Claude Code Building Apps & Tools (38)

A developer used Claude Code to build a harness replaying a time-tracking app across 40 timezones and DST boundaries, requiring a failing test before each fix, and fixed 19 bugs.

Using the ccdeck dashboard to see which of many Claude Code sessions is blocked waiting for your answer.

A single bash script that shows git, PR/pipeline state, model, context and rate limits in a status line under the Claude Code prompt.

Why the author built a macOS notch app to see which of several coding agents is waiting for input.

How the author had Claude Code write and validate a mod that shows the context window without typing /context.

Two open-source plugins that make Claude Code less verbose and improve its status bar without hurting quality.

Attic, a tool that lets Claude Code and Codex save and recall what they learned in earlier sessions.

Supafork, a place to store, share and fork agent sessions across Claude Code, Codex and other harnesses.

claude-quest, an in-terminal RPG that teaches the Claude Code CLI through real sandboxed missions.

Clinch, a local-first Warp fork for managing many Claude Code and Codex sessions.

A local dashboard for reading the session data Claude Code and Codex write to disk.

TokenMaxxer, a CLI and dashboard that tracks token use across Claude Code, Codex and Cursor from their local logs.

Agent-Manager, a tmux TUI for running Claude Code, Codex and OpenCode sessions side by side.

Ski, a free on-device voice coding app that sends transcribed instructions to Claude Code and other agents.

Bento, a single-file HTML slide deck format built so decks made with Claude Code can be edited without code.

A Claude Code plugin that plays a sound clip whenever Claude is waiting for you.

session-indexer, a tool that gives Claude Code searchable memory of past sessions across projects.

Contextify, which indexes all Claude Code and Codex sessions locally so either tool can search past work.

An open-source router that sends each Claude Code, Codex or Cursor request to the best-suited model.

How to build a custom status line for Claude Code.

Recall, a tool that gives Claude Code local project memory.

Pagecast, a CLI that publishes Markdown/HTML reports from Claude Code to a permanent share link.

Relaymux, a tmux-based meta-harness for orchestrating local coding agents.

A video generation pipeline Claude Code built from a single prompt.

A local reverse proxy that shows every prompt, token and cost Claude Code sends to Anthropic.

tldr, a tiny open-source plugin that keeps Claude Code replies under five lines while enabled.

Glutamate, a tool the author built so Claude Code stops forgetting context between sessions.

AISlop, a CLI that flags AI-generated code smells after Claude Code or Codex sessions.

Rockpack 8.0, a React scaffolder designed to give Claude Code and Cursor a consistent starting structure.

Semble, an open-source code search tool for agents that uses far fewer tokens than grep.

Remind, which schedules Claude Code prompts on a Mac through the Reminders app.

CCL, a tool that scaffolds a Claude Code project setup instead of starting from a blank directory.

Claude Code Manager, a tool for managing all global and project Claude Code configuration files.

skill-tree, a tool that classifies your Claude Code sessions against Anthropic's AI Fluency Index.

agentcall.dev, which lets an existing Claude Code session join Google Meet or Teams calls.

A CLI and HTML report that audits your ~/.claude agents, skills, commands and CLAUDE.md files for issues.

A plugin that lets Claude Code delegate long-context work to Gemini CLI.

A tool that measures whether you are actually getting better at using Claude Code.