trajex

trajex is a skill for Claude Code from wutongyuonce/Trajex. It costs 159 tokens per session (4,765 once invoked), scanned A, original, AGPL-3.0.

A tool for searching past Claude Code, Codex, and Pi work sessions. It finds earlier conversations and solutions from session history.

In plain words
What is it for?
Finding how a bug was fixed before, locating a past session, recovering context for complex work, and checking earlier changes before editing a file.
Why use it?
It avoids repeating investigation when the same problem, file, or fix was discussed in an earlier session.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter.

Good fit Finding how a bug was fixed before, locating a past session, recovering context for complex work, and checking earlier changes before editing a file.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/wutongyuonce/trajex/trajex-skill
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add wutongyuonce/Trajex --skill trajex-skill
Clone the repo
git clone --depth 1 https://github.com/wutongyuonce/Trajex

Made for: Claude Code.

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 trajex

README.md
[![agentmods](https://agentmods.dev/badge/skills/wutongyuonce/trajex/trajex-skill/github.svg)](https://agentmods.dev/skills/wutongyuonce/trajex/trajex-skill)
Your own site
<a href="https://agentmods.dev/skills/wutongyuonce/trajex/trajex-skill"><img src="https://agentmods.dev/badge/skills/wutongyuonce/trajex/trajex-skill/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 trajex

Your own site · 80×15
<a href="https://agentmods.dev/skills/wutongyuonce/trajex/trajex-skill"><img src="https://agentmods.dev/badge/skills/wutongyuonce/trajex/trajex-skill.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 159 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 4,765 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin unknown No closer match found 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 $0.00159 $0.04765
Opus 5.5 $0.00064 $0.01906
Sonnet 5.5 $0.00032 $0.00953
Haiku 4.5 $0.00016 $0.00477

Measured 1mo ago against content hash 62e7bd527b21, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

trajex 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 1mo 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.

trajex-skill/SKILL.md · 384 lines

The source is not reproduced here

Licensed AGPL-3.0

The repository is licensed AGPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

Files

What ships with it

5 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. 1mo ago Changed · +4 tokens per session 62e7bd527b21
  2. 1mo ago First seen · 384 lines · 155 tokens per session scan A dd1489ef94e7

Subscribe to this mod's changes

trajex is a skill published in the GitHub repository wutongyuonce/Trajex (125 stars, last pushed yesterday), licensed AGPL-3.0. It adds 159 tokens to every session and 4,765 once invoked, about $0.0006 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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