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.

MacOS menu-bar dashboard for Claude CLI token usage, estimated cost, and per-model / MCP / Skill breakdowns.

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

Deep analytics and session insights for your Claude Code usage

Local streaming reverse proxy between AI coding agents (Claude Code, Cursor, Codex) and model APIs (Anthropic, OpenAI, Gemini, MiniMax). Meters every token + USD cost, compacts bloated context to cut pay-per-token API spend, and runs shadow-eval to prove quality held. ccusage-style metering + live local dashboard.

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

Zero-config CLI for analyzing AI model usage & costs across all local TUI tools — pi, Claude Code, Codex, Gemini CLI, OpenCode, and more

Tokalator VS Code extension: real-time context budget, token counting, and per-model cost estimates for AI coding.

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

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.

Lightweight, dependency-free logging and analytics for LLM API calls — track tokens, cost, and latency to a plain JSONL file.

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

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.

Measure the context-window tax an MCP server charges your AI agent — the real token cost of its tool schemas + responses. Ground truth (Anthropic count_tokens) or keyless estimate. Cross-platform single-file CLI.

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

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

Per-prompt token & cost meter for Claude Code — status-bar meter, session dashboard with spend heatmap, automatic per-model pricing, daily budgets. Thai/English.

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.