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Quo (formerly OpenPhone) MCP server for AI agents.

actionlake is an MCP gateway: one remote MCP server that connects Claude and other MCP clients to Quo (formerly OpenPhone) and the rest of your systems. It gives your agent 43 Quo (formerly OpenPhone) actions (20 reads, 19 writes and 4 that wait for a confirmation) and holds the Quo (formerly OpenPhone) credential itself, so the agent never does. It paces Quo (formerly OpenPhone)'s limits and records every call.

Connect Quo (formerly OpenPhone) freeSee 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
the first call
do {  action: "quo_openphone.tasks.list",  intent: "check which Quo (formerly OpenPhone) account is connected"}# List tasks · read · 1 upstream call
  • 43actionsin one signed file
  • 20readlook, never change
  • 19writecreate and update
  • 4wait for a yesdestructive, confirmed first

Set up

Connect Quo (formerly OpenPhone) in three steps.

  1. 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
  2. 02

    Connect Quo (formerly OpenPhone).

    API key. 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.

    • api_keyQuo API key: a workspace owner or admin opens Settings > API (quo.com workspace settings), chooses Generate API key,…
    account { op: "connections.requirements", service: "quo_openphone" }
# free: exactly what to paste, and what is found for you
  3. 03

    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: "quo_openphone.tasks.list" }# list tasks · read · 1 upstream callcheck { action: "quo_openphone.tasks.create", input: { … } }# free: inputs, permissions, cost and confirmations, nothing sent

Quo (formerly OpenPhone) at a glance

Sign-in
API key. 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
api_key
Limits we pace to
10 calls a second, per connection
API covered
Quo Public API v1 (1.0.0, OpenAPI 3.1.0)api.quo.com
Built from
Quo (formerly OpenPhone)'s documentation, read 22 October 2026openphone-public-api-prod.s3.us-west-2.amazonaws.comquo.com
Service file
Version 1.0.0, signed (Ed25519)
Cached reads
18 of 20 reads, for up to 5 minutes; a write clears what it affects
Shared entities
4, so ask can line Quo (formerly OpenPhone) up with your other systems
Data
Processed and stored in Sydney, Australia. No US region yet

Capabilities

What an AI agent can do in Quo (formerly OpenPhone).

43 actions in 17 areas. Every one carries its effect, so a key can allow the reads and hold the rest.

  • 20readlook, never change
  • 19writecreate and update
  • 4destructivewait for a confirmation

  1. Tasks

    13

    2 read · 10 write · 1 destructive

    List tasks · Create a task · Gets a task by ID · Update a task

  2. Contacts

    5

    2 read · 2 write · 1 destructive

    List contacts · Create a contact · Get a contact by ID · Update a contact by ID

  3. Conversations

    4

    1 read · 3 write · 0 destructive

    List conversations · Mark conversation as read · Mark conversation as done · Mark conversation as open

  4. Messages

    3

    2 read · 0 write · 1 destructive

    List messages · Get a message by ID · Send a text message

  5. Webhooks

    3

    2 read · 0 write · 1 destructive

    Lists all webhooks · Get a webhook by ID · Delete a webhook by ID

  6. Calls

    2

    2 read · 0 write · 0 destructive

    List calls · Get a call by ID

  7. Phone numbers

    2

    2 read · 0 write · 0 destructive

    List phone numbers · Get a phone number by ID

  8. Users

    2

    2 read · 0 write · 0 destructive

    List users · Get a user by ID

9 more areas · 9 actions
  • Call recordings 1
  • Call summaries 1
  • Call summary webhooks 1
  • Call transcript webhooks 1
  • Call transcripts 1
  • Call voicemails 1
  • Call webhooks 1
  • Contact custom fields 1
  • Message webhooks 1

Top actions

The Quo (formerly OpenPhone) API, shaped for agents.

The ids your agent types, what each does, and the one name it shares with other systems. 30 of Quo (formerly OpenPhone)'s 31 action names are shared with at least one other connector, so an agent learns them once.

ActionWhat it doesEffectSame name in
quo_openphone.tasks.listList tasksList tasks.readwork.task.list122 connectors
quo_openphone.users.listList usersList users.readidentity.user.list474 connectors
quo_openphone.tasks.createCreate a taskCreate a task.writework.task.create127 connectors
quo_openphone.calls.listList callsList calls.readcomm.call.list44 connectors
quo_openphone.tasks.updateUpdate a taskUpdate a task.writework.task.update118 connectors
quo_openphone.messages.listList messagesList messages.readcomm.sms.list19 connectors
quo_openphone.tasks.deleteDelete a task by IDDelete a task by ID.destructivework.task.delete107 connectors
quo_openphone.users.getGet a user by IDGet a user by ID.readidentity.user.get399 connectors
quo_openphone.calls.getGet a call by IDGet a call by ID.readcomm.call.get40 connectors
quo_openphone.messages.getGet a message by IDGet a message by ID.readcomm.sms.get16 connectors
quo_openphone.contacts.listList contactsList contacts.readcrm.contact.list177 connectors
quo_openphone.contacts.createCreate a contactCreate a contact.writecrm.contact.create161 connectors

Try it

Prompts to paste into Claude.

Each one names the Quo (formerly OpenPhone) actions it will call, so you know what it reads and what it changes before you send it.

  1. Readread

    Which Quo (formerly OpenPhone) tasks are overdue, and who owns each one?

    callsquo_openphone.tasks.list

  2. Writewrite

    Create a task in Quo (formerly OpenPhone). Show me exactly what you will send before you save it.

    callsquo_openphone.tasks.create

Governance for Quo (formerly OpenPhone)

Destructive actions wait for a yes.

4 Quo (formerly OpenPhone) actions are destructive. These are all of them:

  • Delete a task by IDquo_openphone.tasks.delete
  • Delete a contactquo_openphone.contacts.delete
  • Delete a webhook by IDquo_openphone.webhooks.delete
  • Send a text messagequo_openphone.messages.send

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.

doquo_openphone.tasks.deleteconfirm_policy: human

Delete a task by ID?

intent: the user asked me to delete a task by ID

run suspended · waiting for a named person · key quo-openphone-agent cannot confirm itself
In the console, or from an emailed signed link.
a key for this connector
account {  op: "keys.create", name: "quo-openphone-agent",  allowed_actions: ["quo_openphone.*"], cap_calls: 2000,  confirm_policy: "human_for_writes",  approval_rules: [    { match: "quo_openphone.tasks.delete", approver: "[email protected]" },    { match: "quo_openphone.contacts.delete", approver: "[email protected]" },    { match: "quo_openphone.webhooks.delete", approver: "[email protected]" }  ]}
Illustrative. Scoped to Quo (formerly OpenPhone) only, capped at 2,000 upstream calls, every write confirmed, and the destructive ones approved by a named person.

Cost

What Quo (formerly OpenPhone) costs on actionlake.

Every Quo (formerly OpenPhone) action is one upstream call, the only thing actionlake bills. Searching, check, cost, account and any call Quo (formerly OpenPhone) 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 43 Quo (formerly OpenPhone) actions
  • 43actions pageeach page of a long list is one call
  • 18reads 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 Quo (formerly OpenPhone) action.

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

Tasks13
  • quo_openphone.tasks.assignAssign a user to a taskwrite
  • quo_openphone.tasks.change_due_dateChange a task's due datewrite
  • quo_openphone.tasks.completeComplete a taskwrite
  • quo_openphone.tasks.createCreate a taskwrite
  • quo_openphone.tasks.deleteDelete a task by IDdestructive
  • quo_openphone.tasks.getGets a task by IDread
  • quo_openphone.tasks.link_conversationLink a task to a conversationwrite
  • quo_openphone.tasks.listList tasksread
  • quo_openphone.tasks.remove_due_dateRemove a task's due datewrite
  • quo_openphone.tasks.reopenReopen a taskwrite
  • quo_openphone.tasks.unassignUnassign a user from a taskwrite
  • quo_openphone.tasks.unlink_conversationUnlink a task from a conversationwrite
  • quo_openphone.tasks.updateUpdate a taskwrite
Contacts5
  • quo_openphone.contacts.createCreate a contactwrite
  • quo_openphone.contacts.deleteDelete a contactdestructive
  • quo_openphone.contacts.getGet a contact by IDread
  • quo_openphone.contacts.listList contactsread
  • quo_openphone.contacts.updateUpdate a contact by IDwrite
Conversations4
  • quo_openphone.conversations.listList conversationsread
  • quo_openphone.conversations.mark_as_doneMark conversation as donewrite
  • quo_openphone.conversations.mark_as_openMark conversation as openwrite
  • quo_openphone.conversations.mark_as_readMark conversation as readwrite
Messages3
  • quo_openphone.messages.getGet a message by IDread
  • quo_openphone.messages.listList messagesread
  • quo_openphone.messages.sendSend a text messagedestructive
Webhooks3
  • quo_openphone.webhooks.deleteDelete a webhook by IDdestructive
  • quo_openphone.webhooks.getGet a webhook by IDread
  • quo_openphone.webhooks.listLists all webhooksread
Calls2
  • quo_openphone.calls.getGet a call by IDread
  • quo_openphone.calls.listList callsread
Phone numbers2
  • quo_openphone.phone_numbers.getGet a phone number by IDread
  • quo_openphone.phone_numbers.listList phone numbersread
Users2
  • quo_openphone.users.getGet a user by IDread
  • quo_openphone.users.listList usersread
Call recordings1
  • quo_openphone.call_recordings.listGet recordings for a callread
Call summaries1
  • quo_openphone.call_summaries.getGet a summary for a callread
Call summary webhooks1
  • quo_openphone.call_summary_webhooks.createCreate a new webhook for call summarieswrite
Call transcript webhooks1
  • quo_openphone.call_transcript_webhooks.createCreate a new webhook for call transcriptswrite
Call transcripts1
  • quo_openphone.call_transcripts.getGet a transcription for a callread
Call voicemails1
  • quo_openphone.call_voicemails.getGet a voicemail for a callread
Call webhooks1
  • quo_openphone.call_webhooks.createCreate a new webhook for callswrite
Contact custom fields1
  • quo_openphone.contact_custom_fields.listGet contact custom fieldsread
Message webhooks1
  • quo_openphone.message_webhooks.createCreate a new webhook for messageswrite

Questions

The Quo (formerly OpenPhone) MCP server, answered.

Is there a Quo (formerly OpenPhone) MCP server for Claude?

Yes. actionlake is an MCP gateway: a remote MCP server that gives Claude, or another MCP client, 43 Quo (formerly OpenPhone) actions across tasks, contacts, conversations and messages, through the same eight tools it uses for every other connector. actionlake is independent; it is not made or endorsed by Quo (formerly OpenPhone).

What do I need to connect Quo (formerly OpenPhone)?

Quo API key: a workspace owner or admin opens Settings > API (quo.com workspace settings), chooses Generate API key,…. The free call account { op: "connections.requirements", service: "quo_openphone" } lists exactly what to paste.

Can an AI agent delete or change things in Quo (formerly OpenPhone)?

Only if its key allows it, and only with an explicit confirmation. 4 Quo (formerly OpenPhone) actions are destructive, including delete a task by ID, delete a contact and delete a webhook by ID. 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 Quo (formerly OpenPhone) API limit?

actionlake paces every call to the limits in the Quo (formerly OpenPhone) service file: 10 calls a second per connection. Repeated reads are answered from cache (18 Quo (formerly OpenPhone) actions can be), which never reaches Quo (formerly OpenPhone).

What does a Quo (formerly OpenPhone) action cost?

One upstream call, the only unit actionlake bills. A list that pages bills one call per page (43 Quo (formerly OpenPhone) actions page). Cache hits, searches, dry runs and calls Quo (formerly OpenPhone) 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 Quo (formerly OpenPhone) API does it cover?

The Quo Public API v1 (1.0.0, OpenAPI 3.1.0) at api.quo.com. It is built from Quo (formerly OpenPhone)'s documentation as read on 22 October 2026. 43 actions in 17 areas, each one in the signed service file (version 1.0.0).

Does actionlake keep my Quo (formerly OpenPhone) 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 Quo (formerly OpenPhone) 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.

More connectors like Quo (formerly OpenPhone)

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Browse

actionlake is independent. It is not made or endorsed by Quo (formerly OpenPhone); the name is the vendor's own. Counts are from the Quo (formerly OpenPhone) service file, version 1.0.0.

Give your agent Quo (formerly OpenPhone) today.

Connect Quo (formerly OpenPhone) freeSee pricing

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