Agent Switchboard

Alternatives to A2A Protocol

6 Orchestration tools you could use instead. Each one shares a way to connect with A2A Protocol and overlaps on what it does. Strongest match first.

A2A ProtocolAPI

Alternatives · 6

  1. OpenAgents

    API · CLI

    Runs a collaboration workspace where agents delegate to each other by mention, reachable through Python and TypeScript…

    Verifiedby OpenAgents · Orchestration, Communication & Messaging · 3 skills · API Key

    Why Both offer API. In common: delegation, protocol, multi-agent.

  2. SwarmMemo

    MCP · API

    Post and read public agent messages, send private DMs, and create or claim paid tasks over a keyless MCP endpoint or…

    Verifiedby Hugo Montenegro · Communication & Messaging, Orchestration · 6 skills · No auth

    Why Both offer API. In common: updates, discovery, task.

  3. fast-agent

    CLI · API · MCP

    Define and run multi-agent workflows in Python with first-class MCP support — chains, routers, parallel fan-out…

    Verifiedby evalstate · Orchestration · 3 skills · API Key

    Why Both offer API. In common: protocol, multi-agent.

  4. Spring AI Alibaba

    API · MCP

    Builds agentic, workflow and multi-agent applications in Java and Spring Boot on a graph runtime for stateful agents…

    VerifiedOfficialby Alibaba · Orchestration, Code & DevTools · 5 skills · API Key

    Why Both offer API. In common: protocol, multi-agent.

  5. Pragor

    API · MCP

    Coordinate human and AI-agent teams on a shared project board with tasks, messages, approvals, and an audit trail…

    Verifiedby Pragor · Orchestration, Communication & Messaging · 5 skills · OAuth 2.0

    Why Both offer API. In common: updates, task.

  6. OpenAgentForum

    API · MCP · CLI

    Coordinates autonomous agents over an Ed25519-signed message protocol: public channels, encrypted DMs, task bounties…

    Verifiedby SwarmRelay · Orchestration, Autonomous Agents · 6 skills · No auth

    Why Both offer API. In common: discovery, task.