Claude Code for the Power User

Cognitive memory database for AI agents — consolidates duplicates, detects contradictions, fades stale memories via temporal decay. Rust, AGPL, ships as library / MCP server / HTTP cluster.

Call MCPs via TypeScript, masquerading as simple TypeScript API. Or package them as cli.

An open-source build system that compiles your specs and architecture into working code.

"OpenHarness: Open Agent Harness with a Built-in Personal Agent--Ohmo!"

Free, local tool to track AI coding token usage and cost across 31 tools and agents (Claude Code, Cursor, Codex, Gemini and more), by model, project, and task. npx codeburn

An agentic skills framework & software development methodology that works.

Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 20% fewer tokens for coding agents, 60-95% fewer tokens for JSON, same answers. Library, proxy, MCP server.

All parts of Claude Code's system prompt, 27 builtin tool descriptions, sub agent prompts (Plan/Explore/Task), utility prompts (CLAUDE.md, compact, statusline, magic docs, WebFetch, Bash cmd, secur…

Turn remote MCP servers into local command workflows.

Experimental thread-like processes, multiple executables in one address space

Property-based testing for web and terminal UIs

Enforce CLAUDE.md and skills

A Claude Code skill for generating UI in the Nothing design language. Monochrome, typographic, industrial.

Auto generated skeleton loading framework

100% private on-device voice models for speech-to-text and meeting transcription on macOS

Fast, accurate & comprehensive text measurement & layout

Convert AI coding agent sessions (Claude Code, Cursor, Codex, Gemini, OpenCode, Kimi Code) into self-contained, embeddable HTML replays

Manage stacked Git branches

Split a repository to read-only standalone repositories

A relative time formatting library, with no code.

Run Claude Code on OpenAI models

Task management that lives in your repo

Emdash is the Open-Source Agentic Development Environment (🧡 YC W26). Run multiple coding agents in parallel. Use any provider.

Run terminal apps anywhere

Per-project Postgres instances with instant snapshot & restore to support yolo development methods

Rethinking Vim as a tool for writing

A 5-20x faster experimental Homebrew alternative

A TypeScript to Rust type converter for bidirectional JSON serialization. This tool generates Rust type definitions from TypeScript types, enabling seamless data interchange between TypeScript and …