SkillNet is infrastructure for finding, creating, evaluating, combining, and coordinating reusable capabilities for AI agents. Agent developers use it as a searchable and installable library of skills and as a system for selecting skills for particular tasks. The catalogue contains skills that can be discovered, installed, or used with SkillNet.
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 agentmods add skills/zjunlp/skillnet/webshop-result-filternpx skills add zjunlp/SkillNet --skill webshop-result-filtergit clone --depth 1 https://github.com/zjunlp/SkillNetWrote 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/zjunlp/skillnet/webshop-result-filter)<a href="https://agentmods.dev/skills/zjunlp/skillnet/webshop-result-filter"><img src="https://agentmods.dev/badge/skills/zjunlp/skillnet/webshop-result-filter.svg" alt="Measured on agentmods" 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 | $0.00070 | $0.00725 |
| Opus 5 | $0.00035 | $0.00362 |
| Sonnet 5 | $0.00014 | $0.00145 |
| Haiku 4.5 | $0.00007 | $0.00072 |
Grade A, and why
webshop-result-filter 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 2d 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 — 51 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Skill: webshop-result-filter
When to Use
Activate this skill when you are on a search results page in a web shopping environment and need to systematically evaluate which products meet a user's specific, multi-faceted requirements (e.g., "price lower than 40.00 dollars" AND "natural looking").
Core Instruction
-
Parse the Instruction: Extract the user's constraints from the instruction. Common constraints include:
- Price: A maximum or target price (e.g.,
price lower than 40.00 dollars). - Features: Specific attributes or keywords (e.g.,
natural looking,long,clip-in). - Ratings: A minimum rating threshold (if available in the observation).
- Price: A maximum or target price (e.g.,
-
Validate Constraints: Confirm you have at least one constraint extracted before proceeding. If the instruction contains no filterable criteria, skip filtering and select the first available product.
-
Parse the Observation: Extract the list of products from the search results page (Product ID, Title, Price, Rating if available).
-
Apply Filters: For each product, check it against all extracted constraints:
- Price Filter: Is the product price strictly below the user's maximum?
- Keyword/Feature Filter: Does the title/description contain the required feature keywords?
- Rating Filter: If a rating constraint exists, does the product meet the minimum?
-
Output Decision: Select the first product that passes all criteria as the primary candidate for
click[product_id]. If no product passes:- Try
click[Next >]to check additional result pages. - If no more pages, use
search[refined keywords]with adjusted terms.
- Try
Example from Trajectory
- User Instruction:
i need a long clip-in hair extension which is natural looking, and price lower than 40.00 dollars - Extracted Constraints:
price < 40.00- Keywords:
natural(implied from "natural looking")
- Observation (First Page): Contains ~10 products with IDs, titles, and prices.
- Filtering Process:
B09C337K8S: Price $29.99 (< $40.00). Title contains "Natural Looking". PASSES.B093BKWHFK: Price $63.99 (> $40.00). FAILS on price.B099K9Z9L2: Price $43.99 (> $40.00). FAILS on price.
- Result:
B09C337K8Sis selected as the top matching candidate.
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.
- 2d ago First seen · 51 lines · 70 tokens per session scan A d855ff0ea440
webshop-result-filter is a skill published in the GitHub repository zjunlp/SkillNet (1,254 stars, last pushed 2d ago), licensed MIT. It adds 70 tokens to every session and 725 once invoked, about $0.0003 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 2026-09-03.
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