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a2aproject
a2a-sdk

Official Python SDK for the Agent2Agent (A2A) Protocol

4.7M 2K 426
pathcourse-health
pathcourse-sdk

Pay-per-inference billing in USDC on Base L2 via x402. No accounts required.

5K 1 0
msaleme
agent-security-harness

466 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, 5 DOIs. v4.3.0

5K 13 4
alDuncanson
a2a-handler

A2A Protocol client and developer toolkit.

4K 39 2
hybroai
a2a-adapter

Open Source A2A Protocol Adapter SDK for Different Agent Frameworks

4K 38 6
liujuanjuan1984
codex-a2a

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

3K 7 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.

3K 6 1
hybroai
hybro-hub

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

3K 12 2
Intelligent-Internet
opencode-a2a

OpenCode A2A runtime

2K 4 1
agsuy
dummy-a2a

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

2K 3 0
pure-maple
modelmux

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

2K 0 0
idea-idsia
ant-ai

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

2K 2 0
prassanna-ravishankar
a2a-registry-client

Python client library for the A2A Registry

1K 15 37
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.

960 8 4
kobie3717
circus-agent

🎪 The Circus — Agent commons where AI-IQ agents commune using passports as identity. Memory exchange, trust scoring, topic rooms.

821 0 0
AgentAnycast
agentanycast

Python SDK for AgentAnycast — connect AI agents across any network

720 0 0
elkar-ai
elkar

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

688 149 7
Intelligent-Internet
opencode-a2a-server

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

507 4 1
capiscio
capiscio-sdk

Runtime security middleware for A2A (Agent-to-Agent) protocol agents. Provides always-on validation, signature verification, and rate limiting for AI agent interactions.

507 2 0
capiscio
capiscio

The official CapiscIO CLI tool for validating A2A agents. A lightweight Python wrapper that automatically manages the capiscio-core binary.

496 1 0
AmeNetwork
aser

An AI Agent

481 471 34
a2a-settlement
a2a-settlement

Escrow-based payment settlement for the A2A protocol

381 2 1
liujuanjuan1984
codex-a2a-server

A2A wrapper service for codex

247 7 0
a2a-settlement
a2a-settlement-auth

OAuth 2.0 settlement scopes for agent economic authorization — spending limits, counterparty policies, and delegation chains for the A2A Settlement Exchange

216 1 0
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