Mmcp.market

get-available-resources skill

by K-Dense-AI·K-Dense-AI/scientific-agent-skills·47k stars·MIT

Detect host inventory and effective CPU, memory, disk, scheduler, container, and accelerator limits when a user asks for resource-aware planning or before a clearly resource-sensitive local workload. Produces a redacted JSON snapshot and conservative planning helpers without stress tests or assuming visible host hardware is usable.

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Is the get-available-resources skill safe?

Clean: nothing in its files matched our rules. We read 9 files in the folder on 2026-09-28.

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Install the get-available-resources skill

A skill is a folder. Copy it into your agent's skills folder and the agent loads it when the task matches its description. 

git clone --depth 1 https://github.com/K-Dense-AI/scientific-agent-skills.git /tmp/scientific-agent-skills
mkdir -p ~/.claude/skills
cp -r /tmp/scientific-agent-skills/skills/get-available-resources ~/.claude/skills/get-available-resources
available in every project

In the Claude apps, zip the folder and upload it from the Skills settings. The folder on GitHub

The instructions your agent would load

SKILL.md as published, without the frontmatter. Read it on GitHub

Get Available Resources

Build a conservative picture of resources available to the current process. Keep host inventory, process affinity, cgroup/container limits, scheduler allocation, and accelerator runtime usability separate.

Safety contract

Follow these rules:

planning. Do not persist a fingerprint for every scientific task.

  • Run detection when the user requests it or a specific workload needs resource

local filename.

  • Use stdout by default. Persist only when the user chooses an explicit generic

resets, driver installation, or clock/power changes.

  • Do not run stress tests, benchmarks, large allocations, write probes, device

variables implemented by the detector.

  • Do not dump the environment. Read only the named Slurm and accelerator

PCI addresses, or raw visibility-variable values.

  • Do not report hostnames, absolute paths, cgroup paths, job IDs, device UUIDs,

scheduler allocation or container.

  • Treat a missing observation as unknown. Never convert unknown to unlimited.
  • Never infer that a visible host CPU, memory pool, or GPU is usable inside a

The bundled detector uses only fixed executable/argument tuples, no shell, short timeouts, bounded stdout/stderr, and partial-failure warnings.

Quick start

Run from this skill directory.

Ephemeral stdout snapshot

python scripts/detect_resources.py

The command emits only JSON to stdout. Redirect it only when ordinary shell permissions are acceptable.

Explicit private file

python scripts/detect_resources.py --output resource-snapshot.json

Explicit output is restricted to one .json filename in the current directory, uses private permissions, rejects symlinks and path traversal, and refuses overwrite unless --force is supplied.

Optional psutil enhancement

The standard-library detector works without installation. For broader cross-platform physical-core, affinity, available-memory, swap, and disk coverage:

uv pip install "psutil==7.2.2"

The import is lazy. Failure to import psutil becomes a warning, not a fatal error.

Skip management-tool probes

python scripts/detect_resources.py --skip-accelerators

Use this when accelerator discovery latency is undesirable. The detector still summarizes the presence and state of allowlisted visibility variables without returning their values.

Required interpretation

CPU

Read these as different facts:

count.

  • cpu.host.logical: system-visible scheduling units.
  • cpu.host.physical: physical topology, or null; never inferred from logical

interpretation when scope is clear.

  • cpu.process.affinity_logical: current affinity-set size when supported.
  • cpu.cgroupv2.cpusetlogical: effective cgroup cpuset size.
  • cpu.cgroupv2.quotacores: finite cpu.max capacity, possibly fractional.
  • scheduler.allocation.cpuperprocess: bounded Slurm per-task
  • cpu.effective.capacity_cores: minimum positive observed constraint.
  • cpu.effective.worker_ceiling: conservative floor for CPU process workers.

A quota of 1.5 is CPU-time capacity, not 1.5 physical cores. Affinity and cpusets constrain placement; quota constrains bandwidth.

Memory

Keep these separate:

  • host total/available memory;
  • current cgroup usage, hard memory.max, and remaining hierarchical capacity;
  • memory.high, which is a pressure/throttle boundary rather than a hard cap;
  • scheduler memory allocation and its scope; and
  • conservative effective hard limit and available estimate.

On Apple silicon, memory.model is unifiedcpugpu. Do not add integrated GPU memory to RAM or describe it as separate VRAM.

Accelerators

Each device is a backend candidate:

  • NVIDIA GPU → CUDA candidate;
  • AMD GPU → ROCm candidate;
  • Apple integrated GPU → Metal candidate.

Management-query visibility does not establish:

  1. scheduler/container permission;
  2. device-node access;
  3. driver/runtime compatibility;
  4. framework package compatibility; or
  5. operator/data-type support.

Therefore runtimeusabledevices remains null and each device says runtimecompatibility: nottested. Visibility/allocation counts are upper bounds, not guarantees.

Disk

capacitybytes, filesystem freebytes, user-available blocks, and a non-writing permission check are distinct. Filesystem or project quotas can still be stricter. The absolute working path is always redacted.

Scheduler and container

Slurm variables describe allocation scope, but enforcement depends on site configuration such as task affinity or cgroups. Prefer affinity and cgroup observations as enforcement evidence.

Container markers identify context; cgroup controls identify limits. A container with no finite cgroup value can still see host inventory, and a non-root cgroup is not automatically labeled a container.

See references/resource_semantics.md for the detailed platform rules.

Plan a workload

The planner consumes a validated snapshot and performs no work:

python scripts/plan_workload.py resource-snapshot.json \
  --workload cpu \
  --tasks 100 \
  --memory-per-worker-mib 2048

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