A2a Protocol GitHub Repositories (2026) · Open Source Tools

PACT is an open protocol for personal agents to interact with businesses’ agents under explicit, verifiable user permissions.

Forge is the open-source runtime for Anthropic's Agent Skills standard — built for the agent that runs next to a service, in your environment, on infrastructure you already operate. Write a SKILL.md. Compile to a portable, hardened agent. Deploy it anywhere containers run: Kubernetes, on-prem, air-gapped, embedded in CI, or as an A2A endpoint.

A Go framework for building production agent systems with graph workflows, tools, memory, A2A, AG-UI, MCP, evaluation, and observability.

Golang SDK for A2A Protocol

Bitterbot - a mesh of agents that turns shared experience into collective capability.

Official Python SDK for the Agent2Agent (A2A) Protocol

🦥 One gateway for your AI agents, APIs and MCP servers.

Agent Mesh