MCP server
Rinkel MCP by usefulapi
io.usefulapi/rinkel
Checked 25 Oct 2026, 20:29 UTC · Connected to it and listed its tools
Read Rinkel calls, voicemails, contacts and numbers; add call notes, edit contacts, block numbers.
Working at last checkVerified publisher: usefulapi.ioAbout 6,210 tokens per request once connected27 tools
https://rinkel.usefulapi.io/mcp
At a glance
- Type
- MCP server
- Publisher
- usefulapi.io (verified by the MCP Registry)
- Status
- Working at last check
- Tools
- 27
- Token cost
- About 6,210 tokens per request
- Sets up in
- Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
- Last checked
- 25 Oct 2026, 20:29 UTC
Connect it to your agent
Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.
Claude Code
claude mcp add --transport http rinkel https://rinkel.usefulapi.io/mcp
Claude Desktop
Settings → Connectors → Add custom connector, and paste the URL.
Codex (config.toml)
[mcp_servers.rinkel] url = "https://rinkel.usefulapi.io/mcp"
Gemini CLI
{"mcpServers":{"rinkel":{"httpUrl":"https://rinkel.usefulapi.io/mcp"}}}
Cursor
{"mcpServers":{"rinkel":{"url":"https://rinkel.usefulapi.io/mcp"}}}
VS Code
{"servers":{"rinkel":{"type":"http","url":"https://rinkel.usefulapi.io/mcp"}}}
Antigravity
agy mcp add rinkel https://rinkel.usefulapi.io/mcp
ChatGPT
Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.
OpenAI API (Responses tools)
{"type":"mcp","server_label":"rinkel","server_url":"https://rinkel.usefulapi.io/mcp","require_approval":"always"}
Grok (xAI API tools)
{"type":"mcp","server_label":"rinkel","server_url":"https://rinkel.usefulapi.io/mcp"}
Tools
rinkel_add_call_note~180 tokens
WRITE: add a note to a call record (visible to everyone in the account who sees the call). The id is the call record's `id`; if Rinkel answers 404, retry with the record's `callId`. Rinkel API: PUT /call-detail-records/{callId}/note.rinkel_block_number~214 tokens
WRITE: block a number from calling ANY of the account's numbers. Accepts an E.164 number, 'anonymous', or a prefix wildcard such as '+31*' (a wildcard must end the value and include a country code; a broad wildcard blocks every caller from that country). Undo with rinkel_unblock_number. Rinkel API:rinkel_count_new_voicemails~72 tokens
Number of voicemails that have not been played yet. Rinkel API: GET /voicemails/new-count.rinkel_create_contact~344 tokens
WRITE: create a contact. It is shared with everyone in the Rinkel account (all users see it and calls from its numbers show its name). Rinkel API: POST /contacts.rinkel_delete_call_noteDeletes data · ~190 tokens
WRITE, irreversible: delete one note from a call record. Needs confirm=true after the user approved it. Rinkel API: DELETE /call-detail-records/{callId}/note/{noteId}.rinkel_delete_contactDeletes data · ~162 tokens
WRITE, irreversible: delete a contact for the whole account. Needs confirm=true after the user approved it. The Rinkel system contact cannot be deleted. Rinkel API: DELETE /contacts/{id}.rinkel_find_contact_by_number~139 tokens
Find the contact that owns a phone number (E.164 such as +31612345678 works best). 404 when there is none. Rinkel API: GET /contacts/find-by-number/{number}.rinkel_get_call~140 tokens
Get one call detail record by its Rinkel id (the `id` field of rinkel_list_calls): numbers, users, status, duration, notes, voicemail and call-recording ids, AI insights. Rinkel API: GET /call-detail-records/{id}.rinkel_get_call_by_network_id~161 tokens
Get one call detail record by its network `callId` (the id Rinkel sends in webhook events), optionally with insights and notes. Rinkel API: GET /call-detail-records/by-call-id/{callId}.rinkel_get_call_recording_url~164 tokens
Get a temporary URL (valid 3 hours) to stream or download a call recording. The id is `callRecording.id` of a call record. Append `download` as a query parameter to the URL to download instead of stream. Rinkel API: GET /call-recordings/{id}/stream.rinkel_get_call_transcription~148 tokens
Get the raw transcription of a call by its network `callId` (needs Rinkel AI insights on the account; 404 when the call has none). Rinkel API: GET /call-detail-records/by-call-id/{callId}/transcription.rinkel_get_contact~88 tokens
Get one contact by id. Rinkel API: GET /contacts/{id}.rinkel_get_number~136 tokens
Get one Rinkel number with its full dial plan: greeting, business hours schedule, call forwarding targets and ring logic, voice menu, call recording and caller-id settings. Rinkel API: GET /numbers/{id}.rinkel_get_user~130 tokens
Get one user by id, including preferences, notification settings, schedule and `deviceId`. Rinkel API: GET /users/{id}.rinkel_get_voicemail_url~129 tokens
Get a temporary URL (valid 3 hours) to stream or download a voicemail. The id is `voicemail.id` of a call or voicemail record. Rinkel API: GET /voicemails/{id}/stream.rinkel_list_calls~1087 tokens
List call detail records (inbound and outbound calls) with date, direction, status (ANSWERED, MISSED, VOICEMAIL, ANSWERING_SERVICE), duration, external and internal number, the users involved, notes, and (when the account has Rinkel AI insights) the AI summary and sentiment. Use for 'who called todarinkel_list_contacts~210 tokens
List the contacts shared with everyone in the account (plus the Rinkel system contact, tag 'system'): names, company, phone numbers, email. Rinkel API: GET /contacts.rinkel_list_numbers~95 tokens
List the account's Rinkel phone numbers: id, label, number, status (ACTIVE, SUSPENDED, PENDING_PORTING_IN ...), activation date and the users assigned. Rinkel API: GET /numbers.rinkel_list_recordings~226 tokens
List the uploaded audio recordings used in the dial plan (greetings, announcements, voice-over scripts): name, description, duration and where each is used. Not call recordings. Rinkel API: GET /recordings.rinkel_list_users~125 tokens
List the account's users: name, email, phone number, role (ADMIN, USER, ANSWERINGSERVICE), availability schedule and status, and `fixed`/device info (`deviceId` is needed to start a call). Rinkel API: GET /users.rinkel_list_voicemails~656 tokens
List voicemail messages (call records with status VOICEMAIL): caller, date, duration, whether new, and the voicemail id. Newest first. With is_new=true Rinkel ignores every other filter and returns only unplayed voicemails. Rinkel API: GET /voicemails.rinkel_list_webhooks~97 tokens
List the webhook subscriptions (events incomingCall, outgoingCall, callStart, callEnd, callInsights) with URL and active flag. Webhooks need the Expert plan. Rinkel API: GET /webhooks.rinkel_start_call~357 tokens
WRITE, COSTS CALL MINUTES: starts a real phone call. Rinkel rings the given user device first and, once it is answered, dials `to` using the chosen Rinkel number as caller id, so call charges apply to the account and the person called sees the number. Needs confirm=true, set only after the user explrinkel_unblock_number~129 tokens
WRITE: remove a number (or the same wildcard pattern that was blocked) from the block list so it can call again. Rinkel API: DELETE /privacy/unblock-number.rinkel_update_call_note~187 tokens
WRITE: replace the text of an existing note on a call record (the note id is in `notes[].id` of the call record). Rinkel API: PATCH /call-detail-records/{callId}/note/{noteId}.rinkel_update_contact~440 tokens
WRITE: update a contact (PUT semantics). `numbers` is required and REPLACES all stored numbers, and an omitted default_outbound_number_id CLEARS it; omitted names, company and email keep their stored value. Read the contact first (rinkel_get_contact) and resend what must stay. The system contact canrinkel_validate_phone_number~204 tokens
Check a phone number for a country and return its normalised form. With check_inventory=true Rinkel also checks whether the number is available to order. Rinkel API: GET /misc/validate-phone-number.
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