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 skills add zjunlp/SkillNet --skill alfworld-tool-locatorgit 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/alfworld-tool-locator)<a href="https://agentmods.dev/skills/zjunlp/skillnet/alfworld-tool-locator"><img src="https://agentmods.dev/badge/skills/zjunlp/skillnet/alfworld-tool-locator.svg" alt="Measured on agentmods" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 1 finding, up to high
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- high Privilege Escalation · line 37 Code accesses credential files (SSH keys, AWS credentials, etc.). This could indicate credential theft attempts.Fix: Remove references to credential paths. Use environment variables or secrets managers. For docs, use placeholder paths (e.g., /path/to/config). Never load .env or token files in production code paths.
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 | $0.00096 | $0.00560 |
| Opus 5 | $0.00048 | $0.00280 |
| Sonnet 5 | $0.00019 | $0.00112 |
| Haiku 4.5 | $0.00010 | $0.00056 |
Grade A, and why
alfworld-tool-locator 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 8d 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
Instructions
Locate a specified tool or device by systematically checking receptacles where it is likely stored.
Workflow
- Prioritize search locations based on tool type:
- Small tools/electronics (desklamp, remotecontrol):
sidetable,desk,drawer,shelf - Kitchen tools (knife, spatula):
countertop,cabinet,drawer - Cleaning tools (sponge, spraybottle):
shelf,cabinet,countertop - Default: check all visible receptacles in order
- Small tools/electronics (desklamp, remotecontrol):
- Navigate to each prioritized receptacle:
go to {receptacle} - Inspect the observation for the target tool name
- If found: Stop searching. Proceed to use the tool for the main task
- If not found: Continue to the next receptacle in the priority list
- If exhausted: Expand search to remaining receptacles not yet checked
Action Format
go to {receptacle}-- navigate to check a locationtake {tool} from {receptacle}-- pick up the tool once found (if needed)use {tool}/toggle {tool}-- operate the tool in place (e.g., desklamp)
Error Recovery
- If "Nothing happened": verify the receptacle name matches the environment scan
- If tool not found after all likely spots: expand search to every receptacle from the initial environment scan
Example
Scenario: You need to find a desklamp to examine an object.
Thought: I need to find a desklamp. Desklamps are usually on sidetables or desks.
Action: go to sidetable 1
Observation: On the sidetable 1, you see a keychain 1.
Thought: No desklamp here. Let me check the next sidetable.
Action: go to sidetable 2
Observation: On the sidetable 2, you see a desklamp 1.
Result: Found desklamp 1 on sidetable 2. Proceed to use it for the task.
What ships with it
2 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.
- 8d ago First seen · 44 lines · 96 tokens per session scan A 641a15812978
alfworld-tool-locator is a skill published in the GitHub repository zjunlp/SkillNet (1,254 stars, last pushed 4d ago), licensed MIT. It adds 96 tokens to every session and 560 once invoked, about $0.0005 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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