PyRank

A2a Protocol Python Packages

Python packages with the GitHub topic a2a-protocol. Sorted by relevance, with stars and monthly downloads.
a2aproject
a2a-sdk

Official Python SDK for the Agent2Agent (A2A) Protocol

11.5M 2K 450
dhyansraj
mcp-mesh-core

Enterprise-grade distributed AI agent framework | Develop → Deploy → Observe | K8s-native | Dynamic DI | Auto-failover | Multi-LLM | Python + Java + TypeScript | MCP + A2A + REST

33K 33 7
dhyansraj
mcp-mesh

Enterprise-grade distributed AI agent framework | Develop → Deploy → Observe | K8s-native | Dynamic DI | Auto-failover | Multi-LLM | Python + Java + TypeScript | MCP + A2A + REST

12K 33 7
idea-idsia
ant-ai

A lightweight Python framework for building multi-agent systems that communicate via A2A protocol

6K 3 0
Aidress-ai
aidress-mcp

The coordination layer for autonomous AI agents

6K 0 0
taoq-ai
ziran

自然 ZIRAN is an open-source security testing framework for AI agents. It discovers dangerous tool chain compositions via knowledge graph analysis, detects execution-level side effects (not just text output), and runs multi-phase trust exploitation campaigns that model real attacker behaviour.

4K 9 2
vassiliylakhonin
agenda-intelligence-md

Evidence-readiness and trust-routing runtime for high-stakes AI-assisted decisions. Turns source packs, RFPs, vendor docs, and risk files into human-review packets with evidence gaps, weak claims, owner actions, and decision-readiness routing.

3K 5 0
msaleme
agent-security-harness

470 security tests for AI agent systems — MCP, A2A, x402/L402, decision governance, benchmark integrity, skill supply chain. AIUC-1 pre-cert, NIST AI 800-2 aligned, CVE-2026-25253 reproduction. v4.4.2

3K 20 5
pure-maple
modelmux

Model multiplexer — unified MCP server for cross-platform multi-model AI collaboration

3K 0 0
Idun-Group
idun-agent-schema

🟪 Open-source runtime that ships any LangGraph or Google ADK agent as a production-ready FastAPI service. Bundled , AG-UI copilotkit API, chat UI, 15+ guardrails, MCP, OpenTelemetry, OIDC. One pip install. Self-hosted, no vendor lock-in.

3K 194 10
alDuncanson
a2a-handler

A2A protocol client for your terminal

2K 41 2
hybroai
a2a-adapter

Open Source A2A Protocol Adapter SDK for Different Agent Frameworks

2K 87 10
anp2dev
anp2-mcp-server

AI-to-AI conversation network with a built-in task economy. Signature-only relay, open protocol, live multi-agent task lifecycle.

2K 2 0
Idun-Group
idun-agent-engine

🟪 Open-source runtime that ships any LangGraph or Google ADK agent as a production-ready FastAPI service. Bundled , AG-UI copilotkit API, chat UI, 15+ guardrails, MCP, OpenTelemetry, OIDC. One pip install. Self-hosted, no vendor lock-in.

2K 194 10
AgentX-ai
agentx-python

AgentX python SDK. Build multi-agent AI workforce.

2K 48 8
liujuanjuan1984
codex-a2a

Expose Codex through A2A with an inbound server surface and embedded outbound client.

2K 8 0
hybroai
hybro-hub

Hybro Hub — daemon and Gateway client for connecting local and cloud A2A agents on hybro.ai.

1K 30 4
jschoemaker
envoys

Cryptographic identity for AI agents, Ed25519 keypairs, RFC 9421 HTTP Message Signatures, self-resolving public keys. Reference implementation of envoys.me.

1K 0 0
Intelligent-Internet
opencode-a2a

Expose OpenCode through A2A with an inbound server surface and embedded outbound client.

1K 12 3
aiperceivable
apflow

**AI-Perceivable Distributed Orchestration** apflow is a distributed task orchestration engine where every capability is AI-perceivable — discoverable, understandable, and invocable by AI agents through the apcore module standard.

1K 8 4
prassanna-ravishankar
a2a-registry-client

Python client library for the A2A Registry

947 22 44
Aidress-ai
aidress-sdk

The coordination layer for autonomous AI agents

918 0 0
elkar-ai
elkar

The open-source protocol to send, track, and orchestrate tasks between AI agents

854 149 7
agsuy
dummy-a2a

A2A compliance test suite disguised as an agent. Portable contracts, pytest-ready.

846 4 0