fix: make MCP display loading states when loading tools, surface errors on MCP, sanitize MCP names (#8792)

* Catch timeout errors on check server

* Make errors propagate from the MCP clients

* Apply timeout error handling and made Server change only trigger a loader on the Tools dropdown

* Add placeholder to ToolsInput on errors

* Updated useEffect to run when nothing is selected

* Added timeout handling to mcp component

* Added placeholder to tools component

* removed unused props

* Added timeout handling on loading of tools on config page

* Fixed key pair input not working

* Set key pair values as empty list

* Surface final error from mcp

* Removed ID from tool mode turning on

* Turn exception on to more places

* Fixed cache on mcp component and make tool mode data not reset

* Added loading placeholder only if there are no data

* Refresh data if placeholder is Loading on tool mode

* Show modal if no tools are available

* Add useEffect to run handleOnNewValue if placeholder is Loading actions...

* Removed checks from toolsTable to run handleOnNewValue

* Sanitized MCP name

* Updated message

* Fixed actions not loading in mcp component

* [autofix.ci] apply automated fixes

* reuse mcp servers

* mypy fixes

* fix: update tool reference in MCPToolsComponent to use field_value

* Added last_updated to backend

* get latest version of node and compare last_updated before returning post template value

* assign last updated and only set node class if newTemplate exists

* Adds type

* Removed timeout from backend to frontend

---------

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
Co-authored-by: phact <estevezsebastian@gmail.com>
Co-authored-by: Edwin Jose <edwin.jose@datastax.com>
Co-authored-by: Gabriel Luiz Freitas Almeida <gabriel@langflow.org>

pyproject.toml

@@ -105,7 +105,7 @@ dependencies = [
     "arize-phoenix-otel>=0.6.1",
     "openinference-instrumentation-langchain>=0.1.29",
     "crewai==0.102.0",
-    "mcp>=1.9.4",
+    "mcp>=1.10.1",
     "uv>=0.5.7",
     "scipy>=1.14.1",
     "ag2>=0.1.0",