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/imoonkey/openweb/npmnpx skills add imoonkey/openweb --skill npmgit clone --depth 1 https://github.com/imoonkey/openwebWhat 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 | $0.00000 | $0.00390 |
| Opus 5 | $0.00000 | $0.00195 |
| Sonnet 5 | $0.00000 | $0.00078 |
| Haiku 4.5 | $0.00000 | $0.00039 |
Grade A, and why
npm 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.
What it actually says
npm
Overview
JavaScript package registry at registry.npmjs.org. Public REST API for package search, metadata, versions, and download statistics.
Workflows
Find a package
searchPackages(text)→ browseobjects[].package→ picknamegetPackage(package=name)→ description, latest version, dependencies, license
Check package health
getPackage(package)→ latest version, maintainers, repository, timestampsgetDownloads(package)→ downloads, start, endgetVersions(package)→ full release history with dates
Compare versions
getVersions(package)→ all versions sorted newest-first with publish datesgetPackage(package)→ latest version dependencies and dist-tags
Operations
| Operation | Intent | Key Input | Key Output | Notes |
|---|---|---|---|---|
| searchPackages | find packages by keyword | text | name, version, description, score, downloads | entry point, paginated via from/size |
| getPackage | package summary | package <- searchPackages.name | name, description, latest deps, license, maintainers | adapter-unwrapped summary |
| getVersions | version history with dates | package <- searchPackages.name | versions [{version, date}], versionCount | sorted newest-first |
| getDownloads | weekly download stats | package <- searchPackages.name | downloads, start, end | uses api.npmjs.org host |
Quick Start
# Search for packages
openweb npm exec searchPackages '{"text": "express"}'
# Get package summary
openweb npm exec getPackage '{"package": "react"}'
# Get version history
openweb npm exec getVersions '{"package": "express"}'
# Get download stats
openweb npm exec getDownloads '{"package": "lodash"}'
What ships with it
9 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.
- 2d ago First seen · 45 lines · 0 tokens per session scan A 6b1b55af1595
npm is a skill published in the GitHub repository imoonkey/openweb (56 stars, last pushed 2mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 390 tokens. 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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