NAME
Langertha::Knarr::Protocol::A2A - Google Agent2Agent (A2A) wire protocol for Knarr
VERSION
version 1.001
DESCRIPTION
Implements the Google A2A protocol on top of Langertha::Knarr::Protocol. Loaded by default.
GET /.well-known/agent.json— agent card discovery (anonymous)POST /— JSON-RPC 2.0 method bus
Supported methods: tasks/send (sync) and tasks/sendSubscribe (streaming). Streaming wraps every chunk in a JSON-RPC envelope with the original id preserved, transitions status.state from working to completed, and emits artifact append events for the text deltas.
agent_card
The HashRef returned by the discovery endpoint. Defaults to a generic "Knarr Agent" card with streaming: true; override to advertise specific skills, version, etc.
SUPPORT
Issues
Please report bugs and feature requests on GitHub at https://github.com/Getty/langertha-knarr/issues.
IRC
Join #langertha on irc.perl.org or message Getty directly.
CONTRIBUTING
Contributions are welcome! Please fork the repository and submit a pull request.
AUTHOR
Torsten Raudssus <torsten@raudssus.de> https://raudssus.de/
COPYRIGHT AND LICENSE
This software is copyright (c) 2026 by Torsten Raudssus.
This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.