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20 Best Browser Automation MCP Servers: compared and ranked, September 2026Ranked from 2,831 matching servers on stars, growth, downloads and maintenance. Updated .

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  • A
    license
    A
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    maintenance
    Enables AI agents to control serial port devices (modems, instruments, embedded boards) via MCP tools for listing ports, connecting, and sending/receiving commands.
    3
    1
    MIT
  • F
    license
    A
    quality
    B
    maintenance
    A headless MCP server that enables AI tools (like Claude Code) to read and analyze serial logs from embedded boards (ESP32, STM32) for firmware debugging, with read-only tools for log retrieval and a built-in web viewer.
    6
  • A
    license
    A
    quality
    B
    maintenance
    Local, read-only MCP server for inspecting DBC files and decoding CAN capture logs, with bounded and composable tools.
    13
    MIT
  • A
    license
    A
    quality
    C
    maintenance
    MCP server for debugging STM32 microcontrollers over ST-LINK using STM32CubeCLT tools (GDB, ST-LINK_gdbserver, STM32_Programmer_CLI) with session management, flashing, breakpoints, memory/register access, and expression evaluation.
    19
    GPL 3.0
  • A
    license
    A
    quality
    B
    maintenance
    A local-first, read-only MCP server for vehicle diagnostics that exposes structured OBD-II tools for reading PIDs, DTCs, and ECU snapshots without raw protocol access.
    7
    Apache 2.0
  • A
    license
    A
    quality
    A
    maintenance
    A read-only MCP server for AI agents to understand KiCad projects through progressive disclosure, providing compact summaries and drill-down tools for components, nets, traces, and ERC/DRC checks without blowing context budgets.
    7
    1
    MIT
  • F
    license
    A
    quality
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    maintenance
    MCP server for serial port communication. Provides tools to open, read, write, and manage serial ports through the Model Context Protocol.
    10
  • A
    license
    B
    quality
    B
    maintenance
    Enables AI assistants to control Betaflight flight controllers over serial via MSP and CLI, providing real-time sensor reads, full CLI access, and auto-generated variable tools for configuration and tuning.
    100
    194
    1
    AGPL 3.0
  • A
    license
    B
    quality
    C
    maintenance
    Enables LLM clients to control a LEGO Mindstorms NXT brick over USB, providing tools for motor movement, sensor reading, and querying device state.
    49
    MIT
  • A
    license
    Not graded
    quality
    B
    maintenance
    Provides tools to search and retrieve LILYGO hardware documentation, including product listings, full specs, and sectioned guides, with live fetching from GitHub.
    16
    MIT
  • A
    license
    Not graded
    quality
    B
    maintenance
    Enables AI assistants to connect to and control the IAR C-SPY debugger through MCP tools, supporting session lifecycle, run control, breakpoints, memory inspection, stack and locals viewing, disassembly, symbol lookup, and terminal I/O capture.
    MIT
  • A
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    Not graded
    quality
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    maintenance
    MCP server for Nordic Semiconductor's Power Profiler Kit II (PPK2), enabling current measurement and device control via 12 tools from Claude.
    1
    MIT
  • A
    license
    Not graded
    quality
    C
    maintenance
    An MCP server that provides comprehensive debugging capabilities for J-Link debuggers, enabling memory, flash, register, and RTT operations through AI assistants.
    33
    MIT
  • A
    license
    Not graded
    quality
    B
    maintenance
    MCP server for Reachy Mini robot that exposes robot state and motion control to LLM frontends like Claude Desktop.
    MIT
  • A
    license
    Not graded
    quality
    D
    maintenance
    MCP server for deterministic Vivado FPGA automation including project scaffolding, simulation, synthesis, implementation, and gated bitstream generation.
    4
    MIT