AI Card: One Standard for Every AI Service
AI Card is a Linux Foundation draft for unified AI artifact metadata with built-in trust. A2A and MCP steering …
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Protocols
AuthZEN: Fine-Grained Authorization for Agents
AuthZEN standardizes the PEP/PDP interface for fine-grained authorization. Here’s how it closes the gap that OAuth …
Read articleDefine Once, Deploy Everywhere: Agent Definition Languages Compared
Multiple specifications aim to become the declarative standard for defining AI agents. We evaluate Oracle Agent Spec, …
Read articleAAuth: A New Authentication Standard Built for the Age of AI Agents
Dick Hardt, the creator of OAuth, has proposed AAuth—a protocol designed from scratch for agent-to-resource …
Read articleMCP Registry: How Agents Discover and Connect to Tools
MCP standardizes agent-to-tool connections. The MCP Registry standardizes discovery. What it provides, how namespace …
Read articleA2A Deep Dive: What the Agent-to-Agent Protocol Actually Does
Google’s A2A protocol enables collaboration between opaque AI agents. What it provides, how it compares to MCP, …
Read articleThe Protocol Landscape for Agentic Systems
MCP, A2A, OpenAPI, AsyncAPI—the protocol landscape for agentic systems is taking shape. Here’s what each provides, …
Read articleWhat Is MCP? A Practitioner's Guide to Model Context Protocol
Model Context Protocol (MCP) is the standard for agent-to-tool communication. What it actually provides, how the spec …
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