Add tiger mcp get command

CLAUDE.md

@@ -270,7 +270,7 @@ Tiger CLI is a Go-based command-line interface for managing Tiger, the modern da
   - `service.go` - Service management commands (list, create, get, fork, start, stop, delete, update-password)
   - `db.go` - Database operation commands (connection-string, connect, test-connection)
   - `config.go` - Configuration management commands (show, set, unset, reset)
-  - `mcp.go` - MCP server commands (install, start, list)
+  - `mcp.go` - MCP server commands (install, start, list, get)
   - `version.go` - Version command
 - **Configuration**: `internal/tiger/config/config.go` - Centralized config with Viper integration
 - **Logging**: `internal/tiger/logging/logging.go` - Structured logging with zap

README.md

@@ -111,6 +111,7 @@ Tiger CLI provides the following commands:
   - `install` - Install and configure MCP server for an AI assistant
   - `start` - Start the MCP server
   - `list` - List available MCP tools, prompts, and resources
+  - `get` - Get detailed information about a specific MCP capability (aliases: `describe`, `show`)
 - `tiger version` - Show version information
 
 Use `tiger <command> --help` for detailed information about each command.

internal/tiger/cmd/completion.go

@@ -0,0 +1,16 @@
+package cmd
+
+import "strings"
+
+// filterCompletionsByPrefix filters a slice of strings to only include items
+// that start with the given prefix. This is used by shell completion functions
+// to narrow down suggestions based on what the user has typed so far.
+func filterCompletionsByPrefix(items []string, prefix string) []string {
+	var filtered []string
+	for _, item := range items {
+		if strings.HasPrefix(item, prefix) {
+			filtered = append(filtered, item)
+		}
+	}
+	return filtered
+}

internal/tiger/cmd/config.go

@@ -3,7 +3,6 @@ package cmd
 import (
 	"fmt"
 	"io"
-	"strings"
 	"time"
 
 	"github.com/olekukonko/tablewriter"
@@ -234,11 +233,5 @@ func configOptionCompletion(cmd *cobra.Command, args []string, toComplete string
 		return nil, cobra.ShellCompDirectiveNoFileComp
 	}
 
-	var results []string
-	for opt := range config.ValidConfigOptions() {
-		if strings.HasPrefix(opt, toComplete) {
-			results = append(results, opt)
-		}
-	}
-	return results, cobra.ShellCompDirectiveNoFileComp
+	return filterCompletionsByPrefix(config.ValidConfigOptions(), toComplete), cobra.ShellCompDirectiveNoFileComp
 }