feat: add Tavily MCP server definition

Add Tavily local stdio server via npx tavily-mcp@latest.
AI-optimized search, content extraction, site mapping, and crawling.

https://claude.ai/code/session_013AxurW8hPAfnUNvik354Xx

Author: its-mash

servers/com.tavily-mcp.json

@@ -0,0 +1,64 @@
+{
+  "$schema": "../schemas/server-definition.schema.json",
+  "id": "com.tavily-mcp",
+  "name": "Tavily",
+  "alias": "tavily",
+  "description": "AI-optimized search, web content extraction, site mapping, and crawling through the official Tavily MCP server. Purpose-built for LLM research workflows.",
+  "icon": "https://avatars.githubusercontent.com/u/170207473?v=4",
+  "schema_version": "2.1",
+  "categories": ["search"],
+  "tags": ["tavily", "search", "web-search", "research", "extraction", "crawling", "ai-search"],
+
+  "transport": {
+    "type": "stdio",
+    "command": "npx",
+    "args": ["-y", "tavily-mcp@latest"],
+    "env": {
+      "TAVILY_API_KEY": "${input:TAVILY_API_KEY}"
+    },
+    "metadata": {
+      "inputs": [
+        {
+          "id": "TAVILY_API_KEY",
+          "label": "Tavily API Key",
+          "description": "API key for the Tavily Search API. Free tier includes 1,000 API credits per month.",
+          "type": "password",
+          "required": true,
+          "secret": true,
+          "placeholder": "tvly-xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
+          "obtain": {
+            "url": "https://app.tavily.com/home",
+            "instructions": "1. Go to app.tavily.com and create an account\n2. Navigate to the dashboard\n3. Copy your API key\n4. Free tier includes 1,000 credits/month",
+            "button_label": "Get API Key"
+          }
+        }
+      ]
+    }
+  },
+
+  "auth": {
+    "type": "api_key",
+    "instructions": "Get a Tavily API key at https://app.tavily.com/home"
+  },
+
+  "contributor": {
+    "name": "Tavily",
+    "github": "tavily-ai",
+    "url": "https://tavily.com"
+  },
+
+  "links": {
+    "repository": "https://github.com/tavily-ai/tavily-mcp",
+    "homepage": "https://tavily.com",
+    "documentation": "https://docs.tavily.com/documentation/mcp"
+  },
+
+  "platforms": ["all"],
+
+  "capabilities": {
+    "tools": true,
+    "resources": false,
+    "prompts": false,
+    "read_only_mode": true
+  }
+}