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/scienceworld-inventory-managernpx skills add zjunlp/SkillNet --skill scienceworld-inventory-managergit 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/scienceworld-inventory-manager)<a href="https://agentmods.dev/skills/zjunlp/skillnet/scienceworld-inventory-manager"><img src="https://agentmods.dev/badge/skills/zjunlp/skillnet/scienceworld-inventory-manager.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 | $0.00076 | $0.00413 |
| Opus 5 | $0.00038 | $0.00206 |
| Sonnet 5 | $0.00015 | $0.00083 |
| Haiku 4.5 | $0.00008 | $0.00041 |
Grade A, and why
scienceworld-inventory-manager 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 6d 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.
What it actually says
Skill: Inventory Manager
Purpose
Manage the agent's inventory: pick up objects from the environment or place them into containers.
Core Workflow
- Locate Object: Use
look aroundto confirm the object is present and note its exact name. - Acquire:
pick up OBJto move the object into your inventory. - Place (if needed):
move OBJ to OBJto transfer the object to a container. - Verify: Check the observation feedback to confirm the action succeeded. If it fails, verify exact object names with
look around.
Key Actions
| Action | Purpose |
|---|---|
look around |
Find objects and confirm names |
pick up OBJ |
Move object to inventory |
move OBJ to OBJ |
Place object into a container |
Examples
Acquiring an object:
look around— see "a metal pot containing nothing" in the kitchenpick up metal pot containing nothing in kitchen- Result: "You move the metal pot to the inventory."
Placing an object:
move metal pot to blue box- Result: Object transferred to the blue box.
Important Notes
- Some objects include state descriptions in their name (e.g., "metal pot containing nothing"). Use the full name as shown in the environment.
- Use container color and name as specified in the task (e.g.,
blue box,orange box). - Inventory capacity is limited — plan pick up and place actions to avoid conflicts.
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.
- 6d ago First seen · 38 lines · 76 tokens per session scan A 5fb607fc6029
scienceworld-inventory-manager is a skill published in the GitHub repository zjunlp/SkillNet (1,253 stars, last pushed yesterday), licensed MIT. It adds 76 tokens to every session and 413 once invoked, about $0.0004 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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