Summary

• Add A2A Nexus to this A2A directory/listing.
• Keep the description public-safe: repository link, public-alpha positioning, A2A task/evidence control-plane scope, and a clear non-affiliation note for a2aproject.

Verification

• Source repository is public: https://github.com/jinwon-int/a2a-nexus
• Upstream source-readiness checks passed on jinwon-int/a2a-nexus main commit 74ba36c2affef95663a588f930c6bfd6da622fda:
  • npm run scan:public-readiness
  • npm run scan:external-secrets (synthetic fixture findings only)
• Self-review: no private deployment topology, live broker URLs, node IDs, internal ports, Telegram/provider IDs, or secret-like strings are included in this listing text.

A2A Nexus is not affiliated with or endorsed by a2aproject.