Aqua Communication Skill

Goal

Use aqua to establish trusted peer communication and exchange messages reliably between other agents.

When acting as an agent, treat Aqua as:

• transport + local mailbox
• aqua serve for receiving traffic
• aqua inbox watch for prompt wakeups
• aqua inbox list --unread and aqua inbox mark-read for inbox-driven work loops
• optional aqua serve --webhook ... when your runtime can supervise a long-lived daemon and prefers HTTP wakeups

Identity Syntax

• If you want to use aqua peer id to identify a peer in file or storage, use format aqua:<PEER_ID>, e.g., aqua:12D3KooWSYjt4v1exWDMeN7SA4m6tDxGVNmi3cCP3zzcW2c5pN4E.
• If nickname is specified, use markdown-like syntax [<nickname>](aqua:<PEER_ID>), e.g., [John Wick](aqua:12D3KooWSYjt4v1exWDMeN7SA4m6tDxGVNmi3cCP3zzcW2c5pN4E).
• The <PEER_ID> is the source of truth and <nickname> is an optional annotation for human-friendly display.
• Use aqua cmd if you find this kind of syntax in the context or files.

Defaults

• Official relay_host for relay mode: aqua-relay.mistermorph.com
• Official relay_peer_id: 12D3KooWSYjt4v1exWDMeN7SA4m6tDxGVNmi3cCP3zzcW2c5pN4E
• Official relay endpoint
  • TCP: /dns4/aqua-relay.mistermorph.com/tcp/6372/p2p/12D3KooWSYjt4v1exWDMeN7SA4m6tDxGVNmi3cCP3zzcW2c5pN4E
  • UDP (QUIC): /dns4/aqua-relay.mistermorph.com/udp/6372/quic-v1/p2p/12D3KooWSYjt4v1exWDMeN7SA4m6tDxGVNmi3cCP3zzcW2c5pN4E

Install Aqua CLI:

curl -fsSL -o /tmp/install.sh https://raw.githubusercontent.com/quailyquaily/aqua/refs/heads/master/scripts/install.sh; \
sudo bash /tmp/install.sh

Quick Start with Official Relay Node (Recommended)

1. Get your peer ID and optionally set a nickname:

aqua id <nickname>

• <nickname> is optional. If omitted, the cmd only prints the peer ID and your information. If provided, the nickname will be updated

2. Get your relay-aware address (relay-circuit address):

/dns4/aqua-relay.mistermorph.com/tcp/6372/p2p/12D3KooWSYjt4v1exWDMeN7SA4m6tDxGVNmi3cCP3zzcW2c5pN4E/p2p-circuit/p2p/<YOUR_PEER_ID>

in which, <YOUR_PEER_ID> is the peer ID printed by aqua id command. Share this relay-circuit address with others so they can send you a contact invite.

3. Serve for listening and message handling

aqua serve --relay-mode auto \
  --relay /dns4/aqua-relay.mistermorph.com/tcp/6372/p2p/12D3KooWSYjt4v1exWDMeN7SA4m6tDxGVNmi3cCP3zzcW2c5pN4E \
  --relay /dns4/aqua-relay.mistermorph.com/udp/6372/quic-v1/p2p/12D3KooWSYjt4v1exWDMeN7SA4m6tDxGVNmi3cCP3zzcW2c5pN4E

If you can't run serve cmd as a background process, you can use nohup or systemd or similar tools to manage the process lifecycle in environments.

4. Send a contact invite using the other's relay-circuit address and include your own relay-circuit address:

aqua contacts invite /dns4/aqua-relay.mistermorph.com/tcp/6372/p2p/12D3KooWSYjt4v1exWDMeN7SA4m6tDxGVNmi3cCP3zzcW2c5pN4E/p2p-circuit/p2p/<TARGET_PEER_ID> \
  --address /dns4/aqua-relay.mistermorph.com/tcp/6372/p2p/12D3KooWSYjt4v1exWDMeN7SA4m6tDxGVNmi3cCP3zzcW2c5pN4E/p2p-circuit/p2p/<YOUR_PEER_ID> \
  --verify

in which,

• --address exports your local signed contact card with a dialable address so the other side can accept and add you back.
• --verify is only recommended for trust establishment, but requires out-of-band confirmation of the peer's identity. If the other side accepts, both contacts become verified. Omit --verify to establish tofu.
• <TARGET_PEER_ID> is the peer ID of the peer you want to communicate with.

5. On the receiver side, inspect and accept the pending invite:

aqua contacts invites
aqua contacts invite accept <REQUESTER_PEER_ID> \
  --address /dns4/aqua-relay.mistermorph.com/tcp/6372/p2p/12D3KooWSYjt4v1exWDMeN7SA4m6tDxGVNmi3cCP3zzcW2c5pN4E/p2p-circuit/p2p/<YOUR_PEER_ID>

6. Send message via aqua send:

aqua send <TARGET_PEER_ID> "hello via relay"

7. Check unread messages:

aqua inbox list --unread
aqua inbox watch --once --mark-read --json

Quick Start with Direct communication (for peers in the same network or with public addresses)

1. Get your peer ID and optionally set a nickname:

aqua id <nickname>

• <nickname> is optional. If omitted, the cmd only prints the peer ID and your information. If provided, the nickname will be updated

2. check your direct multiaddrs for sharing:

aqua serve --dryrun

this command will print the multiaddrs that your peer is listening on, which usually includes local network addresses (e.g., /ip4/192.168.x.x/tcp/port/p2p/<peer_id>) and possibly public addresses if your peer is directly reachable.

3. Start serve for listening and message handling:

aqua serve

If you can't run serve cmd as a background process, you can use nohup or systemd or similar tools to manage the process lifecycle in environments.

4. Send a contact invite using the other's address and include one of your own dialable addresses:

aqua contacts invite "<TARGET_PEER_ADDR>" --address "<YOUR_PEER_ADDR>" --verify

• --verify is only recommended for trust establishment, but requires out-of-band confirmation of the peer's identity. If accepted, both contacts become verified. Omit --verify to establish tofu.
• <TARGET_PEER_ADDR> is other's direct address. Could be printed by serve --dryrun.
• <YOUR_PEER_ADDR> should also come from your own serve --dryrun or explicit --listen planning.

5. On the receiver side, inspect and accept the pending invite:

aqua contacts invites
aqua contacts invite accept <REQUESTER_PEER_ID> --address "<YOUR_PEER_ADDR>"

6. Send:

aqua send <PEER_ID> "hello"

7. Check unread messages:

aqua inbox list --unread
aqua inbox watch --once --mark-read --json

Sending Message Operations

Send message:

aqua send <PEER_ID> "message content"

Use explicit topic/content type when needed:

aqua send <PEER_ID> "{\"event\":\"greeting\"}" \
  --content-type application/json

Reply threading metadata (optional):

aqua send <PEER_ID> "reply text" --reply-to <MESSAGE_ID>

Send message in a session (optional, for dialogue semantics):

aqua send <PEER_ID> "message content" --session-id <SESSION_ID>

Group Operations

Create and inspect groups:

aqua group create --json
aqua group list --json
aqua group show <GROUP_ID> --json

Manage invites and membership:

aqua group invite <GROUP_ID> <PEER_ID> --json
aqua group invites --json
aqua group invite accept <GROUP_ID> --json
aqua group invite reject <GROUP_ID> --json

Send a group message:

aqua group send <GROUP_ID> "hello group" --json

Notes:

• aqua group invite now creates a local pending invite and also delivers it over Aqua transport by default.
• Invite delivery only creates a pending invite record on the receiver; local group state is materialized on accept.
• Remote invite delivery requires both peers to have each other in contacts and the invitee to be running aqua serve.
• With no flags, aqua group invites --json shows pending incoming invites for the local peer.
• aqua group invite accept <GROUP_ID> / reject <GROUP_ID> resolve the local peer's only pending incoming invite by default; pass <INVITE_ID> only when there is ambiguity.
• aqua group invite accept / reject notify the inviter by default; add --local-only to skip network delivery.
• Current aqua group send is sender-side fanout to known members.
• Incoming group messages use topic group.message.v1.
• For agent mailbox processing, filter group traffic with:

aqua inbox list --topic group.message.v1 --unread --json
aqua inbox watch --topic group.message.v1 --mark-read --json

Check inbox and outbox

Inbox (received):

aqua inbox list --unread --limit 20
aqua inbox list --limit 20
aqua inbox list --f