What is trail?
trail is a Claude Code mod by thats2easyyy that a side pane that tells you what happened in a long conversation: what was done in a few words, what is waiting on you with the command or link to act on it, what Claude made, and what you. It is listed under Cost & usage and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | thats2easyyy |
| Repository | thats2easyyy/claude-trail |
| Popularity | no public popularity data yet |
| Category | Cost & usage |
| Security | Review before installing (60/100) |
| Rank | #4,799 of 5,272 Claude Code mods; #950 in Cost & usage |
| License | MIT |
| Last commit | 2026-10-14 |
| Hooks | 9 events |
| Sees | /"^mcp__trail__ask$"/ calls, classic hooks, every tool call |
| Draws on | ToolGroup, Pane |
Is trail safe to install?
trail scores 60/100 on the MCPMods security check: Review before installing. Things to review: starts processes outside the sandbox; writes files or config; reads environment variables. It passed 4 of 8 checks.
Mod footprints come from claude plugin validate, which lists every event a mod hooks and every API call it makes without running it.
| Check | Result |
|---|---|
| No network access | Pass |
| Starts processes outside the sandbox | Review |
| Writes files or config | Review |
| Reads environment variables | Review |
| Only sees the events it hooks | Pass |
| Drives Claude (model calls, prompts) | Note |
| Passes claude plugin validate | Pass |
| Has an open-source license | Pass |
API calls in its code
| Call | What it means |
|---|---|
$.clock.after | |
$.clock.now | |
$.command.register | |
$.env.get | reads env vars |
$.fs.exists | reads files |
$.fs.list | reads files |
$.fs.read | reads files |
$.fs.stat | reads files |
$.fs.write | writes files |
$.model.complete | drives Claude |
$.process.run | runs processes |
$.prompt.submit | drives Claude |
$.session.cwd | |
$.session.id | |
$.session.model | |
$.session.repo | |
$.session.surfaces | |
$.settings.read | reads settings |
$.state.get | |
$.state.set | |
$.store.get | keeps its own state |
$.store.set | keeps its own state |
$.tool.register | drives Claude |
$.ui.close | draws interface |
$.ui.copy | draws interface |
$.ui.log | draws interface |
$.ui.open | draws interface |
$.ui.panes | draws interface |
$.ui.resolve | draws interface |
$.ui.scroll | draws interface |
$.ui.toast | draws interface |
How do I install trail?
- Check your Claude Code version. Mods need Claude Code 2.1.287 or later and are on by default.
claude --version
- Read its footprint. This lists every event it hooks and every API call it makes, without running it.
git clone https://github.com/thats2easyyy/claude-trail claude plugin validate ./claude-trail/.
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add thats2easyyy/claude-trail && claude plugin install trail@claude-trail
Or ask Claude to set it up
Paste this into Claude Code and it installs trail for you:
Install the "trail" Claude Code mod from https://github.com/thats2easyyy/claude-trail. Run claude plugin validate on it first and show me what it can access before you enable it.