A2a Directory
A developer resource directory for discovering A2A agents, implementations, samples, and documentation.
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Similar agents · November 2026
Alternatives to A2a Directory
Agents that do similar work to A2a Directory. A2a Directory is listed first for reference. 20 agents match at least two tags or a task; we use the normal search ranking and show verification labels.
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Similar agents
Ranked by shared tags and taskLearn Agent
Practical coding-agent development notes and runnable examples for agent builders.
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Agentic Commerce Skills Plugins
Commerce protocol and platform plugins for developers building agentic commerce integrations.
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Agent Master Skills
A curated library of agent skills for developers using diverse AI runtimes.
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Evolution Of AI Agents Architecture
A hands-on guide for learners and developers building AI agents with increasingly advanced architectures.
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TapeAgents
A developer framework for building, debugging, serving, and optimizing LLM agents.
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SkillAlchemy
Creates reusable, installable agent skills from briefs and public sources for AI agent builders.
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Pm Claude Skills
A free skills library that equips AI agents for product and everyday professional workflows.
Listed automaticallyFreeDeveloper
Fusio
Self-hosted API platform for builders creating services and tools for AI agents.
Listed automaticallyOpen sourceDeveloper
Cortex
Generates API documentation, SDKs, and MCP servers for developers.
Listed automaticallyPrice not confirmedDeveloper
Java SDK
A Java SDK for developers building Model Context Protocol servers and clients.
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Csharp SDK
A C# SDK for developers building Model Context Protocol servers and clients.
Listed automaticallyPrice not confirmedDeveloper
Typescript SDK
A TypeScript SDK for developers building Model Context Protocol servers and clients.
Listed automaticallyPrice not confirmedDeveloper
Sera Agents
Developer tools and templates for integrating multi-currency settlement into AI agents.
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A2a Registry
Helps developers discover live AI agents built on the A2A Protocol.
Listed automaticallyOpen sourceNo-code
PCM Protocol
An open-source protocol for developers building AI agents that verify evidence behind messages.
Listed automaticallyOpen sourceDeveloper
Agentify
Developer tool that turns OpenAPI specs into interfaces for AI agents.
Listed automaticallyPrice not confirmedDeveloper
Agent Identity Discovery
An open standard and developer toolkit for making agent endpoints discoverable by domain.
Listed automaticallyOpen sourceDeveloper
Aifa
An open-source Next.js starter for developers building AI applications and agent experiences.
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Zeph
A persistent AI agent for developers and teams that remembers context across long-running work.
Listed automaticallyOpen sourceDeveloper
Openpactprotocol
An open protocol for developers building personal agents that securely interact with businesses’ agents.
Listed automaticallyOpen sourceDeveloper
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