OpenPhone MCP by usefulapi
Send and read OpenPhone messages, calls, contacts and phone numbers.
Connect it
Settings → Connectors → Add custom connector
URL: https://openphone.usefulapi.io/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://openphone.usefulapi.io/mcp{
"mcpServers": {
"openphone": {
"url": "https://openphone.usefulapi.io/mcp"
}
}
}claude mcp add --transport http openphone https://openphone.usefulapi.io/mcp{
"servers": {
"openphone": {
"type": "http",
"url": "https://openphone.usefulapi.io/mcp"
}
}
}16 tools, verified live
openphone_list_phone_numbersread-onlyList the OpenPhone numbers in the workspace (id, number, name, formatted number, assigned users, restrictions). Usually the first call — most other tools need a phoneNumberId. OpenPhone REST: GET /phone-numbers.
openphone_list_usersread-onlyList workspace users (id, email, name, role). Use to find a userId for scoping other calls. OpenPhone REST: GET /users.
openphone_list_contactsread-onlyList contacts in the workspace, optionally filtered by external ids or sources. Returns each contact's default fields (name, company, emails, phone numbers) and custom fields. OpenPhone REST: GET /contacts.
openphone_get_contactread-onlyGet a single contact by its id, including default fields (name, company, role, emails, phone numbers) and custom fields. OpenPhone REST: GET /contacts/{id}.
openphone_get_contact_custom_fieldsread-onlyList the workspace's contact custom-field definitions (name, key, type). Use the returned keys when creating contacts with custom fields. OpenPhone REST: GET /contact-custom-fields.
openphone_list_conversationsread-onlyList conversations (threads), most-recent activity first, optionally filtered by phone number(s), user, and created/updated date ranges. Each conversation has participants, assignee, and last-activity metadata. OpenPhone REST: GET /conversations.
openphone_list_messagesread-onlyList messages in a conversation between one of your OpenPhone numbers and one or more participants. Returns text, direction, status and timestamps. OpenPhone REST: GET /messages.
openphone_get_messageread-onlyGet a single message by its id (starts with 'AC'). OpenPhone REST: GET /messages/{id}.
openphone_send_messagecan modifySend an SMS/text message from one of your OpenPhone numbers to up to 10 recipients. WRITE ACTION — this actually sends a real text message (which may incur carrier cost and requires approved A2P 10DLC registration). OpenPhone REST: POST /messages.
openphone_list_callsread-onlyList calls between one of your OpenPhone numbers and a participant, newest first, optionally filtered by user and created date range. Returns direction, status, duration and timestamps. OpenPhone REST: GET /calls.
openphone_get_callread-onlyGet a single call by its id (starts with 'AC') — direction, status, duration, participants and timestamps. OpenPhone REST: GET /calls/{id}.
openphone_get_call_summaryread-onlyGet the AI-generated summary and next steps for a call by its id. Availability depends on your plan and whether the call was summarized. OpenPhone REST: GET /call-summaries/{callId}.
openphone_get_call_transcriptread-onlyGet the transcription for a call by its id — dialogue segments with speaker, text and timestamps, plus overall status and duration. OpenPhone REST: GET /call-transcripts/{id}.
openphone_get_call_recordingsread-onlyGet the recordings for a call by its id — each with a URL, duration, start time and status. OpenPhone REST: GET /call-recordings/{callId}.
openphone_list_webhooksread-onlyList all webhooks configured in the workspace (id, url, events, status). Read-only inventory — this tool does not create or delete webhooks. OpenPhone REST: GET /webhooks.
openphone_create_contactcan modifyCreate a new contact in the workspace. WRITE ACTION — this adds a persistent contact record. Emails and phoneNumbers are passed as simple string arrays and stored under default field labels. OpenPhone REST: POST /contacts.
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