Specs

Agent Auth Protocol

The open-source standard and implementation for AI agent authentication, capability-based authorization, and service discovery.

Agent behavior

Standards for defining and evaluating agent behavior

Agent Client Protocol

Get started with the Agent Client Protocol.

Agent Host Protocol

Synchronized multi-client state for AI agent sessions

Agent Plugins

Agent Plugins Specification v1.0.0 — A minimal standard for packaging agent extensions into distributable plugins

Agent Skills

Specification and documentation for Agent Skills

Agent2Agent

Agent2Agent (A2A) is an open protocol enabling communication and interoperability between opaque agentic applications.

Design principles for agent ergonomics. Higher accuracy with lower token cost than both MCP and regular CLI.

Cursor Plugins

Cursor plugin specification and official plugins

Eraser Diagrams

Eraser Diagrams is an open-source diagramming system for creating clear, consistent, beautiful diagrams that you'd be proud to put in front of your customers, colleagues, or board.

llms.txt

The /llms.txt file, helping language models use your website

me.md

A personal sovereignty protocol for agentic work.

Model Context Protocol

Specification and documentation for the Model Context Protocol