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 manutej/luxor-claude-marketplace --skill nodejs-developmentgit clone --depth 1 https://github.com/manutej/luxor-claude-marketplaceWrote 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/manutej/luxor-claude-marketplace/nodejs-development)<a href="https://agentmods.dev/skills/manutej/luxor-claude-marketplace/nodejs-development"><img src="https://agentmods.dev/badge/skills/manutej/luxor-claude-marketplace/nodejs-development/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/manutej/luxor-claude-marketplace/nodejs-development"><img src="https://agentmods.dev/badge/skills/manutej/luxor-claude-marketplace/nodejs-development.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- Socket pass
- Snyk warn
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 | $0.00034 | $0.10862 |
| Opus 5.5 | $0.00014 | $0.04345 |
| Sonnet 5.5 | $0.00007 | $0.02172 |
| Haiku 4.5 | $0.00003 | $0.01086 |
Grade B, and why
nodejs-development scanned grade B with 2 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 1mo 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.
Sends data to an external URLmediumData exfiltration
A POST to an outside endpoint may be telemetry or may be exfiltration; either way the mod talks to somewhere, and you should know where.
const response = await fetch('https://api.example.com/users', { method: 'POST', Runs shell commandslowCapability
Expected in a hook, worth knowing in a rule or an instructions file.
const child_process = require('child_process'); // Child processes The source is not reproduced here
No licence file
A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.
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.
- 1mo ago First seen · 1,892 lines · 34 tokens per session scan B 74409b3a1a38
nodejs-development is a skill published in the GitHub repository manutej/luxor-claude-marketplace (62 stars, last pushed 4mo ago), with no licence file. It adds 34 tokens to every session and 10,862 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it B with 2 findings (sends data to an external url, runs shell commands). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
Other skills, from other repositories
nodejs-expert
Expert-level Node.js backend development with Express, async patterns, streams, performance optimization, and production best practices. Use when the user mentions JavaScript, backend, Express, or async, or when the task involves Modern Node.js Features, Express Framework, File System Operations, or HTTP Requests.
geoserver-rest-api
Use when automating GeoServer 3.0.2 over REST — POST /rest/workspaces, datastores, featuretypes, PUT Shapefile ZIP to file.shp, GeoTIFF to coveragestores, upload SLD as application/vnd.ogc.sld+xml, ?recurse=true deletes. curl -u admin:geoserver, single-key JSON like {"workspace":{...}}, 401 on POST but 200 on GET, GWC…
typescript-expert
Expert-level TypeScript development with modern tooling, advanced types, and best practices. Use this skill for TypeScript projects requiring type-safe code, modern bundling, and comprehensive testing.
fastapi-expert
Expert-level FastAPI development for high-performance Python APIs with async support. Use when the user mentions Python, API, async, REST, OpenAPI, or Pydantic, or when the task involves FastAPI Features.
fastapi-patterns
FastAPI production patterns — routing, dependency injection, background tasks, streaming, error handling, and async. Use when building or reviewing a FastAPI service.
api-design
Design REST APIs with consistent naming, error handling, versioning, and pagination. Use when designing a new API, reviewing an existing one, or writing an OpenAPI spec.