Claude Code mod
session-meter
Records compactions, per-request cache use, subagent spawns, advisor calls and rate limits to a JSONL file per session, and shows context (relative to the autocompact threshold) and rate limits above the prompt, or in a file for your statusLine script with display=statusline.
Install
/plugin marketplace add s-0-a-r/session-meter
/plugin install session-meter@s0ar-modsMods install like plugins. Run /reload-plugins or start a new session to load it.
What it can access
- Reach
- L2Writes or runs: runs processes, writes files, reads files, reads env vars, reads settings, draws
- Sees
- subagent spawns, every tool call, compaction
- Draws in
AbovePrompt- Hooks
session.startturn.stepagent.spawntool.callsession.compactsession.measureturn.completesession.endcommand.runui.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
- s-0-a-r/session-meter
- Folder
.- Marketplace
s0ar-mods- Author
- s0ar
- Last updated
- 22 October 2026
- Listed in
- awesome-claude-code-mods
FAQ
What is session-meter?
Records compactions, per-request cache use, subagent spawns, advisor calls and rate limits to a JSONL file per session, and shows context (relative to the autocompact threshold) and rate limits above the prompt, or in a file for your statusLine script with display=statusline. It is a mod for Claude Code, from s-0-a-r/session-meter on GitHub.
What can the session-meter mod access?
Its widest reach is "writes or runs" (runs processes, writes files, reads files, reads env vars, reads settings, draws). It sees subagent spawns, every tool call, compaction. It draws in AbovePrompt. Like any mod, it runs with your permissions.
How do I install session-meter?
Inside Claude Code (v2.1.287 or later), run /plugin marketplace add s-0-a-r/session-meter and then /plugin install session-meter@s0ar-mods.
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