A2a — Development skill for Claude Code
agent2agent inter-session message bus.
How to install A2a
Installs to ~/.claude/skills/axiomantic-spellbook-a2a/SKILL.md
mkdir -p ~/.claude/skills/axiomantic-spellbook-a2a && curl -fsSL https://raw.githubusercontent.com/axiomantic/spellbook/HEAD/commands/a2a.md -o ~/.claude/skills/axiomantic-spellbook-a2a/SKILL.md Restart Claude Code, or start a new session, for it to be picked up.
What A2a does
description: "agent2agent inter-session message bus. Triggers: '/a2a', 'open inbox', 'close inbox', 'listen for messages', 'listen as', 'send a message to session', 'check inbox', 'reply to that session', 'inter-agent chat', 'inter-agent messaging', 'agent2agent', 'a2a', 'agent bus', 'message another session', 'tell session Y to', 'ask session Y'. Subcommands: open, close, send, check, read, peek, names, bound-name."
MISSION
`/a2a` is the slash interface to the agent2agent inter-sess
Alternatives in Development
- Beacon Skill — Beacon - agent-to-agent pings with optional RTC value attached (BoTTube/Moltbook/RustChain + UDP bus) 219 ★
- Link Outreach — Link Outreach: review the listicle authors who replied to your backlink outreach, and reply to them in-thread 195 ★
- 8 — Build a full-screen automotive hero section for a car dealership/marketplace website 152 ★
Full documentation available on GitHub
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