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Debug embedded firmware on real hardware: J-Link probes, Cortex-M faults, RTT logs, GDB.
About
Debug embedded firmware on real hardware: J-Link probes, Cortex-M faults, RTT logs, GDB.
Security Report
jlink-mcp is a well-engineered MCP server for embedded device debugging with proper architecture and thoughtful security practices. The codebase demonstrates strong quality: comprehensive input validation via Zod, appropriate error handling, no hardcoded credentials, secure token management through environment variables, and hardware-tested functionality. Permissions are appropriately scoped to the server's debugging purpose (process spawning for probe backends, network access for GDB/RTT/telnet, file I/O for firmware and config). Minor code quality observations (broad exception handling in a few places, verbose logging patterns) are typical for a complex system and do not create security risks. Supply chain analysis found 2 known vulnerabilities in dependencies (0 critical, 1 high severity). Package verification found 1 issue.
3 files analyzed · 6 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
What You'll Need
Set these up before or after installing:
Environment variable: JLINK_DEVICE
Environment variable: JLINK_SERIAL
Environment variable: SVD_PATH
Environment variable: JLINK_RTT_ADDR
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-klievan-jlink-mcp": {
"env": {
"SVD_PATH": "your-svd-path-here",
"JLINK_DEVICE": "your-jlink-device-here",
"JLINK_SERIAL": "your-jlink-serial-here",
"JLINK_RTT_ADDR": "your-jlink-rtt-addr-here"
},
"args": [
"-y",
"jlink-mcp"
],
"command": "npx"
}
}
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