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"""
Search MCP Client - Find migration guides and documentation using Tavily MCP server.
"""
import logging
from typing import List, Dict, Optional
from mcp import ClientSession
from mcp.client.stdio import stdio_client
logger = logging.getLogger(__name__)
class SearchMCPClient:
"""
Client for Tavily Search MCP server to find migration guides and best practices.
"""
def __init__(self, mcp_manager):
"""
Initialize Search MCP client.
Args:
mcp_manager: MCPManager instance
"""
self.mcp_manager = mcp_manager
self.server_name = "tavily"
logger.info("SearchMCPClient initialized")
async def find_migration_guide(self, from_tech: str, to_tech: str, max_results: int = 5) -> List[Dict]:
"""
Find migration documentation for technology upgrade.
Args:
from_tech: Source technology (e.g., "Python 2.7")
to_tech: Target technology (e.g., "Python 3.12")
max_results: Maximum number of results to return
Returns:
List of search results with URLs and snippets
"""
try:
server_params = self.mcp_manager.get_server_params(self.server_name)
if not server_params:
logger.warning(f"{self.server_name} MCP server not registered, returning empty results")
return []
query = f"{from_tech} to {to_tech} migration guide best practices"
async with stdio_client(server_params) as (read, write):
async with ClientSession(read, write) as session:
await session.initialize()
result = await session.call_tool(
"search",
arguments={
"query": query,
"max_results": max_results
}
)
# Parse results
results = []
if result and hasattr(result, 'content'):
for item in result.content:
if hasattr(item, 'text'):
results.append({
'title': item.text.get('title', ''),
'url': item.text.get('url', ''),
'snippet': item.text.get('snippet', ''),
'score': item.text.get('score', 0)
})
logger.info(f"Found {len(results)} migration guides for {from_tech} to {to_tech}")
return results
except Exception as e:
logger.error(f"Error finding migration guide: {e}")
return []
async def find_library_documentation(self, library_name: str, version: Optional[str] = None) -> List[Dict]:
"""
Find official documentation for a library.
Args:
library_name: Name of the library
version: Optional specific version
Returns:
List of documentation links
"""
try:
server_params = self.mcp_manager.get_server_params(self.server_name)
if not server_params:
logger.warning(f"{self.server_name} MCP server not registered, returning empty results")
return []
query = f"{library_name} official documentation"
if version:
query += f" version {version}"
async with stdio_client(server_params) as (read, write):
async with ClientSession(read, write) as session:
await session.initialize()
result = await session.call_tool(
"search",
arguments={
"query": query,
"max_results": 3
}
)
results = []
if result and hasattr(result, 'content'):
for item in result.content:
if hasattr(item, 'text'):
results.append({
'title': item.text.get('title', ''),
'url': item.text.get('url', ''),
'snippet': item.text.get('snippet', '')
})
logger.info(f"Found {len(results)} documentation links for {library_name}")
return results
except Exception as e:
logger.error(f"Error finding library documentation: {e}")
return []
async def find_best_practices(self, topic: str, language: str = "python") -> List[Dict]:
"""
Find best practices for a specific topic.
Args:
topic: Topic to search for (e.g., "database connection pooling")
language: Programming language
Returns:
List of best practice resources
"""
try:
server_params = self.mcp_manager.get_server_params(self.server_name)
if not server_params:
logger.warning(f"{self.server_name} MCP server not registered, returning empty results")
return []
query = f"{language} {topic} best practices 2024"
async with stdio_client(server_params) as (read, write):
async with ClientSession(read, write) as session:
await session.initialize()
result = await session.call_tool(
"search",
arguments={
"query": query,
"max_results": 5
}
)
results = []
if result and hasattr(result, 'content'):
for item in result.content:
if hasattr(item, 'text'):
results.append({
'title': item.text.get('title', ''),
'url': item.text.get('url', ''),
'snippet': item.text.get('snippet', '')
})
logger.info(f"Found {len(results)} best practice resources for {topic}")
return results
except Exception as e:
logger.error(f"Error finding best practices: {e}")
return []
async def find_security_vulnerabilities(self, pattern: str, language: str = "python") -> List[Dict]:
"""
Find information about security vulnerabilities in a code pattern.
Args:
pattern: Code pattern to check (e.g., "SQL string interpolation")
language: Programming language
Returns:
List of security resources
"""
try:
server_params = self.mcp_manager.get_server_params(self.server_name)
if not server_params:
logger.warning(f"{self.server_name} MCP server not registered, returning empty results")
return []
query = f"{language} {pattern} security vulnerability CVE"
async with stdio_client(server_params) as (read, write):
async with ClientSession(read, write) as session:
await session.initialize()
result = await session.call_tool(
"search",
arguments={
"query": query,
"max_results": 5
}
)
results = []
if result and hasattr(result, 'content'):
for item in result.content:
if hasattr(item, 'text'):
results.append({
'title': item.text.get('title', ''),
'url': item.text.get('url', ''),
'snippet': item.text.get('snippet', ''),
'severity': self._extract_severity(item.text.get('snippet', ''))
})
logger.info(f"Found {len(results)} security resources for {pattern}")
return results
except Exception as e:
logger.error(f"Error finding security vulnerabilities: {e}")
return []
def _extract_severity(self, text: str) -> str:
"""
Extract severity level from text.
Args:
text: Text to analyze
Returns:
Severity level (critical, high, medium, low, unknown)
"""
text_lower = text.lower()
if 'critical' in text_lower:
return 'critical'
elif 'high' in text_lower:
return 'high'
elif 'medium' in text_lower or 'moderate' in text_lower:
return 'medium'
elif 'low' in text_lower:
return 'low'
return 'unknown'
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