Customize Claude Code's system prompts, create custom toolsets, input pattern highlighters, themes/thinking verbs/spinners, customize input box & user message styling, support AGENTS.md, unlock private/unreleased features, and much more. Supports both native/npm installs on all platforms.

Intercept LLM API traffic and visualize token usage in a real-time terminal dashboard. Track costs, debug prompts, and monitor context window usage across your AI development sessions.

📐 Fast token estimation at 96% accuracy of a full tokenizer in a 2kB bundle

Deep analytics and session insights for your Claude Code usage

Scalable LLM cost enforcement middleware for Node.js with budget protection and multi-provider support

📊 CLI tool to track Claude Code usage, costs & token consumption. Analyze your AI coding assistant spending locally.

🧮 Count your tokens like beads on an abacus. AI context engineering toolkit — website, VS Code extension, prompts & agents.

tokdu (Token Disk Usage) is a terminal-based utility that helps you analyze and visualize token usage in your codebase. Similar to the classic du (disk usage) command, tokdu shows you how many tokens your files and directories consume, which is essential when working with Large Language Models (LLMs) that have token limits.

LLM observability for React Native and Expo. Track token usage, cost, latency, and TTFT for Claude, GPT, and Gemini calls on device, with optional remote sync.

PromptSync is a smart AI memory assistant that automatically adds your context to AI chats to save time and improve answers.

A Chrome extension that tracks your daily ChatGPT token usage with a live progress bar, model detection, and plan-aware limits.

An advanced, multi-sensor MV3 Chrome extension for real-time token tracking and state reconciliation on Google Gemini.

.md for AI, .html for humans — a single-file markdown folder viewer for context engineering workflows.

macOS menu bar widget that tracks Claude context window fill with research-calibrated context rot warnings. Every other tracker tells you when you'll hit your rate limit — this one tells you when Claude is getting dumber.

Tiktoken-counter as standalone API

El puente definitivo entre tu proyecto y los LLMs de alto contexto. CodeBlast empaqueta miles de archivos en un solo payload estructurado y limpio en segundos. Dile adiós a la ceguera de contexto de los agentes de IDE: extrae tu arquitectura completa, filtra binarios y potencia tu desarrollo con IA.

Model intelligence MCP server — syntax, parameters, pricing for 67+ generative AI models (Midjourney, Flux, Suno, Runway, DALL-E, Stable Diffusion). 7 tools for any MCP client.

OFFline TOken COunter (Offtoco) for GPT, Claude and Gemini — web, CLI and Windows desktop. Zero knowledge. Nothing leaves your device.

A lightweight PHP package for AI token cost management. Estimate costs before API calls, calculate actual costs from token usage, and track expenses across OpenAI, Claude, Gemini, and other popular AI models.

Inspect Claude Code / Codex CLI conversations locally. Token breakdown, per-turn costs, compaction timeline, framework-overhead audit. Python + tiktoken.