prismer-node-inspect-debugger

prismer-node-inspect-debugger is a skill for Claude Code, Codex from Prismer-AI/PrismerCloud. It costs 21 tokens per session (3,207 once invoked), scanned A, a copy of node-inspect-debugger, MIT.

A debugger for Node.js programs using Node's built-in inspector and the Chrome DevTools Protocol, a way to control debugging tools from code.

In plain words
What is it for?
It is for setting breakpoints, stepping through Node.js code, viewing call stacks and variables, and evaluating expressions while paused.
Why use it?
It lets you pause JavaScript running on the server and inspect what it is doing when log messages are not enough.

Skill for Claude CodeCodex

Which agent this was written for is unclear — built for hermes-agent. Also seen: built for hermes-agent.

Needs its repository: it runs a file that does not travel with it, so clone the repository first. The line is node --inspect-brk ./node_modules/vitest/vitest.mjs run --no-file-parallelism src/app/foo.test.tsx.

Good fit It is for setting breakpoints, stepping through Node.js code, viewing call stacks and variables, and evaluating expressions while paused.

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About the project

Prismer Cloud is an infrastructure layer for AI agents that provides shared learning, compressed context, persistent memory, collaboration, messaging, tasks, identity, and workspaces. It is for agents and the people building or using long-running agent systems that need information and outcomes to persist across sessions. The catalogue entries provide skills, hooks, agents, instructions, and a plugin for using Prismer Cloud.

Prismer-AI/PrismerCloud · 1,384 stars · on GitHub · prismer.cloud

Install

Getting it into your agent

It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.

Clone the repo
git clone --depth 1 https://github.com/Prismer-AI/PrismerCloud
agentmods
npx agentmods add skills/prismer-ai/prismercloud/prismer-node-inspect-debugger

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for prismer-node-inspect-debugger

README.md
[![agentmods](https://agentmods.dev/badge/skills/prismer-ai/prismercloud/prismer-node-inspect-debugger/github.svg)](https://agentmods.dev/skills/prismer-ai/prismercloud/prismer-node-inspect-debugger)
Your own site
<a href="https://agentmods.dev/skills/prismer-ai/prismercloud/prismer-node-inspect-debugger"><img src="https://agentmods.dev/badge/skills/prismer-ai/prismercloud/prismer-node-inspect-debugger/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.

agentmods 80×15 button for prismer-node-inspect-debugger

Your own site · 80×15
<a href="https://agentmods.dev/skills/prismer-ai/prismercloud/prismer-node-inspect-debugger"><img src="https://agentmods.dev/badge/skills/prismer-ai/prismercloud/prismer-node-inspect-debugger.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 21 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,207 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe.
Origin 86% copy Near-identical to another mod in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00021 $0.03207
Opus 5.5 $0.00008 $0.01283
Sonnet 5.5 $0.00004 $0.00641
Haiku 4.5 $0.00002 $0.00321

Measured 18d ago against content hash ab66bff49b07, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

prismer-node-inspect-debugger scanned grade A with 1 finding 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 18d 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

curl -s http://127.0.0.1:9229/json/list | jq -r '.[0].webSocketDebuggerUrl'
Origin

This is a copy

86% identical to node-inspect-debugger — 66 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

sdk/cloud/catalog/skills/prismer-node-inspect-debugger/SKILL.md · 348 lines

How it starts

The opening of the file, as written. The whole thing — 348 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Prismer execution contract

This is the uniquely named prismer-node-inspect-debugger skill, adapted from Hermes. Use the actual tools exposed by the executing host; examples using terminal, process, delegate_task, vision_analyze or browser_* are not tool registrations. Missing dependencies do not hide this skill. Report command startup, version, account/permissions and task-specific live verification separately. Use task-owned artifact paths and existing user authorization; do not change shared accounts, Runtime/provider configuration, global security settings or unrelated work. See NOTICE.md and LICENSE for resource provenance. Runtime availability and upstream-entry suppression are owned by the integration layer.

Node.js Inspect Debugger

Overview

When console.log isn't enough, drive Node's built-in V8 inspector programmatically from the terminal. You get real breakpoints, step in/over/out, call-stack walking, local/closure scope dumps, and arbitrary expression evaluation in the paused frame.

Two tools, pick one:

  • node inspect — built-in, zero install, CLI REPL. Best for quick poking.
  • ndb / CDP via chrome-remote-interface — scriptable from Node/Python; best when you want to automate many breakpoints, collect state across runs, or debug non-interactively from an agent loop.

Prefer node inspect first. It's always available and the REPL is fast.

When to Use

  • A Node test fails and you need to see intermediate state
  • ui-tui crashes or behaves wrong and you want to inspect React/Ink state pre-render
  • tui_gateway child processes (_SlashWorker, PTY bridge workers) misbehave
  • You need to inspect a value in a closure that console.log can't reach without patching
  • Perf: attach to a running process to capture a CPU profile or heap snapshot

Don't use for: things console.log solves in under a minute. Breakpoint-driven debugging is heavier; use it when the payoff is real.

Quick Reference: node inspect REPL

Launch paused on first line:

Read the full file on GitHub · 348 lines

Files

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.

Changes

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.

  1. 18d ago First seen · 348 lines · 21 tokens per session scan A ab66bff49b07

Subscribe to this mod's changes

prismer-node-inspect-debugger is a skill published in the GitHub repository Prismer-AI/PrismerCloud (1,384 stars, last pushed 3d ago), licensed MIT. It adds 21 tokens to every session and 3,207 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it A with 1 finding (makes network calls). It is 86% identical to node-inspect-debugger, differing in 66 lines, and is treated as a copy.

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