Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add voxel51/fiftyone-skills --skill fiftyone-code-stylegit clone --depth 1 https://github.com/voxel51/fiftyone-skillsWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/voxel51/fiftyone-skills/fiftyone-code-style)<a href="https://agentmods.dev/skills/voxel51/fiftyone-skills/fiftyone-code-style"><img src="https://agentmods.dev/badge/skills/voxel51/fiftyone-skills/fiftyone-code-style/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/voxel51/fiftyone-skills/fiftyone-code-style"><img src="https://agentmods.dev/badge/skills/voxel51/fiftyone-skills/fiftyone-code-style.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00038 | $0.00952 |
| Opus 5 | $0.00019 | $0.00476 |
| Sonnet 5 | $0.00008 | $0.00190 |
| Haiku 4.5 | $0.00004 | $0.00095 |
Grade A, and why
fiftyone-code-style scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 10d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 150 lines — stays where its author put it; the contents beside it link to each section on GitHub.
FiftyOne Code Style
Module Template
"""
Module description.
| Copyright 2017-2026, Voxel51, Inc.
| `voxel51.com <https://voxel51.com/>`_
|
"""
import logging
import os
import numpy as np
import eta.core.utils as etau
import fiftyone as fo
import fiftyone.core.fields as fof
import fiftyone.core.labels as fol
import fiftyone.core.utils as fou
logger = logging.getLogger(__name__)
def public_function(arg):
"""Public API function."""
return _helper(arg)
def _helper(arg):
"""Private helper."""
return arg
Import Organization
Four groups, alphabetized within each, separated by blank lines:
| Group | Example |
|---|---|
| 1. Standard library | import logging, import os |
| 2. Third-party | import numpy as np |
| 3. eta packages | import eta.core.utils as etau |
| 4. FiftyOne | import fiftyone.core.labels as fol |
FiftyOne Import Aliases
| Module | Alias |
|---|---|
fiftyone |
fo |
fiftyone.core.labels |
fol |
fiftyone.core.fields |
fof |
fiftyone.core.media |
fom |
fiftyone.core.storage |
fos |
fiftyone.core.utils |
fou |
fiftyone.utils.image |
foui |
fiftyone.utils.video |
fouv |
Docstrings (Google-Style)
def get_operator(operator_uri, enabled=True):
"""Gets the operator with the given URI.
Args:
operator_uri: the operator URI
enabled (True): whether to include only enabled operators (True) or
only disabled operators (False) or all operators ("all")
Returns:
an :class:`fiftyone.operators.Operator`
Raises:
ValueError: if the operator is not found
"""
Key patterns:
- Args with defaults:
param (default): description - Multi-line descriptions: indent continuation
- Cross-references:
:class:fiftyone.module.Class``
Lazy Imports
Use fou.lazy_import() for optional/heavy dependencies:
o3d = fou.lazy_import("open3d", callback=lambda: fou.ensure_package("open3d"))
mask_utils = fou.lazy_import(
"pycocotools.mask", callback=lambda: fou.ensure_import("pycocotools")
)
What ships with it
1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 10d ago First seen · 150 lines · 38 tokens per session scan A 7aacd090d360
fiftyone-code-style is a skill published in the GitHub repository voxel51/fiftyone-skills (39 stars, last pushed 24d ago), licensed Apache-2.0. It adds 38 tokens to every session and 952 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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