give your AI agent a spreadsheet it can actually think in: deterministic Excel-compatible math + structured memory (blocks), real .xlsx out. Open source, self-hostable.

Peekaboo is a macOS CLI & optional MCP server that enables AI agents to capture screenshots of applications, or the entire system, with optional visual question answering through local or remote AI models.

A keyboard-first menubar app to monitor and jump between AI coding sessions — minimum setup required.

An interactive CLI for scaffolding ready-to-develop MCP servers and clients in TypeScript or JavaScript.

Self-hosted MCP gateway and control plane for connecting, controlling, and operating MCP servers.

Use your favorite coding agent with any model.

App for Codex / Claude Code / Pi / OpenCode / Kimi Code / Grok Build, vibe coding anytime, anywhere

Magg: The MCP Aggregator

Agent OS: keep specialist agents in a hub, spin up a temporary orchestrator per task. Local-first, works with any model.

The orchestration layer under your coding agent. Turns work into a typed graph, runs one model per node, and takes the verdict from outside the model — exit codes, write-set checks, and a cross-family verifier. MCP server, 50 tools, bring your own models.

Open-source sandboxed agent harness for teams. Giving every employee a secured personal agent.

LLM agents as your hyperparameter optimizer.

Create best skills based on best books

Code-quality skills by Max Kanat-Alexander.

Implementation of Podlite markup language

Agent skills for administering a real UniFi network over its local API: auth, zone firewall, Wi-Fi, clients, and the site map.

an open source, extensible AI agent that goes beyond code suggestions - install, execute, edit, and test with any LLM

Workflow orchestration for AI coding agent swarms, from task to merged PR.

Curated collection of agent skills for AI coding assistants.

Nimbalyst - The open-source visual workspace for Claude Code, Codex, and OpenCode. Run multiple coding agents in parallel, edit their work visually in markdown, mockups, and diagrams, and track tasks. Free, MIT-licensed desktop app for macOS, Windows, Linux, with mobile companion for iOS and Android.

MCP tool lists eat 71,929 tokens at 255 tools — more than half a 128K window before you ask anything. mcptoon reads the same tools back at 581 (-99.2%, measured). 128KB CLI, zero deps. Compute your own: activeing123.github.io/mcptoon/tools/token-tax

Open-source AI coworkers that each get a computer of their own: a browser, files and tools, with every action decided before it happens and recorded after. Bring any AG-UI agent.

Java test automation framework for web, mobile, API, CLI, database, and desktop E2E testing with a fluent API and built-in reporting.

A Whistle proxy management tool based on Model Context Protocol that allows AI assistants to directly control local Whistle proxy servers, simplifying network debugging, API testing, and proxy rule configuration through natural language interaction.