#!/usr/bin/env python3
"""
Demonstration of MCP Portable Index Management
Shows how the system works when properly authenticated with GitHub
"""
import json
import subprocess
from pathlib import Path
from datetime import datetime
def print_section(title):
print(f"\n{'='*60}")
print(f" {title}")
print(f"{'='*60}\n")
def demo_index_discovery():
"""Demonstrate index discovery functionality"""
print_section("1. INDEX DISCOVERY")
from mcp_server.utils.index_discovery import IndexDiscovery
discovery = IndexDiscovery(Path('.'))
info = discovery.get_index_info()
print("π Index Discovery Results:")
print(f" β Enabled: {info['enabled']}")
print(f" β Has local index: {info['has_local_index']}")
print(f" β Auto-download: {info['auto_download']}")
print(f" β GitHub artifacts: {info['github_artifacts']}")
if info['metadata']:
print("\nπ Index Metadata:")
meta = info['metadata']
print(f" - Version: {meta.get('version')}")
print(f" - Created: {meta.get('created_at')}")
print(f" - Files: {meta.get('indexed_files')}")
print(f" - Size: {meta.get('index_size_bytes', 0) / 1024 / 1024:.1f} MB")
def demo_mcp_server_startup():
"""Demonstrate MCP server startup with portable index"""
print_section("2. MCP SERVER STARTUP")
print("π When MCP server starts:")
print(" 1. Checks for .mcp-index.json")
print(" 2. Detects portable index at .mcp-index/code_index.db")
print(" 3. Uses portable index instead of default")
print(" 4. No reindexing needed - instant startup!")
# Show the actual code that runs
print("\nπ Code executed in mcp_server_cli.py:")
print("""
discovery = IndexDiscovery(workspace_root)
if discovery.is_index_enabled():
index_path = discovery.get_local_index_path()
if index_path:
sqlite_store = SQLiteStore(str(index_path))
""")
def demo_cli_commands():
"""Demonstrate CLI commands"""
print_section("3. CLI COMMANDS")
print("π Available mcp-index commands:")
commands = [
("mcp-index init", "Initialize index management in any repo"),
("mcp-index build", "Build index locally"),
("mcp-index push", "Upload to GitHub artifacts"),
("mcp-index pull", "Download latest index"),
("mcp-index sync", "Smart sync (pull if needed, push if newer)"),
("mcp-index info", "Show current index status"),
("mcp-index list", "List available artifacts"),
("mcp-index toggle --disable", "Disable indexing")
]
for cmd, desc in commands:
print(f" $ {cmd:<25} # {desc}")
def demo_github_workflow():
"""Demonstrate GitHub workflow"""
print_section("4. GITHUB WORKFLOW")
print("βοΈ Workflow triggers:")
print(" - Push to main branch")
print(" - Pull requests")
print(" - Weekly schedule")
print(" - Manual dispatch")
print("\nπ¦ Workflow steps:")
print(" 1. Check if indexing enabled (via MCP_INDEX_ENABLED)")
print(" 2. Try to download existing index")
print(" 3. Build index if needed")
print(" 4. Compress to ~9MB (from 41MB)")
print(" 5. Upload as GitHub artifact")
print(" 6. Validate checksum")
print(" 7. Update PR comment with stats")
print(" 8. Clean up old artifacts (30+ days)")
def demo_cost_analysis():
"""Show cost analysis"""
print_section("5. COST ANALYSIS")
print("π° For Public Repositories:")
print(" β Storage: FREE (unlimited artifacts)")
print(" β Bandwidth: FREE (unlimited downloads)")
print(" β Compute: ZERO (all indexing local)")
print(" β Retention: 90 days max")
print("\nπ³ For Private Repositories:")
print(" - Storage: Free up to 500MB per artifact")
print(" - Our index: ~9MB compressed (well under limit)")
print(" - Bandwidth: Counts against Actions minutes")
print(" - Compute: Still ZERO (local indexing)")
def demo_developer_workflow():
"""Show typical developer workflow"""
print_section("6. DEVELOPER WORKFLOW")
print("π©βπ» New Developer Joins Team:")
print(" 1. Clone repository")
print(" 2. MCP detects .mcp-index.json")
print(" 3. Auto-downloads latest index (9MB)")
print(" 4. Instant code navigation - no wait!")
print("\nπ¨βπ» Developer Makes Changes:")
print(" 1. Edit code files")
print(" 2. Run 'mcp-index sync'")
print(" 3. Index updates locally")
print(" 4. Push changes")
print(" 5. GitHub workflow updates artifact")
print("\nπ€ CI/CD Integration:")
print(" - PR gets dedicated index artifact")
print(" - Main branch maintains latest index")
print(" - Old artifacts auto-cleaned after 30 days")
def main():
print("\nπ― MCP PORTABLE INDEX MANAGEMENT DEMONSTRATION")
print("="*60)
# Check if we're in the right directory
if not Path('.mcp-index.json').exists():
print("β Error: Not in a repository with MCP index management")
print(" Run 'mcp-index init' first")
return
# Run demonstrations
demo_index_discovery()
demo_mcp_server_startup()
demo_cli_commands()
demo_github_workflow()
demo_cost_analysis()
demo_developer_workflow()
print_section("SUMMARY")
print("β
MCP Portable Index Management provides:")
print(" β’ Zero-setup experience for developers")
print(" β’ No GitHub compute costs")
print(" β’ Fast 9MB downloads vs slow reindexing")
print(" β’ Works with any repository")
print(" β’ Supports all 48 MCP languages")
print("\nπ Ready for production use!")
if __name__ == "__main__":
main()