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ESP-IDF
>=5.5
ESP-IDF is Espressif’s official IoT Development Framework for the ESP32, ESP32-S and ESP32-C series of SoCs.
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A collection of useful cmake utilities
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cJSON: Ultralightweight JSON parser in ANSI C
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WebSocket protocol client for ESP-IDF
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MCP SDK for ESP32 devices. Streamable HTTP, tools, resources, prompts, completions, and tasks (2025-11-05 target; legacy 2024-11-05 transport optional).
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ESP-MQTT - A robust MQTT client library for ESP32 microcontrollers supporting MQTT 3.1.1 and 5.0 protocols with multiple transport layers