# Agntcy – Open Infrastructure for the Internet of Agents > Source: > Published: 2026-07-16 16:37:55+00:00 # AGNTCY Documentation Open infrastructure for the Internet of Agents. AGNTCY is an open source collective building the software components and services that let agents discover each other, verify capabilities, communicate securely, and collaborate across frameworks and organizational boundaries. ## Explore the Documentation - **Agent Directory Service** Federated registry for publishing, verifying, and discovering agents and multi-agent applications. - **Secure Low-Latency Interactive Messaging (SLIM)** Secure network-level messaging for multi-agent applications with pub/sub, streaming, and MLS encryption. - **Open Agent Schema Framework (OASF)** Extensible data model for describing agent attributes, skills, and capabilities across A2A, MCP, and more. - **Identity** Decentralized identity for agents and tools—identifiers, verifiable credentials, and policy-based access. - **Observability and Evaluation** Telemetry collectors, tools, and services for multi-agent observability and performance evaluation. - **CSIT** Continuous system integration testing for AGNTCY components and multi-agent workflows. - **CoffeeAGNTCY** Reference implementation demonstrating how to build multi-agent applications with AGNTCY components. - **Glossary** Definitions for terms used across AGNTCY documentation. - **How to Contribute** Guidelines for contributing documentation, code, and community improvements.