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20 Best PDF MCP Servers: compared and ranked, September 2026Ranked from 1,467 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
  • A
    license
    A
    quality
    A
    maintenance
    Enables AI clients to compile and upload Arduino sketches, manage boards, cores, and libraries via arduino-cli, scaffold projects, and read serial output over stdio.
    26
    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
    38 npm
    12
    MIT
  • F
    license
    A
    quality
    B
    maintenance
    MCP server that translates natural language commands into SCARA robot arm control instructions, featuring simulation mode, safety validation, and multiple transport modes (STDIO/HTTP/OAuth).
    14
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    A
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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
  • A
    license
    A
    quality
    A
    maintenance
    MCP server that lets LLMs talk to serial devices: microcontrollers, routers, modems, embedded Linux, anything with a UART.
    23
    66 PyPI
    5
    MIT
  • A
    license
    A
    quality
    C
    maintenance
    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
    2
    MIT
  • F
    license
    A
    quality
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    maintenance
    Enables MCP clients to control a Nordic PPK2 for power profiling: configure source/measurement modes, set voltage, power DUT, measure current/power/energy, and capture logic channels.
    6
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    license
    A
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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
    11 npm
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    MCP server providing embedded engineering calculators and code generators as tools for AI agents, enabling precise, deterministic embedded math and C code generation.
    29
    38 npm
    MIT
  • F
    license
    A
    quality
    C
    maintenance
    Standalone TypeScript MCP server for micrOS devices. Enables discovering devices, inspecting device cache, running micrOS commands, and discovering each device's available module commands.
    6
    1
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  • 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
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  • 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
    Enables controlling multiple USBTMC (USB Test and Measurement Class) devices simultaneously using SCPI commands through a unified MCP interface.
    11
    MIT
  • F
    license
    A
    quality
    B
    maintenance
    Enables AI agents to compile, flash, erase, and read serial output from embedded development boards, with guardrails such as budget limits, serial port mutexes, and mandatory human confirmation for destructive operations.
    5
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  • A
    license
    A
    quality
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    maintenance
    Provides AI coding tools with queryable documentation for the AK (Active Kernel) event-driven MCU framework, including API signatures, guides, and guardrails.
    8
    1
    Apache 2.0