Add the Model Context Protocol integration (#135058)
* Add the Model Context Protocol integration
* Improvements to mcp integration
* Move the API prompt constant
* Update config flow error handling
* Update test descriptions
* Update tests/components/mcp/test_config_flow.py
Co-authored-by: Joost Lekkerkerker <joostlek@outlook.com>
* Update tests/components/mcp/test_config_flow.py
Co-authored-by: Joost Lekkerkerker <joostlek@outlook.com>
* Address PR feedback
* Update homeassistant/components/mcp/coordinator.py
Co-authored-by: Paulus Schoutsen <paulus@home-assistant.io>
* Move tool parsing to the coordinator
* Update session handling not to use a context manager
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Co-authored-by: Joost Lekkerkerker <joostlek@outlook.com>
Co-authored-by: Paulus Schoutsen <paulus@home-assistant.io>
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