Dgx Spark Temperature

Reads and reports hardware temperature sensor values from the DGX Spark system via SNMP for hardware health monitoring.

Security Scan

The skill is internally consistent with its stated purpose (reading DGX Spark temperatures via SNMP); it contains a simple script that queries an SNMP host and formats results, with only minor bookkeeping issues in the metadata.

Purpose & Capability

Name/description, SKILL.md, and the included script all align: they read LM-SENSORS via SNMP and report temperatures. Minor mismatch: registry metadata lists no required binaries, but the script requires snmpwalk (net-snmp) and gawk; those should be declared.

Instruction Scope

Instructions are narrow and explicit: run the provided script which performs an snmpwalk against a single hard-coded host (dgx-spark1.fiber.house) using community 'licpub' and parses sensor OIDs. The behavior stays within the stated purpose. Note: the script queries a specific hostname/community (internal-looking domain and location info), so it will only work where that host is reachable and may disclose device names/locations in output.

Install Mechanism

No install spec; this is instruction-only plus a small shell script. Nothing is downloaded or installed by the skill itself.

Credentials

No environment variables or credentials are requested. The script uses a hard-coded SNMP community ('licpub' read-only) rather than asking for secrets, which is proportionate for read-only sensor queries.

Persistence & Privilege

Skill is not always-on and does not request elevated or persistent platform privileges. Autonomous invocation is allowed by default, which is normal; there are no indications the skill writes system-wide configs or modifies other skills.

Assessment

This skill appears to do what it claims: run the script only if you expect network access to dgx-spark1.fiber.house and you have snmpwalk (net-snmp) and gawk installed. Verify that 'licpub' is the intended read-only community and that revealing device names/locations in output is acceptable. Prefer updating the skill manifest to declare required binaries (snmpwalk/gawk) or make the SNMP target/community configurable instead of hard-coded. As always, only run scripts from sources you trust — this particular script is straightforward and does not exfiltrate data to external endpoints, but it will expose SNMP-retrieved device information to whoever runs it.

Read hardware temperature sensors on the DGX Spark via SNMP.

When to use

• User asks for body temperature, DGX Spark temp, hardware temps, how hot things are running
• Any temperature/hardware health check request for the DGX Spark

How to use

Run exec with:

bash <workspace>/skills/dgx-spark-temperature/check_temperature.sh

The script uses:

• snmpwalk -v2c -c licpub dgx-spark1.fiber.house 1.3.6.1.4.1.2021.13.16.2.1
• Parses LM-SENSORS MIB table: lmTempSensorsIndex, lmTempSensorsDevice, lmTempSensorsValue
• Values are in milliCelsius — divide by 1000 for °C

Sensor mapping (16 sensors)

IDX	Sensor Name	Notes
1	asic	GPU/GB10 ASIC
2	Module0	GPU Module 0
3	mlx5-pci-0100:asic	Mellanox NIC #1 ASIC
4	mlx5-pci-0100:Module0	Mellanox NIC #1 module
5	temp1	Generic thermal sensor
6	temp2	Generic thermal sensor
7	temp3	Generic thermal sensor
8	temp4	Generic thermal sensor
9	temp5	Generic thermal sensor
10	temp6	Generic thermal sensor
11	temp7	Generic thermal sensor
12	mlx5-pci-20101:asic	Mellanox NIC #3 ASIC
13	mlx5-pci-0101:asic	Mellanox NIC #2 ASIC
14	Composite	Overall/aggregate temp
15	Sensor 1	Additional thermal probe
16	Sensor 2	Additional thermal probe

File layout

skills/dgx-spark-temperature/
  SKILL.md                    ← this file
  check_temperature.sh        ← the script

Notes

• Community string is licpub (read-only)
• SNMPv2c, no auth/privacy
• DGX Spark runs Ubuntu 24.04 kernel 6.17, aarch64 (NVIDIA)
• Location: "Basement" (per SNMP sysLocation)
• Hostname: bseitz-spark1