Practical, portable skills for agentic coding workflows — clearer diagrams, checked claims, safer GitHub releases, natural EN↔KO writing.

Built from the ground-up for agents, Vessel Browser is an open source AI browser for Linux/Mac/Windows that provides a durable state, MCP control, and BYOK with full autonomous browsing. Use with Hermes Agent, OpenClaw, or connect to your favorite API provider.

CTX - Context Runtime Engine for Coding Agents

Desktop kanban board for orchestrating agentic workflows

Cognee is the open-source AI memory platform for agents. Give your AI agents persistent long-term memory across sessions with a self-hosted knowledge graph engine.

A Go agent harness and service framework

Collaborator is a place to create with agents.

ACI.dev is the open source tool-calling platform that hooks up 600+ tools into any agentic IDE or custom AI agent through direct function calling or a unified MCP server. The birthplace of VibeOps.

📚 Two books on harness engineering — the design philosophies behind Claude Code & Codex: constraints, query loops, context governance, multi-agent verification. harness-books.agentway.dev

Skills for agents.

Agentic Development Environment

Wondel.ai Agent Skills — Business, Marketing, UX & Coding Frameworks from Bestselling Books. 50 skills + 12 guided journeys for Claude Code, Codex, Cursor & other agentskills.io agents.

A meta-skill that designs domain-specific agent teams, defines specialized agents, and generates the skills they use.

Compiles AI agent traces and truns them into reusable context.

TalkToFigma: MCP integration between AI Agent (Cursor, Claude Code, Codex) and Figma, allowing Agentic AI to communicate with Figma for reading designs and modifying them programmatically.

Persistent, provider-neutral memory for Codex, Claude Code, OpenCode, Pi, and MCP coding agents.

🔨 Kyoko is the all-in-one, fully local tool for debugging and improving your AI agents.

Scan any agent skill — authored or compiled — for prompt injection, secrets, and malicious execution before it touches your agent. Or compile the long tail on the fly.

Observability and enforcement for AI agent harnesses. Capture every run and runtime reliability with policy enforcement. 40 built-in policies, a local dashboard, no account required with a generous free cloud plan

OpenGUI is an Android GUI agent framework for phone-use AI that can see, plan, and operate real mobile apps through the GUI.

Agent token and task monitoring, thousands of pet avatars, cross-platform support, and compatibility with popular AI agents. 一眼查看 Token 与任务状态，海量 Petdex 形象可选，支持 Windows/macOS/Linux、ESP/Wio Terminal，兼容 Cursor、Codex、Claude、Windsurf 等主流 Agent。

Open-source coding agents memory. Records issues, attempts, fixes and decisions, then warns your agent before it repeats an approach that already failed. Native MCP server for Claude Code, Cursor, Antigravity and Codex. 100% local, no cloud, no telemetry. MIT.

Orchestrating Mathematical Reasoning Agents with Fact-Graph Memory

Design engineering system for AI coding agents — ship UI with craft-level quality. Install as an agent skill.