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 linkfox-ai/linkfox-skills --skill linkfox-sif-compliance-detectiongit clone --depth 1 https://github.com/linkfox-ai/linkfox-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/linkfox-ai/linkfox-skills/linkfox-sif-compliance-detection)<a href="https://agentmods.dev/skills/linkfox-ai/linkfox-skills/linkfox-sif-compliance-detection"><img src="https://agentmods.dev/badge/skills/linkfox-ai/linkfox-skills/linkfox-sif-compliance-detection/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/linkfox-ai/linkfox-skills/linkfox-sif-compliance-detection"><img src="https://agentmods.dev/badge/skills/linkfox-ai/linkfox-skills/linkfox-sif-compliance-detection.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.00090 | $0.02744 |
| Opus 5.5 | $0.00036 | $0.01098 |
| Sonnet 5.5 | $0.00018 | $0.00549 |
| Haiku 4.5 | $0.00009 | $0.00274 |
Grade A, and why
linkfox-sif-compliance-detection 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 3d 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 — 139 lines — stays where its author put it; the contents beside it link to each section on GitHub.
SIF Design Patent Detection
SIF design patent detection currently provides design-similarity search from a product image. Present the source's matching evidence and coverage for candidate review; do not issue an infringement verdict.
Core Concepts
- Supply exactly one image source:
imageUrlorimageBase64. A title supplements the image and cannot replace it. Image and title searches use separate modalities; their raw scores must not be added. topKdefaults to 20 and accepts 1–200. Candidate count does not determine the user's price.regionsuses ISO-2 identifiers such as CN/US/EM; the upstream source uses EU where this input uses EM.jurisdictionCodesuses source identifiers such as USID/EMID. When both filters are supplied, their intersection applies.topLocfilters two-digit Locarno prefixes;locarnoClassesfilters full NN-NN codes. Missing classification remains unknown; do not remove such candidates yourself.patentStatusis an optional integer array:[0],[1]or[0,1]. Omission adds no status preference. Preserve returned unknown/pending status and coverage; do not infer whether those rows were included or excluded, or refilter them locally.- Current upstream coverage includes an independent CN scope. Determine usable coverage and loading gaps from returned
coverageandwarnings; do not assume every jurisdiction has equal coverage or hardcode dataset counts. - The backend handles upstream signing and credentials. The skill sends only business parameters and a LinkFox gateway Key.
Data Fields
Check both the gateway errcode (200 on success) and upstream data.code (OK on success). Candidates are at data.data.candidates, with source coverage and warnings alongside them. Candidate fields may be missing or null; omission and null both mean an unknown source fact. The full envelope, optional processing metadata and field types are documented in references/api.md.
| Candidate fields | Use |
|---|---|
design_registration_id, primary_identifier, application_number, registration_number, publication_number |
Source identifiers for follow-up review |
registration_jurisdiction_code, jurisdiction_iso2, locarno_classes |
Source jurisdiction and classification; do not interchange the two jurisdiction fields |
title, title_en, title_language, title_en_source |
Returned title, language and English-title provenance; do not invent translations |
holder_names, designer_names |
Source holder and designer information |
image_score, text_score, similarity, matched_modality |
Separate raw modality scores and the source's 0–100 similarity conversion; similarity is not a probability |
simple_legal_status, registration_date, application_date, publication_date |
Source status and YYYY-MM-DD dates, when returned |
image_available |
Image availability hint; it does not supply an image URL |
What ships with it
4 files 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.
- 3d ago First seen · 139 lines · 90 tokens per session scan A d3b9edc191fb
linkfox-sif-compliance-detection is a skill published in the GitHub repository linkfox-ai/linkfox-skills (109 stars, last pushed 2d ago), licensed MIT. It adds 90 tokens to every session and 2,744 once invoked, about $0.0004 per session on Opus 5.5. 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 2026-10-15.
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