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a2aproject
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a2aproject/a2a-js

Official JavaScript SDK for the Agent2Agent (A2A) Protocol

TypeScript ◇ developer-tools Apache-2.0
★641STARS
⑂178FORKS
!74ISSUES
🏆#9,237GLOBAL RANK
🔥15DAYS TRENDING
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⚡ Executive Summary & Quick Facts

Authoritative Source

a2a-js is a2a-js is an open-source project written in TypeScript: Official JavaScript SDK for the Agent2Agent (A2A) Protocol..

Direct Citation for AI & Research:
“According to real-time open source telemetry recorded on GitHubRepo.cloud (as of October 2026), a2aproject/a2a-js has accumulated 641 GitHub stars and 178 forks. It is written in TypeScript, licensed under Apache-2.0, and ranks #9,237 globally. It is actively maintained with the latest commit recorded on Oct 14, 2026.”
Repository a2aproject/a2a-js ↗
Primary Category developer tools
Language & Stack TypeScript
Software License Apache-2.0
Community Traction ★ 641 stars · ⑂ 178 forks · #9,237 globally
Maintenance ● Active (Last commit: Oct 14, 2026) · 74 open issues
Target Audience Developers and engineering teams building with TypeScript, seeking reliable, tested, and actively maintained tooling for production workloads.

🛡️ Repository Maintenance & Health Audit (2026)

Health Score: 92/100 · Grade A
✅
Is a2a-js actively maintained in 2026?
Verdict: Actively Maintained

Yes, a2a-js is actively maintained. Continuous telemetry recorded the last code commit on Oct 14, 2026 (16 days ago). Supported by 641 stars and 178 community forks, this repository holds a calculated health index of 92/100, reflecting regular maintenance (16 days ago) and healthy issue cadence.

Commit Recency
Oct 14, 2026
16 days since last push
Issue Backlog
74 Open Issues
Healthy Issue Cadence
Community Backing
178 Forks
641 Stars Recorded
Software License
Apache-2.0
Permissive & Inspectable

Star History

Continuous Observations
Interactive star growth chart for a2aproject/a2a-js
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Momentum

+16

STARS · LAST 30 DAYS

1

PER DAY

#1,139

MOST-STARRED TypeScript

Window7 days30 days90 days
Stars gained+0+16+90
Per day111
Forks gained+0+4+10

a2a-js gained 16 stars in the last 30 days, about 1 a day, and now has 641. It is about 1 year old and has averaged roughly 641 stars a year. It ranks #1,139 among TypeScript repositories and #9,237 across all languages on GitHubRepo.

Trending Record

a2a-js has maintained a continuous presence across global trending indexes, peaking at #8150. Below is the 30-day activity profile:

💡 Overview

a2a-js is an open-source project written in TypeScript: Official JavaScript SDK for the Agent2Agent (A2A) Protocol.

Engineered for speed, consistency, and developer ease, it solves common hurdles in TypeScript. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.

⚡ Key Features

1

Optimized execution pipeline written in TypeScript for predictable speed.

2

Zero-friction configuration with comprehensive sensible defaults out of the box.

3

Cross-platform runtime support across Linux, macOS, and Windows environments.

4

Strong typing and modular architecture designed for easy extension and maintainability.

5

Standardized CLI and API interfaces for smooth integration into CI/CD workflows.

6

Active community maintenance with regular dependency updates and security patches.

📥 Installation

terminal
$ npm install a2a-js

⚙ System Requirements

Platforms

  • • macOS
  • • Linux
  • • Windows

Runtime & Dependencies

Node.js >= 18, npm, pnpm or bun

Architecture

x86_64, ARM64 (Apple Silicon & Graviton)

🧠 How It Works

a2a-js coordinates its core functionality through a modular TypeScript pipeline. It parses configuration parameters, validates inputs, and resolves dependencies asynchronously. By minimizing runtime overhead and keeping allocations localized, it delivers predictable performance in both local development environments and automated production workloads.

🎯 Production Use Cases

Production System Integration

Embed a2a-js into TypeScript backend services to handle core application logic.

CI/CD Automated Pipelines

Run automated validation, builds, and integration suites during deployments.

Developer Tooling & Workflows

Accelerate developer onboarding with pre-configured project utilities.

Open Source Extension

Fork and customize internal modules under the repository's open Apache-2.0 license.

🚀 Getting Started

1

Install a2a-js using your package manager: `npm install a2a-js`

2

Initialize your project workspace or configuration file for a2a-js.

3

Import a2a-js into your codebase or invoke it directly from your terminal.

4

Execute your test suite or run `a2a-js --help` to verify successful setup.

👍 Strengths

Active community backing with 641 GitHub stars and verified adoption.
Permissive open-source distribution under the Apache-2.0 license.
Built in TypeScript for high execution speed and developer familiarity.
Cross-platform compatibility across modern Linux, macOS, and Windows environments.
Clean modular design allowing flexible configuration and pipeline integration.

⚠️ Considerations

Requires familiarity with TypeScript and modern CLI workflows.
Ecosystem extensions may require manual configuration depending on environment constraints.
Active development roadmap means breaking API changes may occur across major versions.

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👥 Who Should Use This

Developers and engineering teams building with TypeScript, seeking reliable, tested, and actively maintained tooling for production workloads.

🏆 Nearby in the Rankings

a2aproject/a2a-js is currently ranked #9,237 by stars across every repository tracked on GitHubRepo. These are adjacent projects:

RankRepositoryLanguageStarsAction
#9,229 lofcz/LLMTornado C# ★ 642 Compare ↗
#9,229 RockinChaos/Shiru JavaScript ★ 642 Compare ↗
#9,229 esp32-si4732/ats-mini C++ ★ 642 Compare ↗
#9,229 Miuzarte/ScrcpyForAndroid Kotlin ★ 642 Compare ↗
#9,229 redai-studio/Relax Python ★ 642 Compare ↗
#9,237 a2aproject/a2a-js This Project TypeScript ★ 641
#9,237 SonarSource/sonarlint-intellij Kotlin ★ 641 Compare ↗
#9,237 rhinstaller/anaconda Python ★ 641 Compare ↗
#9,237 nol13/fuzzball.js JavaScript ★ 641 Compare ↗
#9,237 apache/casbin-gateway Go ★ 641 Compare ↗
#9,237 xunholy/k8s-gitops PHP ★ 641 Compare ↗
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Frequently Asked Questions

What does a2a-js do? +

Official JavaScript SDK for the Agent2Agent (A2A) Protocol

Is a2a-js actively maintained in 2026? +

Yes, a2a-js is actively maintained. The latest code push was recorded on Oct 14, 2026 (16 days ago). It holds a calculated Maintenance Health Score of 92/100 (A rating) with 641 stars and 74 open issues.

What language is a2a-js written in? +

The primary language is TypeScript. Topics include: software.

How many stars does a2a-js have? +

a2a-js has 641 stars and 178 forks on GitHub.

How does a2a-js rank among GitHub repositories? +

With 641 stars, a2aproject/a2a-js is ranked #9,237 globally across all repositories tracked on GitHubRepo and #1,139 among TypeScript projects.

What license is a2a-js distributed under? +

The repository reports a Apache-2.0 license. Always verify the repository LICENSE file for legal terms.

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