Merge pull request #166 from yunkon-kim/250813-19

Add OpenTofu MCP server config for contributors using VSCode Copilot

Author: yunkon-kim

.gitignore

@@ -15,7 +15,9 @@
 *.out
 
 # vscode settings
-.vscode/
+!.vscode/
+.vscode/**
+!.vscode/mcp.json
 
 # Dependency directories (remove the comment below to include it)
 vendor/

.vscode/mcp.json

@@ -0,0 +1,9 @@
+{
+	"servers": {
+		"opentofu": {
+			"command": "npx",
+      "args": ["-y", "@opentofu/opentofu-mcp-server"]
+		}
+	},
+	"inputs": []
+}

README.md

@@ -53,13 +53,13 @@ Prepare credentials by looking at the README and templates in the `/secrets` dir
 
 Note - There may be an issue regarding Credential settings. Contributions are welcome.
 
-## Development Tools (Optional)
+## Development Tools
 
 ### OpenTofu MCP Server Integration (for contributors)
 
-This enables AI-powered assistance **for your enhanced development experience**, such as OpenTofu registry search, documentation access, and code assistance.
+This enables AI-powered assistance **for your enhanced development experience**, such as OpenTofu registry search, documentation access, and code assistance through AI tools like GitHub Copilot.
 
-As recommended by OpenTofu MCP Server, we use the **hosted service** instead of local installation for better reliability and always up-to-date registry data.
+We use the **npx-based installation** for reliable access to OpenTofu registry data and documentation. SSE (Server-Sent Events) transport appears to be deprecated and being replaced with Streamable HTTP transport in MCP.
 
 **Setup for VS Code:**
 
@@ -69,15 +69,15 @@ As recommended by OpenTofu MCP Server, we use the **hosted service** instead of
 {
   "servers": {
     "opentofu": {
-      "type": "sse",
-      "url": "https://mcp.opentofu.org/sse"
+      "command": "npx",
+      "args": ["-y", "@opentofu/opentofu-mcp-server"]
     }
   },
   "inputs": []
 }
 ```
 
-For other editors (Cursor) or local installation options, see the [OpenTofu MCP Server repository](https://github.com/opentofu/opentofu-mcp-server).
+For other editors (Cursor) or additional setup options, see the [OpenTofu MCP Server repository](https://github.com/opentofu/opentofu-mcp-server).
 
 ## Up and run MC-Terrarium