ProtocolExperimentalA2AAGENT-PROTOCOL

aamp

Name: aamp
Rating: 3.0 (108 reviews)
Author: larksuite

by larksuite

Mailbox-native A2A protocol and TypeScript SDKs for asynchronous agent collaboration

TypeScript

Updated Jul 24, 2026

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Overview

Enable asynchronous agent-to-agent collaboration using mailbox-native channels. Implements a mailbox-first A2A protocol and TypeScript SDKs that serialize agent messages over SMTP/JMAP, treating mailboxes as durable message queues. Distinctive support for preserving conversation context, delivery guarantees, and workflow handoffs across offline agents. The system supports an extensible mailbox-first A2A protocol to improve interoperability across deployments.

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Key Benefits

As agents operate across organizational boundaries, durable asynchronous channels are required to assess and audit interactions. Mailbox-native A2A makes agent communications observable and persistent, which helps build agent track records and trust signals over time. Until now most A2A work assumed instant RPC; using email-like mailboxes exposes real-world delivery, failure modes, and provenance useful for A2A evaluation and reputation systems.

Ideal For

Teams that need durable, auditable agent-to-agent messaging over standard mail infrastructure for asynchronous workflows and trust tracing. This aligns with patterns like Market-Based Coordination to coordinate multi-agent workflows across domains.

Use Cases

Preserve and audit agent interactions across offline or intermittent agents using mailboxes as durable queues
Trace agent handoffs and build agent track records for reputation and A2A evaluation
Integrate legacy mail infrastructure (SMTP/JMAP) as a transport for multi-agent workflows and failure-mode analysis