Add SerpAPI Flights connector: mcp_remote, flight search via Google Flights, verify.py with MCP initialize probe

connectors/serpapi-flights/connector.json

@@ -0,0 +1,47 @@
+{
+  "id": "serpapi-flights",
+  "name": "SerpAPI Flights",
+  "version": 1,
+  "version_string": "1.0.0",
+  "version_release_date": "2026-07-19",
+  "type": "mcp_remote",
+  "scope": "global",
+  "tags": [
+    "flights",
+    "travel",
+    "mcp",
+    "remote",
+    "search"
+  ],
+  "docs": [
+    {
+      "lang": "en",
+      "description": "Search and compare flights, lookup airport codes, explore routes and prices via SerpAPI's Google Flights integration. Covers departure/arrival search, price comparison, and routing across dates.",
+      "llm_short_description": "Flight search via SerpAPI: search flights, lookup airport codes, compare prices and routes using Google Flights data."
+    }
+  ],
+  "auth": {
+    "type": "api_key"
+  },
+  "env": [
+    {
+      "name": "serpapiApiKey",
+      "label": "SerpAPI API key",
+      "description": "Get one at https://serpapi.com/manage-api-key (free plan includes 100 searches/month).",
+      "required": true,
+      "secret": true,
+      "example": "a1b2c3d4e5f6g7h8i9j0k1l2m3n4o5p6"
+    }
+  ],
+  "mcp_config": {
+    "url": "https://mcp.serpapi.com/{SECRET:serpapiApiKey}/mcp",
+    "transport": "streamable-http"
+  },
+  "verify": {
+    "command": "python3 verify.py",
+    "timeout_secs": 15
+  },
+  "homepage": "https://serpapi.com/google-flights-api",
+  "icon_small": "icon_sm.svg",
+  "icon_large": "icon_lg.svg"
+}