thought-tracks-past-session

Q: What is a Claude Code skill and how does the thought-tracks-past-session 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. thought-tracks-past-session is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Content category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: Content · Sub-category: content-misc · Last updated: 2026-06-04

Backfill the thought-tracks store with a model of a PAST session. Reads a specific saved transcript (.jsonl) you point it at, seats it at its real dates, and writes an Output A model (mental model patterns, a synthesis, and predictions) into the same model store the live skill uses. Use this whenever the user wants to "backfill", "model an old or past session", "run thought tracks on a previous session", "seat my history", or "fill in the timeline" with sessions that already happened. It models a transcript on disk, NOT the current conversation, and it writes no diff. Like the main skill, it takes no interview input, the transcript is the only data.

From the source SKILL.md

This is the backfill companion to thought-tracks. The live skill models the session you are in right now. This one models a session that already happened: you point it at a saved transcript, and it seats that session in the store at its real dates, so the reasoning trajectory is built from when sessions actually happened rather than from the day the user started keeping models.

What this skill does

thought-tracks-past-session is a community-contributed Claude Code skill in the content-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/past-session/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The thought-tracks-past-session Claude Code skill is built for content creators, marketers, copywriters, SEO professionals, and editorial teams. 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/past-session
curl -L https://claudskills.com/skills/past-session/SKILL.md \
  -o ~/.claude/skills/past-session/SKILL.md

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

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

📱 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 thought-tracks-past-session Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/past-session/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the thought-tracks-past-session skill do?

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 thought-tracks-past-session skill?

Use thought-tracks-past-session when your Claude Code task falls under the Content category — specifically in the content 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 thought-tracks-past-session" or describe the task and let Claude pick). Browse related skills at /category/content/.

What is a Claude Code skill and how does the thought-tracks-past-session 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. thought-tracks-past-session is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Content category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Source: https://github.com/aassoiants/thought-tracks/blob/HEAD/past-session/SKILL.md
License: MIT
Author: aassoiants

Cite this skill

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

APA

aassoiants. (2026). thought-tracks-past-session [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/past-session/

BibTeX

@misc{past-session-2026,
  author    = {aassoiants},
  title     = {thought-tracks-past-session [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/past-session/}
}

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