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"Examples of MCPs (Microservices Communication Protocols) That Do Not Require API Keys" matching MCP servers:

  • stmctl-mcp

    Sathvik-smarttrak
    F
    license
    A
    quality
    C
    maintenance
    Enables AI assistants to flash firmware, program memory, modify option bytes, erase chips, reset boards, and capture SWO printf traces for STM32 microcontrollers via STM32CubeCLT.
    12

  • nrf-mcp

    pshanesmith
    A
    license
    A
    quality
    D
    maintenance
    An MCP server for Nordic nRF Connect SDK development that enables users to list, read, and search documentation and sample code from the nrfconnect/sdk-nrf repository. It provides Claude with specialized tools to navigate SDK resources, source files, and configuration examples directly through the GitHub API.
    3
    18
    MIT

  • mcp-svd

    pkt-lab
    F
    license
    A
    quality
    D
    maintenance
    An MCP server that provides AI coding assistants with access to official ARM CMSIS SVD hardware register definitions for microcontrollers. It enables precise querying of register names, bit positions, and addresses to prevent hallucinations during embedded systems development.
    4
    1

  • MHS-5200A MCP Server

    NaoNaoMe
    A
    license
    A
    quality
    C
    maintenance
    Enables control of MHS-5200A series signal generators via serial connection, including frequency, amplitude, waveform, and sweep settings.
    16
    MIT

  • pixelblaze

    tomnz
    F
    license
    A
    quality
    D
    maintenance
    Enables Claude to create, update, and manage LED patterns on a PixelBlaze controller, including setting brightness and reading device info, through a set of tools that interact with the device's API.
    14

  • copper-mcp

    seunghyukchoe
    A
    license
    A
    quality
    A
    maintenance
    Enables secure, read-only inspection and validation of KiCad PCB boards through MCP, with deterministic routing and optional AI policy plugins.
    11
    2
    Apache 2.0

  • io.github.microhenrio/openocd

    microhenrio
    A
    license
    A
    quality
    B
    maintenance
    Debug microcontrollers directly from Claude. This is an MCP server that drives OpenOCD, letting Claude flash firmware, control execution, and inspect a running target — and read your variables and peripheral registers by name instead of raw addresses.
    39
    4
    MIT

  • openocd-mcp

    luiox
    A
    license
    A
    quality
    B
    maintenance
    An OpenOCD debug MCP server that manages debugging targets and sessions by reusing VS Code launch configurations. It enables firmware flashing, GDB command execution, and real-time status monitoring of embedded systems.
    8
    7
    MIT

  • UGS-MCP

    zackpeters93
    A
    license
    A
    quality
    B
    maintenance
    MCP server for controlling CNC machines via Universal GCode Sender. Lets Claude (or any MCP-compatible AI assistant) connect to a CNC machine, inspect G-code, and issue motion commands — all through the UGS Pendant REST API.
    19
    4
    MIT

  • siglent-sdg-mcp

    MagnusJohansson
    A
    license
    A
    quality
    D
    maintenance
    MCP server that lets AI assistants control Siglent SDG waveform generators over a local network using natural language, supporting signal generation, modulation, sweep, burst, and arbitrary waveforms.
    21
    11
    MIT

  • pyocd-debug-mcp

    konbakuyomu
    A
    license
    A
    quality
    D
    maintenance
    Enables AI tools to perform full-featured embedded microcontroller debugging via pyOCD and CMSIS-DAP probes, including probe management, flashing, breakpoints, register/memory access, fault analysis, and RTT communication.
    58
    1
    MIT

  • BLE MCP Server

    es617
    A
    license
    A
    quality
    C
    maintenance
    A stateful Bluetooth Low Energy (BLE) MCP server that enables AI agents to scan, connect, read/write characteristics, and subscribe to notifications on BLE devices.
    35
    17
    MIT

  • J-Link RTT Viewer MCP

    MisakaMikoto128
    A
    license
    A
    quality
    B
    maintenance
    Enables AI assistants to interact with STM32 development boards via J-Link debugger using RTT communication, supporting connection, logging, memory operations, and firmware flashing through natural language.
    12
    1
    MIT