OMA Specification

Normative transport, resource, tool, event, and compatibility semantics for Open Managed Agents.

Normative Areas

HTTP transport, auth model, content types, and SSE semantics
Resource model for agents, environments, sessions, and session resources
Tool model: managed, MCP, and custom tools
Permission policy requirements: always_allow and always_ask
Required event envelopes, event ordering, and replay guarantees
Core and optional module requirements, archive/delete semantics, and error model
Anthropic compatibility profile aliases and behavior

Read the full normative draft in the repo mirror: