Claude Code mod
cc-traj-seg
Trajectory segmentation for long Claude Code sessions: every N steps a model of your choice (haiku by default) reads the previous segments and the last 40 steps and either adds a segment of what Claude is doing now and the path it is on, amends the current one, or stays quiet. Cards in a pane on the right, each with an X. Needs Claude Code 2.1.289 or later.
Install
/plugin marketplace add lucastononro/cc-traj-seg
/plugin install cc-traj-seg@cc-traj-segMods install like plugins. Run /reload-plugins or start a new session to load it.
What it can access
- Reach
- L2Writes or runs: writes files, drives Claude, reads files, reads env vars, reads the transcript, persists state, draws
- Sees
- every tool call
- Draws in
Pane- Hooks
session.startcommand.runui.closeui.messagetool.callturn.completeui.render
From a static scan of the mod's code by awesome-claude-code-mods. It shows what the code asks for, not a security review.
How Claude Code mods work
- A mod is a plugin with a JavaScript or TypeScript module that runs inside Claude Code (version 2.1.287 or later). It can draw panes beside the transcript, a band above the prompt, buttons and toasts, restyle the spinner and tool rows, and watch or rewrite tool calls and prompts.
- It installs like any plugin: add its marketplace with /plugin marketplace add owner/repo, then /plugin install name@marketplace.
- Check what a mod can reach before installing: it runs with your permissions. Reach goes from drawing only, to reading files, to writing files or running processes, to the network. Run claude plugin validate on a clone to list its hooks and calls without running it.
- Turn one off from the Installed tab in /plugin, or start Claude Code with --safe-mode to skip every customization for a session.
Details
- Repository
- lucastononro/cc-traj-seg
- Folder
.- Marketplace
cc-traj-seg- Author
- Lucas Tonon
- License
- MIT
- Last updated
- 6 October 2026
- Listed in
- awesome-claude-code-mods
FAQ
What is cc-traj-seg?
Trajectory segmentation for long Claude Code sessions: every N steps a model of your choice (haiku by default) reads the previous segments and the last 40 steps and either adds a segment of what Claude is doing now and the path it is on, amends the current one, or stays quiet. Cards in a pane on the right, each with an X. Needs Claude Code 2.1.289 or later. It is a mod for Claude Code, from lucastononro/cc-traj-seg on GitHub.
What can the cc-traj-seg mod access?
Its widest reach is "writes or runs" (writes files, drives Claude, reads files, reads env vars, reads the transcript, persists state, draws). It sees every tool call. It draws in Pane. Like any mod, it runs with your permissions.
How do I install cc-traj-seg?
Inside Claude Code (v2.1.287 or later), run /plugin marketplace add lucastononro/cc-traj-seg and then /plugin install cc-traj-seg@cc-traj-seg.
Is cc-traj-seg popular?
lucastononro/cc-traj-seg has 1 GitHub stars and 0 forks, and is included in 1 curated Claude Code list. It was last updated on 6 October 2026.
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