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Improve Slack MCP integration with retry logic and comprehensive setup guide

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- Add retry mechanism with exponential backoff for cache sync issues
- Handle 'users cache is not ready yet' errors gracefully
- Add max-retries and retry-delay CLI arguments for better control
- Create comprehensive Slack setup guide with troubleshooting
- Update README with link to detailed setup guide
- Improve error messages and user experience
This commit is contained in:
aakash
2025-10-09 19:54:38 -07:00
parent df168634c8
commit 3b94b7b8af
4 changed files with 386 additions and 17 deletions
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30
apps/slack_rag.py
View File

@@ -78,6 +78,20 @@ class SlackMCPRAG(BaseRAGExample):
help="Test MCP server connection and list available tools without indexing",
)
parser.add_argument(
"--max-retries",
type=int,
default=5,
help="Maximum number of retries for failed operations (default: 5)",
)
parser.add_argument(
"--retry-delay",
type=float,
default=2.0,
help="Initial delay between retries in seconds (default: 2.0)",
)
async def test_mcp_connection(self, args) -> bool:
"""Test the MCP server connection and display available tools."""
print(f"Testing connection to MCP server: {args.mcp_server}")
@@ -88,12 +102,14 @@ class SlackMCPRAG(BaseRAGExample):
workspace_name=args.workspace_name,
concatenate_conversations=not args.no_concatenate_conversations,
max_messages_per_conversation=args.max_messages_per_channel,
max_retries=args.max_retries,
retry_delay=args.retry_delay,
)
async with reader:
tools = await reader.list_available_tools()
print("\n✅ Successfully connected to MCP server!")
print("Successfully connected to MCP server!")
print(f"Available tools ({len(tools)}):")
for i, tool in enumerate(tools, 1):
@@ -115,7 +131,7 @@ class SlackMCPRAG(BaseRAGExample):
return True
except Exception as e:
print(f"\n❌ Failed to connect to MCP server: {e}")
print(f"Failed to connect to MCP server: {e}")
print("\nTroubleshooting tips:")
print("1. Make sure the MCP server is installed and accessible")
print("2. Check if the server command is correct")
@@ -146,18 +162,20 @@ class SlackMCPRAG(BaseRAGExample):
workspace_name=args.workspace_name,
concatenate_conversations=concatenate,
max_messages_per_conversation=args.max_messages_per_channel,
max_retries=args.max_retries,
retry_delay=args.retry_delay,
)
texts = await reader.read_slack_data(channels=args.channels)
if not texts:
print("❌ No messages found! This could mean:")
print("No messages found! This could mean:")
print("- The MCP server couldn't fetch messages")
print("- The specified channels don't exist or are empty")
print("- Authentication issues with the Slack workspace")
return []
print(f"✅ Successfully loaded {len(texts)} text chunks from Slack")
print(f"Successfully loaded {len(texts)} text chunks from Slack")
# Show sample of what was loaded
if texts:
@@ -170,7 +188,7 @@ class SlackMCPRAG(BaseRAGExample):
return texts
except Exception as e:
print(f"❌ Error loading Slack data: {e}")
print(f"Error loading Slack data: {e}")
print("\nThis might be due to:")
print("- MCP server connection issues")
print("- Authentication problems")
@@ -188,7 +206,7 @@ class SlackMCPRAG(BaseRAGExample):
if not success:
return
print(
"\n🎉 MCP server is working! You can now run without --test-connection to start indexing."
"MCP server is working! You can now run without --test-connection to start indexing."
)
return