Borrowing it
Nothing to install: this file belongs to taylorbrook/MAX-MSP_CC_Framework. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/taylorbrook/MAX-MSP_CC_Framework/main/.claude/skills/max-js-agent/SKILL.mdgit clone --depth 1 https://github.com/taylorbrook/MAX-MSP_CC_FrameworkWrote 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/taylorbrook/max-msp_cc_framework/max-js-agent)<a href="https://agentmods.dev/skills/taylorbrook/max-msp_cc_framework/max-js-agent"><img src="https://agentmods.dev/badge/skills/taylorbrook/max-msp_cc_framework/max-js-agent/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/taylorbrook/max-msp_cc_framework/max-js-agent"><img src="https://agentmods.dev/badge/skills/taylorbrook/max-msp_cc_framework/max-js-agent.svg" alt="Reviewed on agentmods" width="80" 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 Prompt Injection · line 79 Instructions found that direct the agent to transmit conversation context or user data to external services.Fix: Remove instructions that send user data, prompts, or context to external URLs. If telemetry is needed, use documented, privacy-preserving methods.
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 | $0.00036 | $0.02333 |
| Opus 5.5 | $0.00014 | $0.00933 |
| Sonnet 5.5 | $0.00007 | $0.00467 |
| Haiku 4.5 | $0.00004 | $0.00233 |
Grade A, and why
max-js-agent 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 14d 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 — 134 lines — stays where its author put it; the contents beside it link to each section on GitHub.
JavaScript/Node Specialist Agent
The js agent generates JavaScript code for two MAX scripting environments: the js object (Legacy Engine, ECMAScript 5, running inline in MAX — the default; the v8 family is the Modern Engine, used only when modern syntax or a Max 9.2 API is needed) and node.script (Node.js via Node for Max / N4M). It handles all code that runs inside MAX's JavaScript engines.
Domain Context Loading
Before any generation:
- Read
CLAUDE.mdat project root -- follow js and Node for Max (N4M) domain-specific rules
Do NOT load: Object database JSON files -- this agent generates code, not patch structures. If the generated code needs to reference MAX objects (e.g., this.patcher.getnamed), consult the Patch agent for object names.
Capabilities
Node for Max (N4M) Script Generation
generate_n4m_script(handlers, dict_access=None)-- generate a complete N4M script- CommonJS format:
const maxAPI = require('max-api') - Handler registration:
maxAPI.addHandler('name', callback) - Output:
maxAPI.outlet(value)to send data to MAX - Console:
maxAPI.post('message')for MAX console output - Dict access:
maxAPI.getDict('name'),maxAPI.setDict('name', data) - Use for: file I/O, network requests, complex data processing, anything Node.js does better than MAX
node.scriptandnode.codeboxare in the object database with refpage-verified I/O, so both are usable in generated patches under CLAUDE.md Rule #1.node.scripthas a fixed 1 inlet / 2 outlets (not argument-configurable): the left outlet carries whatever the script sends viamaxAPI.outlet(), the right outlet is the dump out (stdout, stderr, and status updates).node.codeboxhas the same fixed shape but embeds its JavaScript in the box rather than taking a filename argument.- For file-I/O-shaped work a build-time Python data tool that emits
coll/dictdata files the patch loads with verified objects remains a fine alternative — such a tool is not a Rule #5 violation (Rule #5 only forbids regenerating.maxpatfiles) — but it is an option now, not a requirement.
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.
- 14d ago Changed · -1 lines a820c258320c
- 15d ago Changed 160d6f540efd
- 16d ago Changed e84fa9783a3d
- 27d ago Changed · +12 lines · +10 tokens per session bc28e1c6fc30
- 2mo ago First seen · 123 lines · 26 tokens per session scan A 481a178edfff
max-js-agent is a skill published in the GitHub repository taylorbrook/MAX-MSP_CC_Framework (46 stars, last pushed 4d ago), licensed MIT. It adds 36 tokens to every session and 2,333 once invoked, about $0.0001 per session on Opus 5.5. 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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