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Dag Replay Debugger

Category: Dev Tools  ·  Sub-category: ide-editor  ·  Last updated:
type:debug
Time-travel debugging for DAG executions. Inspect agent state at any node, replay decisions with modified inputs, compare execution traces side-by-side, and identify where reasoning diverged. Inspired by LangGraph Studio's state-editing model and Temporal's event history. Activate on "debug DAG", "replay execution", "time travel debug", "inspect node state", "what went wrong at step", "compare runs", "execution diff". NOT for live monitoring (use dag-runtime + websocket-streaming), failure analysis (use dag-ops), or general code debugging.
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From the source SKILL.md

Time-travel debugging for DAG executions. Inspect any node's full state (inputs, prompt, output, reasoning), replay from any checkpoint with modifications, and compare execution traces.

What this skill does

Dag Replay Debugger is a community-contributed Claude Code skill in the ide-editor sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/dag-replay-debugger/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Dag Replay Debugger Claude Code skill is built for developers, power users, and teams automating repetitive workflows and improving developer experience. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 196,000+ 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/dag-replay-debugger
curl -L https://claudskills.com/skills/dag-replay-debugger/SKILL.md \
  -o ~/.claude/skills/dag-replay-debugger/SKILL.md

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

Skills live at ~/.claude/skills/dag-replay-debugger/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\dag-replay-debugger\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 Dag Replay Debugger Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/dag-replay-debugger/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Dag Replay Debugger skill do?
Time-travel debugging for DAG executions. Inspect agent state at any node, replay decisions with modified inputs, compare execution traces side-by-side, and identify where reasoning diverged. Inspired by LangGraph Studio's state-editing model and Temporal's event history. Activate on "debug DAG", "replay execution", "time travel debug", "inspect node state", "what went wrong at step", "compare runs", "execution diff". NOT for live monitoring (use dag-runtime + websocket-streaming), failure analysis (use dag-ops), or general code debugging.
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 Dag Replay Debugger skill?
Use Dag Replay Debugger when your Claude Code task falls under the Dev Tools category — specifically in the ide editor 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 Dag Replay Debugger" or describe the task and let Claude pick). Browse related skills at /category/tools/.
What is a Claude Code skill and how does the Dag Replay Debugger 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. Dag Replay Debugger is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Dev Tools 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
curiositech. (2026). Dag Replay Debugger [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/dag-replay-debugger/
BibTeX
@misc{dag-replay-debugger-2026,
  author    = {curiositech},
  title     = {Dag Replay Debugger [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/dag-replay-debugger/}
}

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Security scan

Grade A · scanned 2026-09-28 — free static scan against the OWASP Agentic Skills Top 10.

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