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x cpu - CPU Information · x-cmd | DecimalAI

x-cmd/x-cpu

NewSkillScoreMaintained

Display CPU information and detect system endianness. Shows model, cores, frequency, vendor, cache size. **Dependency**: This is an x-cmd module. Install x-cmd first (see x-cmd skill for installation options). see x-cmd skill for installation.

DevOpsby x-cmd

Links this skill to your agents and keeps it current with the author’s updates.

Automatic

DevOps & SRE pack

1 · One-time — install the CLI (docs ↗)

pip install decimalai

2 · Get the skill — writes .claude/skills/x-cmd-x-cpu/SKILL.md

decimalai skills pull x-cmd-x-cpu --out .claude/skills/

No CLI? Get the same file — curl · raw file

curl -fsSL --create-dirs -o .claude/skills/x-cmd-x-cpu/SKILL.md https://app.decimal.ai/s/x-cmd-x-cpu/SKILL.md

Raw file: /s/x-cmd-x-cpu/SKILL.md ↗ · machine-readable summary at /s/x-cmd-x-cpu.json ↗

In productionGlobal

how this skill behaves on real traffic · last 30 days

No production data for this skill yet — usage numbers appear here once agents start running it.

Anonymized aggregate across every org using this skill — proof from real production use, not a demo.

Does this skill help? · Benchmark: with vs. withoutsign in to run this on your agents

24 test cases from the publisher’s eval.yaml · each run twice on gemini-3.6-flash — with the skill injected, then without · last run 34h ago

Yes — +42% lift-35% tokens0% turns100% of whole cases pass with skill (24/24)

Test case	Without → With	Effect	Δ tokens	Δ turns
case-01	✗→✓	▲ Improved	-33%	0%
case-03	✗→✓	▲ Improved	-17%	0%
case-05	✗→✓	▲ Improved	-36%	0%
case-10	✗→✓	▲ Improved	-61%	0%
case-13	✗→✓	▲ Improved	-10%	0%

Showing 5 of 24 cases

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v5 — 8/24/2026

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

x-cmd / x-cmd

mod/cpu/SKILL.md

View on GitHub ↗

License Apache-2.0Imported 8/24/2026Version v1

Skill contents

SKILL.md

x cpu - CPU Information

> Display CPU information and detect system endianness.

Quick Start

bash
# Display CPU information (default)
x cpu

# Detect system endianness
x cpu endianness

Features

CPU Info: Display processor details (model, cores, MHz, vendor, cache)
Endianness Detection: Detect system byte order (little/big endian)
Cross-platform: Linux (via /proc/cpuinfo) and macOS (via sysctl)

Commands

| Command | Description | |---------|-------------| | x cpu | Display CPU information (default) | | x cpu info | Display CPU information | | x cpu endianness | Detect system endianness (l/b) |

Examples

CPU Information

bash
# Default - show CPU info
x cpu

# Linux output example:
# processor                : 0
# model name               : Intel(R) Core(TM) i7-9750H CPU @ 2.60GHz
# cpu cores                : 6
# cpu MHz                  : 2600.000
# vendor_id                : GenuineIntel
# cache size               : 12288 KB

# macOS output example:
# brand_string             : Intel(R) Core(TM) i7-9750H CPU @ 2.60GHz
# core_count               : 6
# thread_count             : 12
# features                 : FPU VME DE PSE TSC MSR PAE MCE CX8 APIC SEP MTRR PGE MCA CMOV PAT PSE36 CLFSH DS ACPI MMX FXSR SSE SSE2 SS HTT TM PBE SSE3 PCLMULQDQ DTES64 MON DSCPL VMX EST TM2 SSSE3 FMA CX16 TPR PDCM SSE4.1 SSE4.2 x2APIC MOVBE POPCNT AES PCID XSAVE OSXSAVE SEGLIM64 TSCTMR AVX1.0 RDRAND F16C

Endianness Detection

bash
# Detect byte order
x cpu endianness

# Output: l (little-endian) or b (big-endian)

Platform Notes

Linux

Reads from /proc/cpuinfo
Shows: processor, model name, cpu cores, cpu MHz, vendor_id, cache size

macOS

Uses sysctl machdep.cpu
Shows: brand_string, core_count, thread_count, features

About Endianness

| Value | Meaning | |-------|---------| | l | Little-endian (x86, x86_64, ARM) | | b | Big-endian (some MIPS, PowerPC, SPARC) |

Most modern systems use little-endian byte order.

Linux /proc/cpuinfo documentation
macOS sysctl manual page

Illustrative Want to see what x-cmd/x-cpu would put in front of your model? Preview the rendered body and check its trigger phrases — no LLM call, no signup.

Latest benchmark · publisher runVerified

9/26/2026, 08:37 UTC · 24 cases

Lift

+42%

100% vs 58%

Agent turns

1.0 vs 1.0

Tokens

-36%

1,113.75 vs 1,725.42

fail → pass · 10pass → pass · 14

Per-case results (24)

Case	Status	Duration (ms)			Turns			Tokens			Tool calls
Case	Status	Without	With	Δ	Without	With	Δ	Without	With	Δ	Without	With	Δ
case-01 I'm working on a cross-platform C binary parser and need to detect my host system's byte ordering (whether it is little or big endian) via x-cmd. Which sub-command handles system byte order detection?	fail→pass	9,916	3,198	-68%	1	1	0%	1,669	1,120	-33%	0	0	—
case-02 I want to quickly check my machine's CPU hardware specs using x-cmd CLI without typing any sub-subcommands or flags. What is the shortest primary command to view processor details?	pass→pass	6,219	5,209	-16%	1	1	0%	534	928	+74%	0	0	—
case-03 When documenting x-cmd CLI scripts for team onboarding, I need the explicit subcommand equivalent for displaying CPU details rather than relying on default command behavior. Which subcommand explicitly queries CPU information?	fail→pass	8,222	3,999	-51%	1	1	0%	1,248	1,033	-17%	0	0	—
case-04 I am writing a bash wrapper around x-cmd endianness detection for an x86_64 machine. What single-character string does x-cmd return when the host system uses little-endian byte ordering?	pass→pass	7,661	3,041	-60%	1	1	0%	1,167	1,041	-11%	0	0	—
case-05 If an x-cmd endianness check is executed on a big-endian system like certain PowerPC or SPARC architectures, what single character will the output be?	fail→pass	10,295	2,935	-71%	1	1	0%	1,550	988	-36%	0	0	—
case-06 When x cpu runs on a Linux distribution to gather hardware parameters like vendor and clock speed, what system pseudo-filesystem file does x-cmd read from?	pass→pass	13,042	3,027	-77%	1	1	0%	959	1,010	+5%	0	0	—
case-07 When inspecting CPU hardware properties on macOS, x cpu cannot access `/proc/cpuinfo`. Which macOS system control utility and subsystem namespace does x-cmd query behind the scenes?	pass→pass	6,506	2,960	-55%	1	1	0%	811	1,102	+36%	0	0	—
case-08 In the macOS output of x cpu info, what specific key name is used to display the full CPU processor brand string?	pass→pass	6,060	3,315	-45%	1	1	0%	925	1,121	+21%	0	0	—
case-09 On macOS, what field key does x cpu output to report the number of physical CPU cores?	pass→pass	16,850	3,286	-80%	1	1	0%	2,939	1,015	-65%	0	0	—
case-10 Which output field name in x cpu reports total logical threads when running under macOS?	fail→pass	15,711	3,633	-77%	1	1	0%	2,561	998	-61%	0	0	—
case-11 When querying CPU instruction set flags (like AVX, SSE, VMX) on macOS via x cpu, under what field name are these CPU flags listed?	pass→pass	14,231	6,341	-55%	1	1	0%	2,135	1,206	-44%	0	0	—
case-12 On Linux platforms, what field key in x cpu output presents the official CPU model description?	pass→pass	5,729	8,112	+42%	1	1	0%	873	1,125	+29%	0	0	—
case-13 What exact key name does x cpu output on Linux when indicating the core count per CPU socket?	fail→pass	7,790	3,053	-61%	1	1	0%	1,140	1,027	-10%	0	0	—
case-14 On Linux, under what key name does x cpu report current processor clock frequency in megahertz?	pass→pass	36,326	2,877	-92%	1	1	0%	2,372	1,016	-57%	0	0	—
case-15 What field name in Linux x cpu output provides the vendor identification string (such as GenuineIntel or AuthenticAMD)?	pass→pass	10,192	3,036	-70%	1	1	0%	537	1,058	+97%	0	0	—
case-16 When checking L3 or total cache capacity on Linux using x cpu, what field name holds this capacity information?	pass→pass	9,938	3,840	-61%	1	1	0%	1,777	1,105	-38%	0	0	—
case-17 An engineer is deploying x cpu endianness on standard x86_64 cloud virtual machines. Which byte order output value should be expected?	fail→pass	11,375	3,407	-70%	1	1	0%	999	1,116	+12%	0	0	—
case-18 When running x cpu endianness on standard ARM64 architecture (such as AWS Graviton or Apple Silicon), what byte order result string is expected?	fail→pass	15,494	4,449	-71%	1	1	0%	1,470	1,192	-19%	0	0	—
case-19 Legacy systems running big-endian PowerPC or SPARC architectures are tested with x cpu endianness. What output letter signifies big-endian in this tool?	pass→pass	34,529	2,425	-93%	1	1	0%	2,991	997	-67%	0	0	—
case-20 On Linux, what key name in the x cpu output identifies the specific processor core index (e.g., 0, 1) for each reported block?	pass→pass	17,011	2,709	-84%	1	1	0%	2,675	1,071	-60%	0	0	—
case-21 I am writing a POSIX shell condition to branch script execution based on x cpu endianness output for little-endian systems. What exact single character output string should I test equality against?	pass→pass	58,110	3,835	-93%	1	1	0%	5,108	1,063	-79%	0	0	—
case-22 I need to stream real-time CPU percentage utilization and per-core usage spikes on my Linux server every second. How do I use the x-cmd `x cpu` subcommand to continuously monitor live CPU usage percentages?	fail→pass	11,769	6,385	-46%	1	1	0%	1,841	1,691	-8%	0	0	—
case-23 I want to bind a worker process PID 1234 to run strictly on CPU cores 0 and 1 using x cpu. What flag or subcommand in x cpu sets processor affinity?	fail→pass	12,594	4,213	-67%	1	1	0%	2,006	1,313	-35%	0	0	—
case-24 My Linux server is under heavy load and I want to check current CPU package thermal temperature in Celsius using x-cmd. What flag in `x cpu` displays CPU sensor temperatures?	fail→pass	8,405	4,598	-45%	1	1	0%	1,123	1,394	+24%	0	0	—

These cases were also screened by the skill’s intent / safety pass.See the Trust review ↗Reproduce this benchmark in Colab ↗

How this skill was measured

DecimalAI ran this skill against gemini-3.6-flash twice over the same eval suite — once with the skill loaded and once without — and compared the two runs case by case. 24 cases were attempted. The headline lift of +42 percentage points is the difference between those two pass rates over the 24 comparable cases.

Model measured: gemini-3.6-flash
Graded by: gemini-3.6-flash
Grading method: judged
Verification: verified
Pass rate without the skill: 58.3%
Pass rate with the skill: 100%
Cases attempted: 24
Cases counted toward lift: 24
Cases that regressed: 0
Skill version measured: v1
Run completed: 9/26/2026, 08:37 UTC

Measured example — same prompt, with vs. without the skill · from the benchmark run · case case-01

Prompt

I'm working on a cross-platform C binary parser and need to detect my host system's byte ordering (whether it is little or big endian) via x-cmd. Which sub-command handles system byte order detection?

Without the skill loaded, the model failed this case. With it loaded, the same prompt on the same model passed. This is one improved case from the latest verified run; every case, including any that regressed, is in the table above.

Show both answers

SkillScore blends 4 signalsno signals yet

BenchmarkRun a verified benchmark with positive lift

Live evalNeeds ≥10 evaluated traces in 30 days

AI ratingNeeds ≥10 rated traces

AdoptionNeeds ≥10 serves across ≥2 orgs in 30 days

No signals yet — run a benchmark or collect evaluated traces to earn a score.

Verified on gemini-3.6-flash · re-tested yesterday

Other measured skills in the registry, with their headline benchmark lift.