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20 Best PDF MCP Servers: compared and ranked, September 2026Ranked from 1,318 matching servers on stars, growth, downloads and maintenance. Updated .

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  • A
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    maintenance
    A Model Context Protocol (MCP) based server that efficiently manages PDF files, allowing AI coding tools like Cursor to read, summarize, and extract information from PDF datasheets to assist embedded development work.
    9
    Apache 2.0
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    quality
    B
    maintenance
    Enables LLMs to interact with vehicle CAN bus and OBD-II data through a simulated ECU environment. Provides tools for reading frames, decoding messages via DBC files, monitoring signals, and querying automotive diagnostics without requiring physical hardware.
    13
    MIT
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    A
    quality
    C
    maintenance
    Provides AI agents with instant, structured access to electronic component datasheets, pinouts, and electrical specifications without requiring PDF uploads. It enables seamless part searching, design validation, and side-by-side component comparisons across major hardware providers.
    12
    84
    10
    MIT
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    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
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    quality
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    Lets AI assistants read, command, and debug microcontrollers over a serial connection via MCP. Provides tools for serial port discovery, reading serial output, sending commands, and decoding register values.
    7
    1
    MIT
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    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
    17
    MIT
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    license
    A
    quality
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    maintenance
    Enables LLMs to communicate with hardware devices via serial ports. Provides tools for listing ports, opening/closing connections, reading/writing data, and controlling serial signals.
    8
    MIT
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    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
  • F
    license
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    quality
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    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
  • 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
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    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
    D
    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
    A
    quality
    C
    maintenance
    Enables AI agents to communicate with serial devices such as Arduinos, ESP32s, USB-UART adapters, and RS-232 instruments by discovering ports, opening connections, sending commands, reading responses, and controlling reset lines.
    12
    MIT
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    quality
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    maintenance
    Enables AI assistants to analyze hardware simulation VCD waveforms and GTKWave save files, providing access to signal values, bus definitions, and groupings without loading entire files.
    5
    MIT
  • A
    license
    A
    quality
    C
    maintenance
    An MCP server that exposes RS232 serial port connectivity, enabling listing, opening, reading, and writing to serial ports via tools and resources.
    6
    MIT