What is quota-tracker?

A quota monitor for Claude Code that reads Anthropic's usage limits and records how much of each time window has been used, when it resets, and whether requests are allowed.

Checking five-hour and seven-day usage, reset times, and current quota status before or during Claude Code tasks.

It removes the need to guess how much usage remains or whether a long task may hit a limit. It works with both subscriptions and API keys.

quota-tracker — Skill for Claude Code and Codex by sonichi

Install

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.

Any agent

npx skills add sonichi/sutando --skill quota-tracker

Clone the repo

git clone --depth 1 https://github.com/sonichi/sutando

Made for: Claude Code, Codex.

Wrote 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.

README.md

[![agentmods](https://agentmods.dev/badge/skills/sonichi/sutando/quota-tracker.svg)](https://agentmods.dev/skills/sonichi/sutando/quota-tracker)

Your own site

<a href="https://agentmods.dev/skills/sonichi/sutando/quota-tracker"><img src="https://agentmods.dev/badge/skills/sonichi/sutando/quota-tracker.svg" alt="Measured on agentmods" height="20"></a>

Per session 43 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 688 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.

Origin original No closer match found in the catalogue.

Token cost

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	$0.00043	$0.00688
Opus 5	$0.00022	$0.00344
Sonnet 5	$0.00009	$0.00138
Haiku 4.5	$0.00004	$0.00069

Measured 3d ago against content hash 8978210e8148, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

quota-tracker 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 3d ago.

The scan reads SKILL.md. This mod also ships 3 executable files (scripts/credential-proxy.ts, scripts/quota_availability.py, scripts/read-quota.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

skills/quota-tracker/SKILL.md · 72 lines

How it starts

The opening of the file, as written. The whole thing — 72 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Quota Tracker

Monitor your Claude Code quota in real time by intercepting Anthropic API rate limit headers.

When to Use

"How much quota do I have left?"
"Am I close to the rate limit?"
"When does my quota reset?"
Before starting expensive tasks

How It Works

A credential proxy sits between Claude Code and the Anthropic API. It reads anthropic-ratelimit-unified-* headers from every API response and writes quota state to a JSON file.

Quick Check

# Read current quota state
cat quota-state.json

Output includes:

anthropic-ratelimit-unified-5h-utilization — % of 5-hour window used
anthropic-ratelimit-unified-7d-utilization — % of 7-day window used
anthropic-ratelimit-unified-5h-reset — when the 5h window resets (epoch)
anthropic-ratelimit-unified-7d-reset — when the 7d window resets (epoch)
anthropic-ratelimit-unified-status — "allowed" or "rejected"

recent_rejections is a bounded ledger (newest 20) of upstream responses the proxy forwarded with a 4xx/5xx other than 401 — {ts, status, path, snippet, model, user_agent, peer_port} — the proxy serves every seat on the host, so the client fields are what make a rejection attributable; the probe counts only entries for this core's own model (SUTANDO_CORE_MODEL or core-runtime.json) and counts every client when that is unknown. It survives the per-response header rewrite, and health-check.py's core-request-rejections probe warns on one inside 15 minutes and fails on five inside an hour, so a credits/overage rejection that leaves every unified-status header allowed still reaches the owner.

Setup

1. Start the credential proxy

npx tsx "$SKILL_DIR/scripts/credential-proxy.ts"

This starts on port 7846 and reads OAuth credentials from macOS keychain.

2. Route Claude Code through the proxy

ANTHROPIC_BASE_URL=http://localhost:7846 claude ...

Or add to your voice agent's launchd plist:

<key>ANTHROPIC_BASE_URL</key>
<string>http://localhost:7846</string>

Read the full file on GitHub · 72 lines

Files

What ships with it

5 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.

Changes

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.

3d ago Changed · +2 lines 8978210e8148
7d ago First seen · 70 lines · 43 tokens per session scan A faf16d90c415

Subscribe to this mod's changes

quota-tracker is a skill published in the GitHub repository sonichi/sutando (392 stars, last pushed today), licensed MIT. It adds 43 tokens to every session and 688 once invoked, about $0.0002 per session on Opus 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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