Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add stormzhang/token-tracker --skill tt_sidebargit clone --depth 1 https://github.com/stormzhang/token-trackerWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/stormzhang/token-tracker/tt_sidebar)<a href="https://agentmods.dev/skills/stormzhang/token-tracker/tt_sidebar"><img src="https://agentmods.dev/badge/skills/stormzhang/token-tracker/tt_sidebar/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/stormzhang/token-tracker/tt_sidebar"><img src="https://agentmods.dev/badge/skills/stormzhang/token-tracker/tt_sidebar.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00050 | $0.00388 |
| Opus 5.5 | $0.00020 | $0.00155 |
| Sonnet 5.5 | $0.00010 | $0.00078 |
| Haiku 4.5 | $0.00005 | $0.00039 |
Grade A, and why
tt-sidebar scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
TT Sidebar
Run the installed launcher exactly once:
__TT_SIDEBAR_COMMAND__
Choose execution permissions from the current terminal environment before running it:
- On iTerm2 (
ITERM_SESSION_IDset, with noTMUX_PANE), run the launcher outside the Codex sandbox by settingsandbox_permissionstorequire_escalated. Setjustificationto ask whether Token Tracker may control iTerm2 to create the sidebar pane. If reusable approval is supported, setprefix_ruleto the complete launcher argv above; never approve Python generally. Do not first try the iTerm2 launcher inside the sandbox: macOS may hide iTerm2's AppleScript dictionary and misreport error-2741. - On Ghostty (
TERM_PROGRAM=ghostty, macOS, Ghostty ≥ 1.3.0), apply the same escalated execution as iTerm2: the launcher drives Ghostty's AppleScriptsplitand the sandbox may hide Ghostty's scripting dictionary and misreport error-2741. - On tmux (
TMUX_PANEset), run the launcher with normal sandbox permissions.
Return the launcher's output directly. Do not run regular tt sidebar, inject a command into a transient shell, or open another sidebar in the current pane. If the launcher fails, report only its concise stage error.
The launcher must keep the source pane focused and open a right-side pane at one-third width. The split view is current-session-only and is intentionally independent from the regular all-session tt sidebar layout.
What ships with it
2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 1mo ago First seen · 25 lines · 50 tokens per session scan A 93df6aba0531
tt-sidebar is a skill published in the GitHub repository stormzhang/token-tracker (534 stars, last pushed 10d ago), licensed MIT. It adds 50 tokens to every session and 388 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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