diff --git a/bio-research/.mcp.json b/bio-research/.mcp.json
index e5fefeb3..629cd30d 100644
--- a/bio-research/.mcp.json
+++ b/bio-research/.mcp.json
@@ -8,10 +8,22 @@
       "type": "http",
       "url": "https://mcp.services.biorender.com/mcp"
     },
+    "biorxiv": {
+      "type": "http",
+      "url": "https://hcls.mcp.claude.com/biorxiv/mcp"
+    },
     "consensus": {
       "type": "http",
       "url": "https://mcp.consensus.app/mcp"
     },
+    "c-trials": {
+      "type": "http",
+      "url": "https://hcls.mcp.claude.com/clinical_trials/mcp"
+    },
+    "chembl": {
+      "type": "http",
+      "url": "https://hcls.mcp.claude.com/chembl/mcp"
+    },
     "synapse": {
       "type": "http",
       "url": "https://mcp.synapse.org/mcp"
diff --git a/small-business/.mcp.json b/small-business/.mcp.json
index 14cf3057..c18bd6f9 100644
--- a/small-business/.mcp.json
+++ b/small-business/.mcp.json
@@ -5,7 +5,7 @@
       "url": "https://ai-inc.quickbooks.intuit.com/v1/mcp"
     },
     "paypal": {
-      "type": "http",
+      "type": "sse",
       "url": "https://mcp.paypal.com/sse"
     },
     "hubspot": {