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Tlon (plugin)

Tlon is a decentralized messenger built on Urbit. OpenClaw connects to your Urbit ship and can respond to DMs and group chat messages. Group replies require an @ mention by default and can be further restricted via allowlists. Status: supported via plugin. DMs, group mentions, thread replies, rich text formatting, and image uploads are supported. Reactions and polls are not yet supported.

Plugin required

Tlon ships as a plugin and is not bundled with the core install. Install via CLI (npm registry):
Local checkout (when running from a git repo):
Details: Plugins

Setup

  1. Install the Tlon plugin.
  2. Gather your ship URL and login code.
  3. Configure channels.tlon.
  4. Restart the gateway.
  5. DM the bot or mention it in a group channel.
Minimal config (single account):

Private/LAN ships

By default, OpenClaw blocks private/internal hostnames and IP ranges for SSRF protection. If your ship is running on a private network (localhost, LAN IP, or internal hostname), you must explicitly opt in:
This applies to URLs like:
  • http://localhost:8080
  • http://192.168.x.x:8080
  • http://my-ship.local:8080
⚠️ Only enable this if you trust your local network. This setting disables SSRF protections for requests to your ship URL.

Group channels

Auto-discovery is enabled by default. You can also pin channels manually:
Disable auto-discovery:

Access control

DM allowlist (empty = no DMs allowed, use ownerShip for approval flow):
Group authorization (restricted by default):

Owner and approval system

Set an owner ship to receive approval requests when unauthorized users try to interact:
The owner ship is automatically authorized everywhere — DM invites are auto-accepted and channel messages are always allowed. You don’t need to add the owner to dmAllowlist or defaultAuthorizedShips. When set, the owner receives DM notifications for:
  • DM requests from ships not in the allowlist
  • Mentions in channels without authorization
  • Group invite requests

Auto-accept settings

Auto-accept DM invites (for ships in dmAllowlist):
Auto-accept group invites:

Delivery targets (CLI/cron)

Use these with openclaw message send or cron delivery:
  • DM: ~sampel-palnet or dm/~sampel-palnet
  • Group: chat/~host-ship/channel or group:~host-ship/channel

Bundled skill

The Tlon plugin includes a bundled skill (@tloncorp/tlon-skill) that provides CLI access to Tlon operations:
  • Contacts: get/update profiles, list contacts
  • Channels: list, create, post messages, fetch history
  • Groups: list, create, manage members
  • DMs: send messages, react to messages
  • Reactions: add/remove emoji reactions to posts and DMs
  • Settings: manage plugin permissions via slash commands
The skill is automatically available when the plugin is installed.

Capabilities

Troubleshooting

Run this ladder first:
Common failures:
  • DMs ignored: sender not in dmAllowlist and no ownerShip configured for approval flow.
  • Group messages ignored: channel not discovered or sender not authorized.
  • Connection errors: check ship URL is reachable; enable allowPrivateNetwork for local ships.
  • Auth errors: verify login code is current (codes rotate).

Configuration reference

Full configuration: Configuration Provider options:
  • channels.tlon.enabled: enable/disable channel startup.
  • channels.tlon.ship: bot’s Urbit ship name (e.g. ~sampel-palnet).
  • channels.tlon.url: ship URL (e.g. https://sampel-palnet.tlon.network).
  • channels.tlon.code: ship login code.
  • channels.tlon.allowPrivateNetwork: allow localhost/LAN URLs (SSRF bypass).
  • channels.tlon.ownerShip: owner ship for approval system (always authorized).
  • channels.tlon.dmAllowlist: ships allowed to DM (empty = none).
  • channels.tlon.autoAcceptDmInvites: auto-accept DMs from allowlisted ships.
  • channels.tlon.autoAcceptGroupInvites: auto-accept all group invites.
  • channels.tlon.autoDiscoverChannels: auto-discover group channels (default: true).
  • channels.tlon.groupChannels: manually pinned channel nests.
  • channels.tlon.defaultAuthorizedShips: ships authorized for all channels.
  • channels.tlon.authorization.channelRules: per-channel auth rules.
  • channels.tlon.showModelSignature: append model name to messages.

Notes

  • Group replies require a mention (e.g. ~your-bot-ship) to respond.
  • Thread replies: if the inbound message is in a thread, OpenClaw replies in-thread.
  • Rich text: Markdown formatting (bold, italic, code, headers, lists) is converted to Tlon’s native format.
  • Images: URLs are uploaded to Tlon storage and embedded as image blocks.