spsdk-mcu-link
SPSDK MCU-Link. A debugger probe plugin for SPSDK supporting LPC-Link/MCU-Link from NXP.
Decision gist · record as of 2026-08-14
Yes, with conditions. Install this if you own NXP MCU-Link hardware and need SPSDK integration for embedded debugging. The permissive BSD-3-Clause license poses no barrier. However, expect high install friction from five runtime dependencies and be prepared for pre-alpha instability—verify that your system's USB libraries are properly configured before attempting installation, and pin the version if you need stability in production workflows.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python >=3.10; SPSDK must be installed first; USB drivers for MCU-Link hardware must be present on the system.
- High install friction due to five runtime dependencies including wasmtime, pyusb, hidapi, libusb_package, and spsdk itself.
- The package is actively maintained (last commit 2026-06-19) but remains in pre-alpha status, so expect potential API changes and incomplete features.
License · maintenance · safety
BSD-3-Clause (permissive) — BSD-3-Clause is a permissive open-source license allowing commercial and private use with minimal restrictions, requiring only license and copyright notice preservation.
last release 2026-06-19 (56 days) · last repo commit 2026-06-19 · 4 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 259,215 downloads/mo, #8,415 on PyPI
Alternatives
Verify before relying
pip install spsdk_mcu_link
nxpdebugmbox --interface mcu-link --port auto- Whether wasmtime, pyusb, hidapi, and libusb_package install reliably across Windows, macOS, and Linux without additional system configuration.
- Stability and feature completeness of pre-alpha releases and likelihood of breaking changes before 1.0.
- Whether the plugin works with all NXP MCU-Link hardware variants or only specific versions.
What it is and what it does
SPSDK MCU-Link is a plugin that extends the NXP SPSDK toolkit with support for NXP's MCU-Link and LPC-Link debug probes. It implements the CMSIS-DAP protocol to enable hardware debugging, firmware updates, and SWD/JTAG interface access through the nxpdebugmbox command-line tool. The plugin integrates directly into SPSDK's probe discovery and management system, allowing developers to use MCU-Link hardware as a debug interface for embedded development workflows.
The package depends on five runtime components: spsdk (the core toolkit), pyusb and hidapi for USB communication, libusb_package for low-level USB access, and wasmtime for WebAssembly execution. This dependency stack introduces significant install friction, particularly on systems without pre-configured USB development libraries. The package is actively maintained but classified as pre-alpha, indicating that core functionality is present but the API and feature set may change.
Use it for
- Debug embedded firmware on NXP microcontrollers using MCU-Link hardware connected via USB.
- Update MCU-Link probe firmware through the nxpdebugmbox tool integrated with SPSDK.
- Access SWD and JTAG interfaces for low-level hardware debugging and development.
- Automate debug probe discovery and session management in embedded development scripts.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, with conditions.
Install this if you own NXP MCU-Link hardware and need SPSDK integration for embedded debugging. The permissive BSD-3-Clause license poses no barrier. However, expect high install friction from five runtime dependencies and be prepared for pre-alpha instability—verify that your system's USB libraries are properly configured before attempting installation, and pin the version if you need stability in production workflows.
Install
spsdk-mcu-link on PyPI
Before you install
High install friction due to five runtime dependencies including wasmtime, pyusb, hidapi, libusb_package, and spsdk itself. The package is actively maintained (last commit 2026-06-19) but remains in pre-alpha status, so expect potential API changes and incomplete features.
Requires Python >=3.10; SPSDK must be installed first; USB drivers for MCU-Link hardware must be present on the system.
License in practice
BSD-3-Clause is a permissive open-source license allowing commercial and private use with minimal restrictions, requiring only license and copyright notice preservation.
Quickstart
pip install spsdk_mcu_link
nxpdebugmbox --interface mcu-link --port autoVerify before relying
- Whether wasmtime, pyusb, hidapi, and libusb_package install reliably across Windows, macOS, and Linux without additional system configuration.
- Stability and feature completeness of pre-alpha releases and likelihood of breaking changes before 1.0.
- Whether the plugin works with all NXP MCU-Link hardware variants or only specific versions.
Package facts
| License | BSD-3-Clause permissive |
| Python support | Supports the current Python release >=3.10 |
| Install friction | High. Source build required |
| Runtime dependencies | 5 packageswasmtimepyusbhidapilibusb_packagespsdk |
| Maintenance | Actively maintained 56 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 259,215 / month, #8,415 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 2 - Pre-AlphaIntended Audience :: DevelopersLicense :: OSI Approved :: BSD LicenseNatural Language :: EnglishProgramming Language :: Python :: 3Programming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.9 |
Evidence: spsdk_mcu_link-0.6.9.tar.gz
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