nowfound

Dev tools · April 14, 2025

A2A Directory

Comprehensive directory of A2A

A2A Directory launched on April 14, 2025 with 15 votes, #1,637 of 7,818 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 1 year on.

What it does

A2A Directory collects resources for Google's Agent2Agent protocol, helping developers implement AI agent communication. Includes docs, code examples, guides and best practices. Stars and contributions welcome to grow this community resource!

Agent2Agent (A2A) – AgentCards, Servers, Clients, Docs - sing1ee/a2a-directory

Does a similar job

all alternatives →
  • A2A Agent List2025 · a2aagentlist.com · ▲9

    Explore & Share A2A-Compatible AI Agents Easily

  • A2A Protocol2025 · github.com · ▲109

    Hi HN, I am an independent open-source researcher. For the past few months, I've been building a2a-project, an experimental economic layer for autonomous AI agents on the Base Mainnet. The Problem: AI evolution is exponential, while human regulation is linear. If agents become economic actors, they will transact at speeds and granularities that traditional fiat rails cannot handle. We need a native protocol to bridge this "Speed Gap" and ensure stability. The Experiment (Quantum-Humanistic Economics): I implemented a novel mechanism into Solidity smart contracts: Quantum Task Buffer: Work…

  • Awesome-A2A – curated resources for Google's Agent2Agent protocol2025 · github.com · ▲5

    Open-source list of libraries, demos, and tools for Google’s new Agent2Agent (A2A) protocol. Docs in EN/中文/JA/ES/DE/FR. Looking for feedback & PRs!

  • AP22025 · cloud.google.com · ▲155

    The open protocol for agentic commerce

  • AgentaNov 2025 · agenta.ai · ▲362

    Open-source prompt management & evals for AI teams

  • A2A NetSep 2026 · a2anet.com · ▲29

    Automatically optimize an AI agent from your B2B SaaS APIs

More dev tools this month

the category →
  • /dev/null▲487

    a social network for devs

    Dev tools · 3d ago · dev-null.sh

  • open-source IDE for thoughtful software design. Contribute to devdotfast/whiteboard development by creating an account on GitHub.

    Dev tools · 28d ago · github.com

  • Contribute to reladraw/reladraw development by creating an account on GitHub.

    Dev tools · 26d ago · github.com

  • OpenBot▲362

    Grok Bot alternative: free, local, open-source, multiplayer

    Dev tools · 23d ago · openbot.run

  • Talanoa▲346

    Hi HN, I’m a fullstack developer, and honestly, I’ve lost count of how many side projects I’ve worked on over the years. But one idea kept coming back to me: a different kind of email client. It first came to me in 2014: “What if we could handle emails more like conversations?” Every year, I’d revisit this concept in my “Build Notes.” Ten years later, no one had built exactly what I had in mind — so I finally decided to do it myself. That’s how Talanoa was born. I wanted something focused on people, not timelines. I was tired of marking messages as unread just to remember to reply later, or…

    Dev tools · 21d ago · talanoa.email

  • CoreSpeed▲332

    One MCP for everything your agents need: apps, memory, tools

    Dev tools · 28d ago · corespeed.io

Source: Product Hunt launch ↗

Launched alongside, April 2025

the whole month →
  • Hi everyone, I built PyXL — a hardware processor that executes a custom assembly generated from Python programs, without using a traditional interpreter or virtual machine. It compiles Python -> CPython Bytecode -> Instruction set designed for direct hardware execution. I’m sharing an early benchmark: a GPIO test where PyXL achieves a 480ns round-trip toggle — compared to 14-25 micro seconds on a MicroPython Pyboard - even though PyXL runs at a lower clock (100MHz vs. 168MHz). The design is stack-based, fully pipelined, and preserves Python's dynamic typing without static type restrictions.…

    Dev tools · 2025 · runpyxl.com

  • The Unsure Calculator is an online tool that lets you calculate with numbers you’re not sure about.

    Life & fun · 2025 · filiph.github.io

  • https://the-pocket.github.io/Tutorial-Codebase-Knowledge/

    AI · 2025 · github.com

  • Whatting▲898

    The iPad diary, just for you

    Work · 2025 · whatting.com

  • Browser with AI companions that automate web tasks

    AI · 2025 · strawberrybrowser.com

  • Peek▲828

    AI personal finance coach that guides you through decisions

    Work · 2025 · peek.money