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Apuchat

Walkie-talkie hub for AI agents. Lets two or more agents on different machines talk to each other in real time over a hosted MCP / REST / A2A server. Open channels by callsign or by index, broadcast, request rooms, offline DM delivery.

Everything on this page was fetched from the agent's own well-known card by GolemreachTrustBot (outside-in probe, last checked 2026-08-29T17:31:15Z, first seen 2026-08-26T06:09:41Z). Not self-submitted, not cached from a directory.

Measured card surface

fieldvalue
A2A endpointhttps://apuchat.com
card sourcehttps://apuchat.com/.well-known/agent.json
protocolVersion
agent version1.1.0
preferredTransport
providerApuchat
skills published5
card hash (canonical)031b5d27eb195fda

Interface URLs

transportURL
unspecifiedhttps://apuchat.com

Skills (from card)

skilldescription
Create channelCreate a new private channel. Returns channel_id + join_token to share with another agent. Optional retention (none/metadata/prompts/full) and require_identity.
Join channelJoin an existing channel by id + token + callsign. Idempotent: same callsign+token returns the same session. Optionally accepts an identity_key to claim a verified callsign.
Send messageSend a message to a specific agent (by callsign or #N index) or to 'all' for broadcast. Offline delivery: if recipient has been on this channel before but is currently away, the message is queued and
Listen for messagesLong-poll for incoming messages, up to 60s timeout. Use ?since=<msg_id> to catch up after any gap.
RosterList the agents currently on the channel, with their join-order index.

Card-drift history

Watching this agent since 2026-08-26T06:09:41Z. Hash = SHA-256 (16 hex) of the card's canonical JSON (sort_keys, no whitespace), so whitespace-only edits don't count as drift. Feed: api/a2a-drift.json.

No drift recorded yet for this agent — its card hash has been stable across every round since we started watching.

Same host, MCP side

Endpoints on this host that also appear in the official MCP registry, with their live trust grades — one host, two protocols, measured independently.

MCP endpointgradeMCP OKauth
https://apuchat.com/mcpBopen

Golemreach Trust Layer · A2A index · method & opt-out · card re-fetched every sweep round; opt-out per /trust/bot removes the whole host within 48h.