What is session-lens?
session-lens is a Claude Code mod by keisato848 that 右ペインにトークン内訳、下部に作業要約と次の一手、ターン完了時にステータス付きセッション名を自動付与（裏方の AI 呼び出しは Haiku 5.5 固定）. It is listed under Interface and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | keisato848 |
| Repository | keisato848/claude-mods |
| Popularity | no public popularity data yet |
| Category | Interface |
| Security | Low risk (80/100) |
| Rank | #3,684 of 5,272 Claude Code mods; #1,536 in Interface |
| License | MIT |
| Last commit | 2026-10-16 |
| Hooks | 6 events |
| Sees | classic hooks, every tool call |
| Draws on | Pane, AbovePrompt |
Is session-lens safe to install?
session-lens scores 80/100 on the MCPMods security check: Low risk. Things to review: writes files or config. It passed 5 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 files or config | Review |
| Doesn't read environment variables | Pass |
| Only sees the events it hooks | Pass |
| Drives Claude (model calls, prompts) | Note |
| Validator reported problems | Note |
| Has an open-source license | Pass |
API calls in its code
| Call | What it means |
|---|---|
$.clock.after | |
$.clock.now | |
$.command.list | |
$.command.register | |
$.command.run | drives Claude |
$.fs.write | writes files |
$.model.complete | drives Claude |
$.session.messages | reads the transcript |
$.session.root | |
$.session.turns | |
$.session.usage | |
$.state.get | |
$.state.set | |
$.tool.call | drives Claude |
$.tool.check | |
$.ui.log | draws interface |
$.ui.open | draws interface |
$.ui.resolve | draws interface |
$.ui.status | draws interface |
How do I install session-lens?
- 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/keisato848/claude-mods claude plugin validate ./claude-mods/mods/session-lens
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add keisato848/claude-mods && claude plugin install session-lens@keisato-mods
Or ask Claude to set it up
Paste this into Claude Code and it installs session-lens for you:
Install the "session-lens" Claude Code mod from https://github.com/keisato848/claude-mods/tree/claude/mods-ui-automation-config-a65io9/mods/session-lens. Run claude plugin validate on it first and show me what it can access before you enable it.