <- out_conn;
     }
   }
-  shape <- "error";
+  shape <- "text/plain+error";
   data <- "";
 
   if (file.exists(outputFile)) {
diff --git a/R/saveResults.R b/R/saveResults.R
index abdfb3e..94cc1db 100644
--- a/R/saveResults.R
+++ b/R/saveResults.R
@@ -63,12 +63,25 @@ saveResults <- function(
 
   serialized_results <- switch(shape,
                  string =                   results,
+                 "text/plain" =             results,
                  pfa_json =                 results,
+                 "application/pfa+json" =   results,
                  pfa_yaml =                 results,
+                 "application/pfa+yaml" =   results,
+                 "application/vnd.dataresource+json" = results,
                  svg =                      results,
+                 "image/svg+xml" =          results,
+                 "image/png;base64" =       results,
                  plotly =                   results,
+                 "application/vnd.plotly.v1+json" = results,
                  highcharts =               results,
+                 "application/vnd.highcharts+json" = results,
+                 "application/vnd.visjs+javascript" = results,
+                 "application/vnd.vega+json" = results,
+                 "application/vnd.vegalite+json" = results,
                  html =                     results,
+                 "text/html" =              results,
+                 "application/json" =       results,
                  r_dataframe_intermediate = toJSON(results, auto_unbox=TRUE, digits=8, Date = "ISO8601"),
                  r_dataframe_columns =      toJSON(results, dataframe="columns", digits=8, Date = "ISO8601"),
                  r_matrix =                 toJSON(results, matrix="rowmajor", digits=8, Date = "ISO8601"),