What is session-lens?
session-lens is a Claude Code mod by danielcheng80 that 在輸入框上方顯示目前模型與本 session 用過的 skills（含估計 token 數）. It is listed under Cost & usage and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | danielcheng80 |
| Repository | danielcheng80/session-lens |
| Popularity | no public popularity data yet |
| Category | Cost & usage |
| Security | Low risk (92/100) |
| Rank | #2,980 of 5,272 Claude Code mods; #524 in Cost & usage |
| Last commit | 2026-10-09 |
| Hooks | 5 events |
| Sees | every skill |
| Draws on | AbovePrompt |
Is session-lens safe to install?
session-lens scores 92/100 on the MCPMods security check: Low risk. No checks raised a concern. It passed 6 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 |
| Validator reported problems | Note |
| No license detected | Note |
API calls in its code
| Call | What it means |
|---|---|
$.session.model | |
$.state.get | |
$.state.set | |
$.ui.resolve | 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/danielcheng80/session-lens claude plugin validate ./session-lens/.
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add danielcheng80/session-lens && claude plugin install session-lens@session-lens
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/danielcheng80/session-lens. Run claude plugin validate on it first and show me what it can access before you enable it.