Connectors · Email & messaging

Zulip MCP server for AI agents.

actionlake is an MCP gateway: one remote MCP server that connects Claude and other MCP clients to Zulip and the rest of your systems. It gives your agent 156 Zulip actions (48 reads, 73 writes and 35 that wait for a confirmation) and holds the Zulip credential itself, so the agent never does. It paces Zulip's limits and records every call.

Connect Zulip free See pricing

100,000 free calls a month. No card, no email, no password: press Start a free sandbox on the next screen and keep the key it shows you.

claude mcp add --transport http actionlake https://connect.actionlake.com/mcp

156actionsin one signed file
48readlook, never change
73writecreate and update
35wait for a yesdestructive, confirmed first

Set up

Connect Zulip in three steps.

01
Add actionlake to Claude.
Run the command once in Claude Code; its consent page can create a free sandbox: 100,000 calls a month, no card. In the Claude app, add a custom connector with the URL below and paste your key on the consent page. Creating a new sandbox from the Claude app is not yet tested by us.
https://connect.actionlake.com/mcp
02
Connect Zulip.
Username and secret. No consent screen: your agent can connect it for you, but the key then passes through your chat. To keep it out of the model's context, paste it in the console instead. actionlake stores what you paste write-only, sealed under your tenant's key.
- emailThe Zulip API email of the user or bot (for bots, the bot's email such as [email protected])
- api_keyThe API key of that user or bot (Personal settings > Account & privacy > API key, or the bot's key under Personal…
- hostWhere your Zulip lives: your host
```
account { op: "connections.requirements", service: "zulip" }
# free: exactly what to paste, and what is found for you
```

Make the first call. Check before a write.

Ask in plain words; Claude picks the action. Before anything changes, check validates the call and prices it, for free.

do    { action: "zulip.users.get_users" }# get users · read · 1 upstream callcheck { action: "zulip.users.create_user", input: { … } }# free: inputs, permissions, cost and confirmations, nothing sent

Zulip at a glance

Sign-in: Username and secret. No consent screen: your agent can connect it for you, but the key then passes through your chat. To keep it out of the model's context, paste it in the console instead.
You provide: emailapi_key
Setup fields: host
Limits we pace to: 200 calls a minute, per connection
API covered: Zulip REST API v1 (OpenAPI 3.0.1, 1.0.0), at your Zulip instance's API base URL, which you enter when connecting (path /api/v1)
Built from: Zulip's documentation, read 23 October 2026OpenAPI spec (GitHub)zulip.com
Service file: Version 1.0.0, signed (Ed25519)
Cached reads: 40 of 48 reads, for up to 5 minutes; a write clears what it affects
Shared entities: 4, so ask can line Zulip up with your other systems
Data: Processed and stored in Sydney, Australia. No US region yet

Capabilities

What an AI agent can do in Zulip.

156 actions in 12 areas. Every one carries its effect, so a key can allow the reads and hold the rest.

48readlook, never change
73writecreate and update
35destructivewait for a confirmation

Users
44
13 read · 19 write · 12 destructive
Get users · Get user groups · Create a user · Create a user group
Channels
29
11 read · 14 write · 4 destructive
Get all channels · Create a channel · Get a channel by ID · Update a channel
Server and organizations
27
8 read · 12 write · 7 destructive
Add a code playground · Add a linkifier · Add an allowed domain · Create a custom profile field
Messages
19
8 read · 9 write · 2 destructive
Get messages · Send a message · Fetch a single message · Edit a message
Drafts
8
2 read · 4 write · 2 destructive
Create drafts · Create a saved snippet · Get all saved snippets · Edit a draft
Invites
6
1 read · 3 write · 2 destructive
Create a reusable invitation link · Get all invitations · Resend an email invitation · Send invitations
Mobile
6
0 read · 5 write · 1 destructive
Send an E2EE test notification to mobile device(s) · Register a logged-in device · Register E2EE push device · Register E2EE push device to bouncer
Navigation views
4
1 read · 2 write · 1 destructive
Add a navigation view · Get all navigation views · Update the navigation view · Remove a navigation view

4 more areas · 13 actions

Scheduled messages 4
Bots 3
Real time events 3
Reminders 3

Top actions

The Zulip API, shaped for agents.

The ids your agent types, what each does, and the one name it shares with other systems. 22 of Zulip's 22 action names are shared with at least one other connector, so an agent learns them once.

Action	What it does	Effect	Same name in
`zulip.users.get_users`Get users	Get users.	read	`identity.user.list`474 connectors
`zulip.users.get_user_groups`Get user groups	Get user groups.	read	`identity.group.list`262 connectors
`zulip.messages.get_messages`Get messages	Get messages.	read	`comm.message.list`42 connectors
`zulip.channels.get_streams`Get all channels	Get all channels.	read	`comm.channel.list`27 connectors
`zulip.users.create_user`Create a user	Create a user.	write	`identity.user.create`262 connectors
`zulip.users.create_user_group`Create a user group	Create a user group.	write	`identity.group.create`205 connectors
`zulip.messages.send_message`Send a message	Send a message.	write	`comm.message.send`25 connectors
`zulip.channels.create_channel`Create a channel	Create a channel.	write	`comm.channel.create`16 connectors
`zulip.messages.delete_message`Delete a message	Delete a message.	destructive	`comm.message.delete`27 connectors
`zulip.users.get_own_user`Get own user	Get own user.	read	`identity.current_user.get`307 connectors
`zulip.users.get_user_group_members`Get user group members	Get user group members.	read	`identity.group_member.list`103 connectors
`zulip.users.update_user_group_members`Update user group members	Update user group members.	write	`identity.group_member.update`34 connectors

Try it

Prompts to paste into Claude.

Each one names the Zulip actions it will call, so you know what it reads and what it changes before you send it.

Readread
Who has access in Zulip? List every user and their role.
callszulip.users.get_users
Writewrite
Create a user in Zulip. Show me exactly what you will send before you save it.
callszulip.users.create_user

Governance for Zulip

Destructive actions wait for a yes.

35 Zulip actions are destructive. The first 10:

Delete a messagezulip.messages.delete_message
Remove an emoji reactionzulip.messages.remove_reaction
Unmute a userzulip.users.unmute_user
Delete a draftzulip.drafts.delete_draft
Delete your profile picturezulip.users.delete_avatar
Unsubscribe from a channelzulip.channels.unsubscribe
Delete a topiczulip.channels.delete_topic
Deactivate a userzulip.users.deactivate_user
Remove an FCM registration tokenzulip.users.remove_fcm_token
Remove a bot's stored datazulip.bots.remove_bot_storage

A destructive action runs only with confirm: true. Under the human policy the agent cannot confirm for itself: the run stops until a named person approves, in the console or from a signed link in an email. The cap on a key is refused before the call is sent, never after.

dozulip.messages.delete_messageconfirm_policy: human

Delete a message?

intent: the user asked me to delete a message

run suspended · waiting for a named person · key zulip-agent cannot confirm itself

In the console, or from an emailed signed link.

a key for this connector

account {  op: "keys.create", name: "zulip-agent",  allowed_actions: ["zulip.*"], cap_calls: 2000,  confirm_policy: "human_for_writes",  approval_rules: [    { match: "zulip.messages.delete_message", approver: "[email protected]" },    { match: "zulip.messages.remove_reaction", approver: "[email protected]" },    { match: "zulip.users.unmute_user", approver: "[email protected]" }  ]}

Illustrative. Scoped to Zulip only, capped at 2,000 upstream calls, every write confirmed, and the destructive ones approved by a named person.

Cost

What Zulip costs on actionlake.

Every Zulip action is one upstream call, the only thing actionlake bills. Searching, check, cost, account and any call Zulip refused with 401, 403, 429 or a 5xx are free. Paid plans start at US$49 a month for 250,000 calls, with overage from US$0.30 down to US$0.18 per 1,000.

1upstream call per actionall 156 Zulip actions
156actions pageeach page of a long list is one call
40reads can be cacheda cache hit costs nothing
100,000calls a month, freepaid plans from US$49 a month for 250,000

See pricing

Action index

Every Zulip action.

156 actions by area: the id your agent calls, what it does, and its effect.

Users44

zulip.users.add_alert_wordsAdd alert wordswrite
zulip.users.add_apns_tokenAdd an APNs device tokenwrite
zulip.users.add_fcm_tokenAdd an FCM registration tokenwrite
zulip.users.create_userCreate a userwrite
zulip.users.create_user_groupCreate a user groupwrite
zulip.users.deactivate_own_userDeactivate own userdestructive
zulip.users.deactivate_userDeactivate a userdestructive
zulip.users.deactivate_user_groupDeactivate a user groupdestructive
zulip.users.delete_avatarDelete your profile picturedestructive
zulip.users.get_alert_wordsGet all alert wordsread
zulip.users.get_attachmentsGet attachmentsread
zulip.users.get_bot_api_keyGet a bot's API keyread
zulip.users.get_is_user_group_memberGet user group membership statusread
zulip.users.get_own_userGet own userread
zulip.users.get_userGet a userread
zulip.users.get_user_by_emailGet a user by emailread
zulip.users.get_user_group_membersGet user group membersread
zulip.users.get_user_group_subgroupsGet subgroups of a user groupread
zulip.users.get_user_groupsGet user groupsread
zulip.users.get_user_presenceGet a user's presenceread
zulip.users.get_user_statusGet a user's statusread
zulip.users.get_usersGet usersread
zulip.users.mute_userMute a userwrite
zulip.users.reactivate_userReactivate a userwrite
zulip.users.regenerate_api_keyRegenerate your API keydestructive
zulip.users.regenerate_bot_api_keyRegenerate a bot's API keydestructive
zulip.users.remove_alert_wordsRemove alert wordsdestructive
zulip.users.remove_apns_tokenRemove an APNs device tokendestructive
zulip.users.remove_attachmentDelete an attachmentdestructive
zulip.users.remove_fcm_tokenRemove an FCM registration tokendestructive
zulip.users.remove_profile_dataRemove your profile datadestructive
zulip.users.set_typing_statusSet "typing" statuswrite
zulip.users.set_typing_status_for_message_editSet "typing" status for message editingwrite
zulip.users.unmute_userUnmute a userdestructive
zulip.users.update_presenceUpdate your presencewrite
zulip.users.update_profile_dataUpdate your profile datawrite
zulip.users.update_settingsUpdate settingswrite
zulip.users.update_statusUpdate your statuswrite
zulip.users.update_status_for_userUpdate user statuswrite
zulip.users.update_userUpdate a userwrite
zulip.users.update_user_by_emailUpdate a user by emailwrite
zulip.users.update_user_groupUpdate a user groupwrite
zulip.users.update_user_group_membersUpdate user group memberswrite
zulip.users.update_user_group_subgroupsUpdate subgroups of a user groupwrite

Channels29

zulip.channels.add_default_streamAdd a default channelwrite
zulip.channels.archive_streamArchive a channeldestructive
zulip.channels.create_big_blue_button_video_callCreate BigBlueButton video callread
zulip.channels.create_channelCreate a channelwrite
zulip.channels.create_channel_folderCreate a channel folderwrite
zulip.channels.create_constructor_groups_video_callCreate Constructor Groups video callwrite
zulip.channels.create_nextcloud_talk_video_callCreate Nextcloud Talk video callwrite
zulip.channels.create_webex_video_callCreate Webex video callwrite
zulip.channels.delete_topicDelete a topicdestructive
zulip.channels.get_channel_foldersGet channel foldersread
zulip.channels.get_stream_by_idGet a channel by IDread
zulip.channels.get_stream_email_addressGet channel's email addressread
zulip.channels.get_stream_idGet channel IDread
zulip.channels.get_stream_topicsGet topics in a channelread
zulip.channels.get_streamsGet all channelsread
zulip.channels.get_subscribersGet channel subscribersread
zulip.channels.get_subscription_statusGet subscription statusread
zulip.channels.get_subscriptionsGet subscribed channelsread
zulip.channels.get_user_channelsGet a user's subscribed channelsread
zulip.channels.mute_topicTopic mutingwrite
zulip.channels.patch_channel_foldersReorder channel folderswrite
zulip.channels.remove_default_streamRemove a default channeldestructive
zulip.channels.subscribeSubscribe to a channelwrite
zulip.channels.unsubscribeUnsubscribe from a channeldestructive
zulip.channels.update_channel_folderUpdate a channel folderwrite
zulip.channels.update_streamUpdate a channelwrite
zulip.channels.update_subscription_propertyUpdate a subscription settingwrite
zulip.channels.update_subscription_settingsBulk update subscription settingswrite
zulip.channels.update_user_topicUpdate personal preferences for a topicwrite

Server and organizations27

zulip.server_and_organizations.add_code_playgroundAdd a code playgroundwrite
zulip.server_and_organizations.add_linkifierAdd a linkifierwrite
zulip.server_and_organizations.add_realm_domainAdd an allowed domainwrite
zulip.server_and_organizations.create_custom_profile_fieldCreate a custom profile fieldwrite
zulip.server_and_organizations.deactivate_custom_emojiDeactivate custom emojidestructive
zulip.server_and_organizations.deactivate_realmDeactivate an organizationdestructive
zulip.server_and_organizations.delete_custom_profile_fieldDelete a custom profile fielddestructive
zulip.server_and_organizations.delete_realm_domainRemove an allowed domaindestructive
zulip.server_and_organizations.delete_realm_exportDelete a data exportdestructive
zulip.server_and_organizations.export_realmCreate a data exportwrite
zulip.server_and_organizations.get_custom_emojiGet all custom emojiread
zulip.server_and_organizations.get_custom_profile_fieldsGet all custom profile fieldsread
zulip.server_and_organizations.get_linkifiersGet linkifiersread
zulip.server_and_organizations.get_presenceGet presence of all usersread
zulip.server_and_organizations.get_realm_domainsGet allowed domainsread
zulip.server_and_organizations.get_realm_export_consentsGet data export consent stateread
zulip.server_and_organizations.get_realm_exportsGet all data exportsread
zulip.server_and_organizations.get_server_settingsGet server settingsread
zulip.server_and_organizations.patch_realm_domainUpdate an allowed domainwrite
zulip.server_and_organizations.remove_code_playgroundRemove a code playgrounddestructive
zulip.server_and_organizations.remove_linkifierRemove a linkifierdestructive
zulip.server_and_organizations.reorder_custom_profile_fieldsReorder custom profile fieldswrite
zulip.server_and_organizations.reorder_linkifiersReorder linkifierswrite
zulip.server_and_organizations.test_welcome_bot_custom_messageTest welcome bot custom messagewrite
zulip.server_and_organizations.update_custom_profile_fieldUpdate a custom profile fieldwrite
zulip.server_and_organizations.update_linkifierUpdate a linkifierwrite
zulip.server_and_organizations.update_realm_user_settings_defaultsUpdate realm-level defaults of user settingswrite

Messages19

zulip.messages.add_reactionAdd an emoji reactionwrite
zulip.messages.check_messages_match_narrowCheck if messages match a narrowread
zulip.messages.check_thumbnail_statusCheck thumbnail statusread
zulip.messages.delete_messageDelete a messagedestructive
zulip.messages.get_file_temporary_urlGet public temporary URL for an uploaded fileread
zulip.messages.get_messageFetch a single messageread
zulip.messages.get_message_historyGet a message's edit historyread
zulip.messages.get_messagesGet messagesread
zulip.messages.get_read_receiptsGet a message's read receiptsread
zulip.messages.mark_all_as_readMark all messages as readwrite
zulip.messages.mark_stream_as_readMark messages in a channel as readwrite
zulip.messages.mark_topic_as_readMark messages in a topic as readwrite
zulip.messages.remove_reactionRemove an emoji reactiondestructive
zulip.messages.render_messageRender a messageread
zulip.messages.report_messageReport a messagewrite
zulip.messages.send_messageSend a messagewrite
zulip.messages.update_messageEdit a messagewrite
zulip.messages.update_message_flagsUpdate personal message flagswrite
zulip.messages.update_message_flags_for_narrowUpdate personal message flags for narrowwrite

Drafts8

zulip.drafts.create_draftsCreate draftswrite
zulip.drafts.create_saved_snippetCreate a saved snippetwrite
zulip.drafts.delete_draftDelete a draftdestructive
zulip.drafts.delete_saved_snippetDelete a saved snippetdestructive
zulip.drafts.edit_draftEdit a draftwrite
zulip.drafts.edit_saved_snippetEdit a saved snippetwrite
zulip.drafts.get_draftsGet draftsread
zulip.drafts.get_saved_snippetsGet all saved snippetsread

Invites6

zulip.invites.create_invite_linkCreate a reusable invitation linkwrite
zulip.invites.get_invitesGet all invitationsread
zulip.invites.resend_email_inviteResend an email invitationwrite
zulip.invites.revoke_email_inviteRevoke an email invitationdestructive
zulip.invites.revoke_invite_linkRevoke a reusable invitation linkdestructive
zulip.invites.send_invitesSend invitationswrite

Mobile6

zulip.mobile.e2ee_test_notifySend an E2EE test notification to mobile device(s)write
zulip.mobile.register_client_deviceRegister a logged-in devicewrite
zulip.mobile.register_push_deviceRegister E2EE push devicewrite
zulip.mobile.register_remote_push_deviceRegister E2EE push device to bouncerwrite
zulip.mobile.remove_client_deviceRemove a registered devicedestructive
zulip.mobile.test_notifySend a test notification to mobile device(s)write

Navigation views4

zulip.navigation_views.add_navigation_viewAdd a navigation viewwrite
zulip.navigation_views.edit_navigation_viewUpdate the navigation viewwrite
zulip.navigation_views.get_navigation_viewsGet all navigation viewsread
zulip.navigation_views.remove_navigation_viewRemove a navigation viewdestructive

Scheduled messages4

zulip.scheduled_messages.create_scheduled_messageCreate a scheduled messagewrite
zulip.scheduled_messages.delete_scheduled_messageDelete a scheduled messagedestructive
zulip.scheduled_messages.get_scheduled_messagesGet scheduled messagesread
zulip.scheduled_messages.update_scheduled_messageEdit a scheduled messagewrite

Bots3

zulip.bots.get_bot_storageGet a bot's stored dataread
zulip.bots.remove_bot_storageRemove a bot's stored datadestructive
zulip.bots.update_bot_storageUpdate a bot's stored datawrite

Real time events3

zulip.real_time_events.delete_queueDelete an event queuedestructive
zulip.real_time_events.get_eventsGet events from an event queueread
zulip.real_time_events.register_queueRegister an event queuewrite

Reminders3

zulip.reminders.create_message_reminderCreate a message reminderwrite
zulip.reminders.delete_reminderDelete a reminderdestructive
zulip.reminders.get_remindersGet remindersread

Questions

The Zulip MCP server, answered.

Is there a Zulip MCP server for Claude?

Yes. actionlake is an MCP gateway: a remote MCP server that gives Claude, or another MCP client, 156 Zulip actions across users, channels, server and organizations and messages, through the same eight tools it uses for every other connector. actionlake is independent; it is not made or endorsed by Zulip.

What do I need to connect Zulip?

The Zulip API email of the user or bot (for bots, the bot's email such as [email protected]) and The API key of that user or bot (Personal settings > Account & privacy > API key, or the bot's key under Personal…. Plus your host. The free call account { op: "connections.requirements", service: "zulip" } lists exactly what to paste.

Can an AI agent delete or change things in Zulip?

Only if its key allows it, and only with an explicit confirmation. 35 Zulip actions are destructive, including delete a message, remove an emoji reaction and unmute a user. Each runs only with confirm: true. Under the human confirm policy, or an approval rule on the key, the run waits until a named person approves it.

Will an AI agent use up my Zulip API limit?

actionlake paces every call to the limits in the Zulip service file: 200 calls a minute per connection. Repeated reads are answered from cache (40 Zulip actions can be), which never reaches Zulip.

What does a Zulip action cost?

One upstream call, the only unit actionlake bills. A list that pages bills one call per page (156 Zulip actions page). Cache hits, searches, dry runs and calls Zulip refused with 401, 403, 429 or a 5xx are free. The Free plan includes 100,000 calls a month with no card. Paid plans start at US$49 a month for 250,000 calls, with overage from US$0.30 down to US$0.18 per 1,000.

Which Zulip API does it cover?

The Zulip REST API v1 (OpenAPI 3.0.1, 1.0.0) at your Zulip instance's API base URL, which you enter when connecting (path /api/v1). It is built from Zulip's documentation as read on 23 October 2026. 156 actions in 12 areas, each one in the signed service file (version 1.0.0).

Does actionlake keep my Zulip data, and where?

actionlake processes and stores data in Sydney, Australia; there is no US region yet. Reads may be cached for up to 5 minutes, and a write clears the reads it affects. Each run's request and response is kept, sealed, for your plan's trace window: 1 day on Free, 3 days on Starter, 7 days on Pro, 14 days on Team, 30 days on Business and 30 days on Enterprise. Your Zulip credential is sealed under your tenant's key, never logged and never returned. Your traffic is not used to train models.

Which AI clients can use it?

Claude Code, tested by us end to end, and the Claude app as a custom connector, tested by us with an existing key. Other MCP clients that support remote servers over Streamable HTTP (MCP revisions 2025-06-18 and 2025-11-25) and OAuth dynamic client registration, or a bearer header, should connect the same way; we have not tested them. Or plain REST, under the same action names.

Give your agent Zulip today.

Connect Zulip free See pricing

Start free - 100,000 calls/month, no card. No signup. Hard caps on every key. Cached answers are free.

Zulip MCP server for AI agents.

Connect Zulip in three steps.

Add actionlake to Claude.

Connect Zulip.

Make the first call. Check before a write.

What an AI agent can do in Zulip.

Users

Channels

Server and organizations

Messages

Drafts

Invites

Mobile

Navigation views