Add Exa connector: mcp_remote, neural web search, optional API key (free tier), verify.py with MCP initialize probe

connectors/connectors.json

@@ -174,6 +174,50 @@
         }
       ]
     },
+    {
+      "id": "exa",
+      "name": "Exa",
+      "type": "mcp_remote",
+      "scope": "global",
+      "icon_small": "exa/icon_sm.png",
+      "icon_large": "exa/icon_lg.png",
+      "user_description": "AI-powered web search, content extraction, and research via Exa's neural search engine. Works without an API key (free rate-limited tier).",
+      "tags": [
+        "search",
+        "mcp",
+        "remote",
+        "ai"
+      ],
+      "auth": {
+        "type": "api_key"
+      },
+      "folder": "exa",
+      "version": 1,
+      "version_string": "1.0.0",
+      "version_release_date": "2026-07-19",
+      "files": [
+        {
+          "path": "connector.json",
+          "sha256": "65d979906e37daee32c0f9e53f29b62a2003f44c8c3ae7899c0bdab78e4c78c0",
+          "size": 1409
+        },
+        {
+          "path": "verify.py",
+          "sha256": "8e77da3ca3eca8f733296da134aaa964e5db8d01d4bfb89aa5832296e9dc45a6",
+          "size": 2125
+        },
+        {
+          "path": "icon_sm.png",
+          "sha256": "dd0a17d75ce36187f34c1fbfa459aee1665d94b2b8e1e300c2559631ffdcd1bd",
+          "size": 1728
+        },
+        {
+          "path": "icon_lg.png",
+          "sha256": "a1b698035af2cb146dccd57f992155359d55a48bc85802e2a02e8148dcec1558",
+          "size": 3730
+        }
+      ]
+    },
     {
       "id": "firecrawl",
       "name": "Firecrawl",