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a2aproject

13 indexed repositories · View on GitHub

A2A
Agent2Agent (A2A) is an open protocol enabling communication and interoperability between opaque agentic applications.

Shell · 25747 stars
a2a-python
Official Python SDK for the Agent2Agent (A2A) Protocol

Python · 2139 stars
a2a-samples
Samples using the Agent2Agent (A2A) Protocol

Jupyter Notebook · 1764 stars
a2a-js
Official JavaScript SDK for the Agent2Agent (A2A) Protocol

TypeScript · 613 stars
a2a-inspector
Validation Tools for A2A Agents

TypeScript · 490 stars
a2a-java
Official Java SDK for the Agent2Agent (A2A) Protocol

Java · 490 stars
a2a-go
Golang SDK for A2A Protocol

Go · 460 stars
a2a-dotnet
C#/.NET SDK for A2A Protocol

C# · 262 stars
a2a-cli
The official command-line interface for interacting with A2A (Agent2Agent) compatible agents.

Go · 95 stars
a2a-rs
A2A Rust SDK

Rust · 75 stars
a2a-tck

Python · 50 stars
experimental-cpb-slimrpc
SLIMRPC custom protocol binding for A2A.

9 stars
a2a-itk
Integration Testing Kit for A2A SDKs

Python · 7 stars

Open All

572 open issues indexed

[Bug]: §3.6 says patch versions do not affect protocol compatibility, but v1.0.1 changed six §5.4 transport mappings Open

a2aproject/A2A#2200 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
update landing page Open

a2aproject/A2A#2207 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 13, 2026
CNCF AI Technical Community Group Discussion/Presentation Open

a2aproject/A2A#2208 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Extension Proposal]: Expectations — letting the passage of time cause a state change Open

a2aproject/A2A#2209 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Feat]: Extension proposal: Conduct (conduct-v1), a data-only disclosure and client-as-witness extension Open

a2aproject/A2A#2211 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Community SDK Submission: a2a-to-mcp (A2A v1.0.1 agents as MCP 2026-07-28 tools) Open

a2aproject/A2A#2212 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 13, 2026
Spec proposal: bounded input limits — task ID length, history_length, push notification configs per task Open

a2aproject/A2A#2220 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
docs: a2a-and-mcp.md has no authorization section Open

a2aproject/A2A#2221 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
When a hired agent doesn’t deliver — has that happened to you? Open

a2aproject/A2A#2228 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Confirm and add explicit repository license Open

a2aproject/a2a-itk#19 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Offer: wire-format conformance vectors alongside the traversal scenarios Open

a2aproject/a2a-itk#32 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Feat]: create agent plugin Open

enhancement

a2aproject/a2a-cli#5 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
feat: add CI checks Open

enhancement

a2aproject/a2a-cli#8 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 13, 2026
feat: rename `card get` to `card inspect` Open

enhancement

a2aproject/a2a-cli#15 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 13, 2026
feat: please evaluate and add anonymous metrics collection with enduser controls Open

enhancement

a2aproject/a2a-cli#16 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
feat: add support for SLIMRPC custom protocol binding Open

a2aproject/a2a-cli#17 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
feat: resolve agent cards directly from ai-catalog references in --agent-card flag Open

enhancement

a2aproject/a2a-cli#19 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
feat: Plugin system for custom transports via discoverable binaries Open

enhancement

a2aproject/a2a-cli#20 · 14 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
feat: add task download to save an agent's task artifacts to disk Open

enhancement P2

a2aproject/a2a-cli#33 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
feat: add interactive chat for multi-turn agent sessions Open

enhancement P2

a2aproject/a2a-cli#34 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
feat: implement an option for storing file parts as files Open

enhancement

a2aproject/a2a-cli#41 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Test a multi-turn interaction with a client Open

client tests

a2aproject/a2a-java#33 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Update the server example to be able to provide the extended agent card Open

examples server

a2aproject/a2a-java#81 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Feat]: Request Android Support Open

a2aproject/a2a-java#131 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Code formatter/reporter Open

enhancement good first issue hacktoberfest

a2aproject/a2a-java#139 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Feat] Create a sample that makes use of multiple agents written with Quarkus LangChain4j Open

sample

a2aproject/a2a-java#277 · 3 comments · 0 reactions · 1 assignee · Indexed Sep 13, 2026
[chore]: Add more tests for ProtoUtils Open

good first issue hacktoberfest

a2aproject/a2a-java#304 · 5 comments · 0 reactions · 1 assignee · Indexed Sep 13, 2026
[Feat]: Callback for completed sendMessage request Open

a2aproject/a2a-java#310 · 4 comments · 1 reaction · 0 assignees · Indexed Sep 13, 2026
[chore]: Manage as many versions as possible from Quarkus BOM Open

good first issue hacktoberfest

a2aproject/a2a-java#319 · 6 comments · 0 reactions · 1 assignee · Indexed Sep 13, 2026
[Feat]: Implement an A2A extension for AP2 Open

extension

a2aproject/a2a-java#338 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Feat] [Parent Tracker Issue] Implement the spec changes needed to align with v0.4.0 Open

a2aproject/a2a-java#354 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Implement the Hello World A2A extension Open

extension

a2aproject/a2a-java#367 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 13, 2026
Implement the Traceability Extension Open

extension

a2aproject/a2a-java#368 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Create an example that shows how to create A2A agents with Quarkus and the AG-UI protocol Open

a2aproject/a2a-java#369 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Consider creating an A2A extension to add metadata to messages to share context remotely Open

extension

a2aproject/a2a-java#371 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Create a tutorial on how to use the A2A Java SDK for the A2A website Open

a2aproject/a2a-java#372 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Create a sample that demonstrates how to use a shared contextId across multiple tasks Open

sample

a2aproject/a2a-java#375 · 5 comments · 0 reactions · 1 assignee · Indexed Sep 13, 2026
Additional Server Integrations Open

a2aproject/a2a-java#376 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Feat]: Set up Kubernetes example to also run on Windows. Open

good first issue hacktoberfest

a2aproject/a2a-java#395 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 13, 2026
[Feat] Create a sample that demonstrates in-task authentication (secondary credentials) Open

a2aproject/a2a-java#410 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Feat]: A2A Client Support fallback to re-select url and transport when first choise fails. Open

a2aproject/a2a-java#445 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Bug]: ran into error code “0x80010135” when unzip the code on Windows 11 Open

a2aproject/a2a-java#464 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Feat]: Clarify nullability and optionality of the spec API Open

a2aproject/a2a-java#506 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Feat]: Simplification of the client API? Open

a2aproject/a2a-java#517 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Feat]: Move to latest Java LTS to compile, target oldest LTS Open

a2aproject/a2a-java#518 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Implement the currency conversion agent with A2A Protocol Open

a2aproject/a2a-java#588 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Bug]: push notification is not implemented exactly according to the A2A protocol Open

a2aproject/a2a-java#952 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Service Discovery and Governance for A2A Java Implementations Open

a2aproject/a2a-java#683 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Feat]: Update Part objects Open

a2aproject/a2a-java#688 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Bug]: A2A HTTP protocol upgrade fails when using Otel auto instrumentation due Netty Open

a2aproject/a2a-java#690 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026

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