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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 · 25758 stars
a2a-python
Official Python SDK for the Agent2Agent (A2A) Protocol

Python · 2138 stars
a2a-samples
Samples using the Agent2Agent (A2A) Protocol

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

TypeScript · 615 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 · 461 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 · 116 stars
a2a-rs
A2A Rust SDK

Rust · 76 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

560 open issues indexed

[Bug]: gRPC errors do not include google.rpc.ErrorInfo Open

compatibility gRPC

a2aproject/a2a-java#731 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 13, 2026
[Bug]: a2a-java client sends message with empty task ID and context ID Open

a2aproject/a2a-java#770 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Bug]: pushnotification is not support order-preserving of update event Open

a2aproject/a2a-java#775 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 13, 2026
[Feat]: Add Android support for A2A HTTP Client and decouple JdkA2AHttpClient (v0.3.x) Open

a2aproject/a2a-java#793 · 12 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Improve SSE implemetnation for 0.3 Open

a2aproject/a2a-java#841 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Bug]: 0.3.3.Final - Agent terminates early when ADK tool returning RxJava Single hops threads Open

a2aproject/a2a-java#872 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Spring Boot server integration via Erupt — annotation-driven A2A server Open

a2aproject/a2a-java#891 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
How does the client record the task IDs that have been sent Open

a2aproject/a2a-java#909 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
fix: handle blank push notification config id consistently across transports Open

a2aproject/a2a-java#1012 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Bug]: SDK ships no native-image reachability metadata, breaking GraalVM builds Open

a2aproject/a2a-java#1032 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Push validation into DefaultRequestHandler Open

a2aproject/a2a-java#1093 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
ClientBuilder has no fallback to AgentCard#additionalInterfaces()/preferredTransport() (legacy 0.3 cards) when supportedInterfaces() is absent Open

a2aproject/a2a-java#1121 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Bug]: some observability capabilities loss on A2A Open

a2aproject/a2a-java#1132 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Bug]: Vert.x opt-in redirects do not support relative Location values. Open

a2aproject/a2a-java#1142 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 13, 2026
[Bug]: Documentation should provide a valid example of TaskAuthorizationProvider Open

a2aproject/a2a-java#1143 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Multicast RPC: no mechanism to route follow-up messages to the correct per-agent context Open

a2aproject/experimental-cpb-slimrpc#7 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Feat]: Need of persistent task store Open

a2aproject/a2a-js#114 · 22 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Test]: Research options for build-time breaking changes detection Open

enhancement help wanted

a2aproject/a2a-js#178 · 3 comments · 0 reactions · 1 assignee · Indexed Sep 13, 2026
[Test]: Automated test for package installation and imports resolution Open

a2aproject/a2a-js#294 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Feat]: Integrated SSRF and DNS Rebinding Protection across all Transports Open

a2aproject/a2a-js#350 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Proposal: Bio-inspired routing, resilience, and discovery strategies Open

a2aproject/a2a-js#384 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Bug]: push-notification webhook URL is not SSRF-validated (A2A spec §13.2 unimplemented) Open

a2aproject/a2a-js#584 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Clarification]: Evetbus is closed directly after executor has finished Open

a2aproject/a2a-js#620 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Push notification body shape change between 0.3.14 and 1.0 with legacyCompat: { enabled: true } Open

a2aproject/a2a-js#624 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 13, 2026
[Bug]: canonicalizeAgentCard drops REQUIRED fields with default values, contradicting the §8.4.1 worked example Open

a2aproject/a2a-js#627 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Bug]: unknown enum values become the string "UNRECOGNIZED", which a2a-python rejects Open

a2aproject/a2a-js#640 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Bug]: Timestamp fields are unvalidated strings and are never normalized to UTC Open

a2aproject/a2a-js#641 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Bug]: Part.data set to null drops the content oneof Open

a2aproject/a2a-js#642 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Bug]: multiple content oneof arms are silently accepted instead of rejected Open

a2aproject/a2a-js#643 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Expose v0.3 to v1.0 conversion helpers as public API Open

a2aproject/a2a-js#646 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Clarification]: DefaultPushNotificationSender does not set the a2a-version header on outgoing push notifications Open

a2aproject/a2a-js#647 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Bug]: Some optional properties are required Open

a2aproject/a2a-js#660 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Bug]: canonicalizeAgentCard is input-form dependent — AgentCard instance input silently drops securitySchemes (oneof), breaking self- and cross-SDK verification Open

a2aproject/a2a-js#663 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Bug]: toCoreMessage defaults optional taskId to "" instead of undefined Open

a2aproject/a2a-js#678 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Bug]: REST listTasks drops historyLength=0 and accepts NaN pageSize Open

a2aproject/a2a-js#679 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Bug]: REST create push config ignores path taskId Open

a2aproject/a2a-js#680 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Bug]: sendMessage persists follow-up history before the required-extension check Open

a2aproject/a2a-js#684 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Bug]: JSON-RPC client accepts responses with missing or invalid jsonrpc version Open

a2aproject/a2a-js#696 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Bug]: REST push-notification config listing ignores pageSize and pageToken Open

a2aproject/a2a-js#700 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Bug]: Client caches an extended Agent Card before signature verification succeeds Open

a2aproject/a2a-js#705 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Bug]: JSON-RPC streaming responses omit activated extension headers Open

a2aproject/a2a-js#710 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Bug]: JSON-RPC SSE error events lose their typed A2A error Open

a2aproject/a2a-js#712 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Bug]: SSE clients silently drop events with standalone CR line endings Open

a2aproject/a2a-js#714 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Bug]: Authentication fetch wrapper drops Headers entries and corrupts tuple-array headers Open

a2aproject/a2a-js#716 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
feature: add SLIMRPC, WebSocket, and stdio transport bindings Open

enhancement

a2aproject/a2a-rs#12 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 13, 2026
task: add WebSocket transport binding Open

enhancement

a2aproject/a2a-rs#14 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
task: add stdio transport binding Open

enhancement

a2aproject/a2a-rs#15 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
docs: add Community Projects section to README Open

a2aproject/a2a-rs#49 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
a2a-client crate name Open

a2aproject/a2a-rs#51 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Dependency Dashboard Open

a2aproject/a2a-rs#154 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026

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