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.

Security scanner for AI agents, MCP servers and agent skills.

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

Use your favorite coding agent with any model.

Personal AI desktop agent for Windows, macOS, Linux, Android & iOS. Set a goal, it works on its own. Teams (pair two desktops, agents + humans), Agent2Agent, Workflows, Codework, multi-agent orgs, desktop + browser automation. 15+ AI providers, BYOK. No Docker, no terminal. Agent Skills (SKILL.md). Migration importer. Recurring autonomous tasks.

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

Magg: The MCP Aggregator

A curated collection of top-tier penetration testing tools and productivity utilities across multiple domains. Join us to explore, contribute, and enhance your hacking toolkit!

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