What is agent-tree?
agent-tree is a Claude Code mod by TheClaessens that live graph of this session's agent, its subagents and theirs: model, context, tokens, status and assignment. It is listed under Cost & usage and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | TheClaessens |
| Repository | TheClaessens/thomas-claude-mods |
| Popularity | no public popularity data yet |
| Category | Cost & usage |
| Security | Low risk (96/100) |
| Rank | #4,807 of 5,272 Claude Code mods; #953 in Cost & usage |
| Last commit | 2026-10-07 |
| Hooks | 10 events |
| Sees | classic hooks, every tool call, subagent spawns |
| Draws on | ToolUse, Pane, AbovePrompt |
Is agent-tree safe to install?
agent-tree scores 96/100 on the MCPMods security check: Low risk. No checks raised a concern. It passed 7 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 no processes | Pass |
| Writes no files or config | Pass |
| Doesn't read environment variables | Pass |
| Only sees the events it hooks | Pass |
| Doesn't drive Claude | Pass |
| Passes claude plugin validate | Pass |
| No license detected | Note |
API calls in its code
| Call | What it means |
|---|---|
$.clock.every | |
$.clock.now | |
$.command.register | |
$.session.model | |
$.session.usage | |
$.state.get | |
$.state.set | |
$.ui.close | draws interface |
$.ui.open | draws interface |
$.ui.panes | draws interface |
$.ui.resolve | draws interface |
$.ui.status | draws interface |
$.ui.toast | draws interface |
How do I install agent-tree?
- 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/TheClaessens/thomas-claude-mods claude plugin validate ./thomas-claude-mods/agent-tree
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add TheClaessens/thomas-claude-mods && claude plugin install agent-tree@thomas-claude-mods
Or ask Claude to set it up
Paste this into Claude Code and it installs agent-tree for you:
Install the "agent-tree" Claude Code mod from https://github.com/TheClaessens/thomas-claude-mods/tree/main/agent-tree. Run claude plugin validate on it first and show me what it can access before you enable it.