docs: update MCP documentation (#4904)

docs/en/concepts/event-listener.mdx

@@ -219,6 +219,16 @@ CrewAI provides a wide range of events that you can listen for:
 - **ToolExecutionErrorEvent**: Emitted when a tool execution encounters an error
 - **ToolSelectionErrorEvent**: Emitted when there's an error selecting a tool
 
+### MCP Events
+
+- **MCPConnectionStartedEvent**: Emitted when starting to connect to an MCP server. Contains the server name, URL, transport type, connection timeout, and whether it's a reconnection attempt.
+- **MCPConnectionCompletedEvent**: Emitted when successfully connected to an MCP server. Contains the server name, connection duration in milliseconds, and whether it was a reconnection.
+- **MCPConnectionFailedEvent**: Emitted when connection to an MCP server fails. Contains the server name, error message, and error type (`timeout`, `authentication`, `network`, etc.).
+- **MCPToolExecutionStartedEvent**: Emitted when starting to execute an MCP tool. Contains the server name, tool name, and tool arguments.
+- **MCPToolExecutionCompletedEvent**: Emitted when MCP tool execution completes successfully. Contains the server name, tool name, result, and execution duration in milliseconds.
+- **MCPToolExecutionFailedEvent**: Emitted when MCP tool execution fails. Contains the server name, tool name, error message, and error type (`timeout`, `validation`, `server_error`, etc.).
+- **MCPConfigFetchFailedEvent**: Emitted when fetching an MCP server configuration fails (e.g., the MCP is not connected in your account, API error, or connection failure after config was fetched). Contains the slug, error message, and error type (`not_connected`, `api_error`, `connection_failed`).
+
 ### Knowledge Events
 
 - **KnowledgeRetrievalStartedEvent**: Emitted when a knowledge retrieval is started

docs/en/mcp/dsl-integration.mdx

@@ -62,22 +62,22 @@ Use the `#` syntax to select specific tools from a server:
 "https://mcp.exa.ai/mcp?api_key=your_key#web_search_exa"
 ```
 
-### CrewAI AMP Marketplace
+### Connected MCP Integrations
 
-Access tools from the CrewAI AMP marketplace:
+Connect MCP servers from the CrewAI catalog or bring your own. Once connected in your account, reference them by slug:
 
 ```python
-# Full service with all tools
-"crewai-amp:financial-data"
+# Connected MCP with all tools
+"snowflake"
 
-# Specific tool from AMP service
-"crewai-amp:research-tools#pubmed_search"
+# Specific tool from a connected MCP
+"stripe#list_invoices"
 
-# Multiple AMP services
+# Multiple connected MCPs
 mcps=[
-    "crewai-amp:weather-insights",
-    "crewai-amp:market-analysis",
-    "crewai-amp:social-media-monitoring"
+    "snowflake",
+    "stripe",
+    "github"
 ]
 ```
 
@@ -99,10 +99,10 @@ multi_source_agent = Agent(
         "https://mcp.exa.ai/mcp?api_key=your_exa_key&profile=research",
         "https://weather.api.com/mcp#get_current_conditions",
 
-        # CrewAI AMP marketplace
-        "crewai-amp:financial-insights",
-        "crewai-amp:academic-research#pubmed_search",
-        "crewai-amp:market-intelligence#competitor_analysis"
+        # Connected MCPs from catalog
+        "snowflake",
+        "stripe#list_invoices",
+        "github#search_repositories"
     ]
 )
 
@@ -147,7 +147,7 @@ agent = Agent(
     mcps=[
         "https://mcp.exa.ai/mcp?api_key=key",      # Tools: mcp_exa_ai_*
         "https://weather.service.com/mcp",         # Tools: weather_service_com_*
-        "crewai-amp:financial-data"                # Tools: financial_data_*
+        "snowflake"                                # Tools: snowflake_*
     ]
 )
 
@@ -170,7 +170,7 @@ agent = Agent(
         "https://primary-server.com/mcp",         # Primary data source
         "https://backup-server.com/mcp",          # Backup if primary fails
         "https://unreachable-server.com/mcp",     # Will be skipped with warning
-        "crewai-amp:reliable-service"             # Reliable AMP service
+        "snowflake"                               # Connected MCP from catalog
     ]
 )
 
@@ -254,7 +254,7 @@ agent = Agent(
     apps=["gmail", "slack"],                       # Platform integrations
     mcps=[                                         # MCP servers
         "https://mcp.exa.ai/mcp?api_key=key",
-        "crewai-amp:research-tools"
+        "snowflake"
     ],
 
     verbose=True,
@@ -298,7 +298,7 @@ agent = Agent(
 mcps=[
     "https://primary-api.com/mcp",       # Primary choice
     "https://backup-api.com/mcp",        # Backup option
-    "crewai-amp:reliable-service"        # AMP fallback
+    "snowflake"                          # Connected MCP fallback
 ]
 ```
 
@@ -311,7 +311,7 @@ agent = Agent(
     backstory="Financial analyst with access to weather data for agricultural market insights",
     mcps=[
         "https://weather.service.com/mcp#get_forecast",
-        "crewai-amp:financial-data#stock_analysis"
+        "stripe#list_invoices"
     ]
 )
 ```

docs/en/mcp/overview.mdx

@@ -17,7 +17,7 @@ Use the `mcps` field directly on agents for seamless MCP tool integration. The D
 
 #### String-Based References (Quick Setup)
 
-Perfect for remote HTTPS servers and CrewAI AMP marketplace:
+Perfect for remote HTTPS servers and connected MCP integrations from the CrewAI catalog:
 
 ```python
 from crewai import Agent
@@ -29,8 +29,8 @@ agent = Agent(
     mcps=[
         "https://mcp.exa.ai/mcp?api_key=your_key",           # External MCP server
         "https://api.weather.com/mcp#get_forecast",          # Specific tool from server
-        "crewai-amp:financial-data",                         # CrewAI AMP marketplace
-        "crewai-amp:research-tools#pubmed_search"            # Specific AMP tool
+        "snowflake",                                         # Connected MCP from catalog
+        "stripe#list_invoices"                               # Specific tool from connected MCP
     ]
 )
 # MCP tools are now automatically available to your agent!
@@ -127,7 +127,7 @@ research_agent = Agent(
     backstory="Expert researcher with access to multiple data sources",
     mcps=[
         "https://mcp.exa.ai/mcp?api_key=your_key&profile=your_profile",
-        "crewai-amp:weather-service#current_conditions"
+        "snowflake#run_query"
     ]
 )
 
@@ -204,19 +204,22 @@ mcps=[
 ]
 ```
 
-#### CrewAI AMP Marketplace
+#### Connected MCP Integrations
+
+Connect MCP servers from the CrewAI catalog or bring your own. Once connected in your account, reference them by slug:
 
 ```python
 mcps=[
-    # Full AMP MCP service - get all available tools
-    "crewai-amp:financial-data",
+    # Connected MCP - get all available tools
+    "snowflake",
 
-    # Specific tool from AMP service using # syntax
-    "crewai-amp:research-tools#pubmed_search",
+    # Specific tool from a connected MCP using # syntax
+    "stripe#list_invoices",
 
-    # Multiple AMP services
-    "crewai-amp:weather-service",
-    "crewai-amp:market-analysis"
+    # Multiple connected MCPs
+    "snowflake",
+    "stripe",
+    "github"
 ]
 ```
 
@@ -299,7 +302,7 @@ from crewai.mcp import MCPServerStdio, MCPServerHTTP
 mcps=[
     # String references
     "https://external-api.com/mcp",              # External server
-    "crewai-amp:financial-insights",             # AMP service
+    "snowflake",                                 # Connected MCP from catalog
 
     # Structured configurations
     MCPServerStdio(
@@ -409,7 +412,7 @@ agent = Agent(
         # String references
         "https://reliable-server.com/mcp",        # Will work
         "https://unreachable-server.com/mcp",     # Will be skipped gracefully
-        "crewai-amp:working-service",             # Will work
+        "snowflake",                              # Connected MCP from catalog
 
         # Structured configs
         MCPServerStdio(