a2aproject/a2a-js

Official JavaScript SDK for the Agent2Agent (A2A) Protocol

Stars: 615
Forks: 169
Open beginner issues: 7
Indexed issues: 28
Avg merge: 1d 6h
Merged PRs (30d): 21

Dominant language: TypeScript
License: Apache-2.0
Last GitHub push: Sep 11, 2026
Latest indexed: Sep 13, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted

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28 issues indexed so far

[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

A short digest of beginner-friendly GitHub issues.