plugin: fix directory structure to match Claude Code plugin system

docs/claude-semcode-setup.md

@@ -33,7 +33,7 @@ Bigger ranges take longer, so it's better to just index what you need.
 
 ## Configuring MCP for Claude
 
-claude plugins are the preferred way to configure things, but you can also
+Claude Code plugins are the preferred way to configure things, but you can also
 setup a json file with details about the MCP server.  The documentation below
 describes both.
 
@@ -65,7 +65,7 @@ For detailed information about tool approval methods and troubleshooting, see [.
 
 ### Configuring Claude via the --mcp-config command line option
 
-If claude plugins aren't right for your configuration, passing the mcp config
+If Claude Code plugins aren't right for your configuration, passing the mcp config
 on the command line is also possible.
 
 ```

plugin/marketplace.json → plugin/.claude-plugin/marketplace.json

@@ -7,16 +7,13 @@
   "plugins": [
     {
       "name": "semcode",
+      "source": "./semcode",
       "version": "1.0.0",
       "description": "Semantic code search for C/C++ codebases with git-aware lookups, call graph analysis, and vector search",
       "author": {
         "name": "Semcode"
       },
-      "homepage": "https://github.com/masoncl/semcode",
-      "source": "./plugin/semcode",
-      "mcpServers": [
-        "./mcp/semcode.json"
-      ]
+      "keywords": ["c", "cpp", "code-search", "semantic-search", "call-graph", "git-integration"]
     }
   ]
 }

plugin/README.md

@@ -22,7 +22,7 @@ semcode-index --source .
 
 # 4. Install plugin
 cd /path/to/semcode
-claude plugin marketplace add $(pwd)/plugin/marketplace.json
+claude plugin marketplace add $(pwd)/plugin
 claude plugin install semcode@semcode-local
 
 # 5. Restart Claude and verify
@@ -33,14 +33,17 @@ claude plugin install semcode@semcode-local
 
 ```
 plugin/
-├── README.md           # This file
-├── marketplace.json    # Plugin marketplace manifest
-└── semcode/           # Plugin implementation
-    ├── README.md      # Full installation and usage guide
+├── .claude-plugin/
+│   └── marketplace.json  # Plugin marketplace manifest
+├── README.md             # This file
+└── semcode/              # Plugin implementation
+    ├── .claude-plugin/
+    │   └── plugin.json   # Plugin manifest
+    ├── .mcp.json         # MCP server configuration
+    ├── README.md         # Full installation and usage guide
     ├── TOOL_APPROVAL.md
     ├── approve-tools.sh
-    ├── install.sh
-    └── mcp/          # MCP server configuration
+    └── install.sh
 ```
 
 ## Documentation

plugin/semcode/.claude-plugin/plugin.json

@@ -0,0 +1,9 @@
+{
+  "name": "semcode",
+  "description": "Semantic code search for C/C++ codebases with git-aware lookups, call graph analysis, and vector search capabilities",
+  "version": "1.0.0",
+  "author": {
+    "name": "Semcode"
+  },
+  "license": "MIT OR Apache-2.0"
+}

plugin/semcode/.mcp.json

@@ -0,0 +1,7 @@
+{
+  "semcode": {
+    "command": "semcode-mcp",
+    "args": [],
+    "env": {}
+  }
+}

plugin/semcode/README.md

@@ -33,7 +33,7 @@ This creates a `.semcode.db` directory in your codebase.
 ```bash
 # Add the marketplace
 cd /path/to/semcode
-claude plugin marketplace add $(pwd)/plugin/marketplace.json
+claude plugin marketplace add $(pwd)/plugin
 
 # Install the plugin
 claude plugin install semcode@semcode-local
@@ -62,17 +62,14 @@ claude    # Uses /path/to/another-project/.semcode.db
 
 ### Optional: Fixed Database Path
 
-To always use the same database, edit `plugin/semcode/mcp/semcode.json`:
+To always use the same database, edit `plugin/semcode/.mcp.json`:
 
 ```json
 {
-  "mcpServers": {
-    "semcode": {
-      "type": "stdio",
-      "command": "semcode-mcp",
-      "args": ["--database", "/absolute/path/to/your/codebase"],
-      "env": {}
-    }
+  "semcode": {
+    "command": "semcode-mcp",
+    "args": ["--database", "/absolute/path/to/your/codebase"],
+    "env": {}
   }
 }
 ```

plugin/semcode/install.sh

@@ -45,7 +45,7 @@ echo
 
 # Step 1: Add marketplace
 echo "Step 1: Adding marketplace to Claude..."
-if claude plugin marketplace add "$PLUGIN_DIR/marketplace.json"; then
+if claude plugin marketplace add "$PLUGIN_DIR"; then
     echo "✓ Marketplace added successfully"
 else
     echo "⚠ Warning: Marketplace may already be added (this is OK)"
@@ -98,40 +98,33 @@ case $choice in
 esac
 
 # Update MCP configuration if database path is provided
+MCP_CONFIG="$SCRIPT_DIR/.mcp.json"
 if [ -n "$DB_PATH" ]; then
-    MCP_CONFIG="$SCRIPT_DIR/mcp/semcode.json"
     echo
     echo "Updating MCP configuration at: $MCP_CONFIG"
 
     # Create new config with database path
     cat > "$MCP_CONFIG" << EOF
 {
-  "mcpServers": {
-    "semcode": {
-      "type": "stdio",
-      "command": "$MCP_BINARY",
-      "args": ["--database", "$DB_PATH"],
-      "env": {}
-    }
+  "semcode": {
+    "command": "$MCP_BINARY",
+    "args": ["--database", "$DB_PATH"],
+    "env": {}
   }
 }
 EOF
     echo "✓ Configuration updated"
 else
     # No database path specified, create config without --database arg
-    MCP_CONFIG="$SCRIPT_DIR/mcp/semcode.json"
     echo
     echo "Creating MCP configuration without database path: $MCP_CONFIG"
 
     cat > "$MCP_CONFIG" << EOF
 {
-  "mcpServers": {
-    "semcode": {
-      "type": "stdio",
-      "command": "$MCP_BINARY",
-      "args": [],
-      "env": {}
-    }
+  "semcode": {
+    "command": "$MCP_BINARY",
+    "args": [],
+    "env": {}
   }
 }
 EOF
@@ -223,7 +216,7 @@ echo "For usage examples and tool reference, see:"
 echo "  $SCRIPT_DIR/../../docs/semcode-mcp.md"
 echo
 echo "To reconfigure the database path, edit:"
-echo "  $SCRIPT_DIR/mcp/semcode.json"
+echo "  $SCRIPT_DIR/.mcp.json"
 echo
 echo "To pre-approve tools for additional directories:"
 echo "  $SCRIPT_DIR/approve-tools.sh /path/to/directory"