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Cubepi Trace

Category: Engineering  ·  Sub-category: engineering-misc  ·  Last updated:
Use when debugging a cubepi/cubebox agent run — a missing final reply, a tool that misbehaved, a 4xx from the model, wrong token/cache numbers, or "why did the agent do that?". Reads the JSONL traces cubepi writes per run via the `cubepi trace` CLI (ls / view / follow / stats) to inspect the span tree, errors, tool inputs/outputs, and token usage. Triggers on phrases like "查一下这个 run", "trace 一下", "为什么最后一轮没回复", "工具结果不对", "看 trace".

From the source SKILL.md

cubepi can record every agent run as an OpenTelemetry span tree, written to local JSONL files. The cubepi trace CLI reads those files so you can see exactly what happened inside a run without re-running it: which LLM calls and tool calls fired, in what order, what each returned, where it errored, and the token/cache counts. Reach for this before guessing at a bug.

What this skill does

Cubepi Trace is a community-contributed Claude Code skill in the engineering-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/cubepi-trace/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when debugging a cubepi/cubebox agent run — a missing final reply, a tool that misbehaved, a 4xx from the model, wrong token/cache numbers, or "why did the agent do that?". Reads the JSONL traces cubepi writes per run via the `cubepi trace` CLI (ls / view / follow / stats) to inspect the span tree, errors, tool inputs/outputs, and token usage.

Who uses this skill

The Cubepi Trace Claude Code skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 116,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/cubepi-trace
curl -L https://claudskills.com/skills/cubepi-trace/SKILL.md \
  -o ~/.claude/skills/cubepi-trace/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/cubepi-trace/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/cubepi-trace/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\cubepi-trace\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Telegram

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Cubepi Trace Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/cubepi-trace/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Cubepi Trace skill do?
Use when debugging a cubepi/cubebox agent run — a missing final reply, a tool that misbehaved, a 4xx from the model, wrong token/cache numbers, or "why did the agent do that?". Reads the JSONL traces cubepi writes per run via the `cubepi trace` CLI (ls / view / follow / stats) to inspect the span tree, errors, tool inputs/outputs, and token usage. Triggers on phrases like "查一下这个 run", "trace 一下", "为什么最后一轮没回复", "工具结果不对", "看 trace".
Is this skill free to install?
Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.
When should I use the Cubepi Trace skill?
Use Cubepi Trace when your Claude Code task falls under the Engineering category — specifically in the engineering misc area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Cubepi Trace" or describe the task and let Claude pick). Browse related skills at /category/engineering/.
What is a Claude Code skill and how does the Cubepi Trace skill fit in?
A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Cubepi Trace is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Engineering category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA
cubeplexai. (2026). Cubepi Trace [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/cubepi-trace/
BibTeX
@misc{cubepi-trace-2026,
  author    = {cubeplexai},
  title     = {Cubepi Trace [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/cubepi-trace/}
}

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