Sinch Build for Codex

What you can ask

• Build an RCS rich card with images, buttons, and SMS fallback using the Sinch Conversation API.Copy

  Example path get-full-api-description · Sinch rcs skill

• Build an IVR phone menu with Sinch that routes callers to sales or support.
• Help me add SMS OTP phone number verification to my app using Sinch

MCP connector

Server URL

https://developers.sinch.com/mcpCopy

Login

None

Protocol

MCP 2026-07-28

Instructions

This server exposes documentation tools (API discovery, endpoint details, security schemes, full-text search) through describe-tools and execute:

describe-tools returns the exact TypeScript signatures of the sandbox tools.

execute runs JavaScript that calls those tools on the global tools object. Workflow: analyze the request, call describe-tools once with tools set to only the names it needs, then batch everything into a single execute script. Minimize round-trips and never guess tool signatures.

Available tools (exact signatures come from describe-tools):

listApis — Lists the APIs documented in this project

getEndpoints — Get all endpoints for a specific API. When several definiti…

getEndpointInfo — Get comprehensive information about specific endpoint inclu…

getSecuritySchemes — Get the security schemes for a specific API. When several d…

Show all

Tools

Skills

29 in the ChatGPT listing

• Sinch 10dlcRegisters US 10DLC brands and campaigns with Sinch for A2P SMS messaging.
• Sinch authenticationConfigures Sinch API credentials and authentication.
• Sinch cliTerminal commands for the Sinch CLI (`sinch`, npm `@sinch/cli`).
• Sinch conversation apiSends and receives omnichannel messages via the Sinch Conversation API across SMS, MMS, RCS, WhatsApp, Viber, Facebook Messenger, Instagram, Telegram, KakaoTalk, LINE, and WeChat.
• Sinch elastic sip trunkingProvisions SIP trunks, endpoints, ACLs, credential lists, and phone numbers via the Sinch Elastic SIP Trunking REST API.
• Sinch fax apiSend and receive faxes programmatically with Sinch Fax API.
• Sinch functionsSinch Functions, the beta serverless platform for voice, SMS and conversation apps.
• Sinch functions dotnetWrite C#/.NET Sinch Functions with the `Sinch.Functions.Runtime` NuGet package.
• Sinch functions nodeWrite Node.js/TypeScript Sinch Functions with `@sinch/functions-runtime`.
• Sinch helpShow an overview of the Sinch Build product guides and documentation search available in this plugin
• Sinch imported numbers hosting ordersImport, host, qualify, and text-enable phone numbers for Sinch SMS using the Imported Numbers and Hosting Orders API.
• Sinch in app callingIntegrate Sinch In-App Voice and Video SDK for real-time calling in Android, iOS, or JavaScript apps.
• Sinch mailgunSends, receives, and tracks email via the Mailgun (Sinch) API.
• Sinch mailgun inspectChecks email quality before sending via Mailgun Inspect API.
• Sinch mailgun optimizeMonitors email deliverability via Mailgun Optimize (InboxReady) API.
• Sinch mailgun validateBuild with Mailgun Validate API for email verification and list hygiene.
• Sinch mmsSends MMS multimedia messages (images, video, audio, PDFs, vCards) via the MMS channel of the Sinch Conversation API.
• Sinch number lookup apiLooks up phone number details via Sinch Number Lookup API.
• Sinch number order apiGuides the multi-step Number Order workflow for purchasing phone numbers with KYC compliance via the Sinch Numbers API.
• Sinch numbers apiSearch, manage, and release phone numbers with the Sinch Numbers API, and route new purchases to the Number Order API.
• Sinch porting apiPort phone numbers from other carriers into Sinch with the Porting API.
• Sinch provisioning apiProvisions and manages channel resources for Conversation API projects, including WhatsApp accounts/senders/templates, RCS senders, KakaoTalk senders/templates, webhooks, and bundles.
• Sinch rcsSends RCS (Rich Communication Services) messages via the RCS channel of the Sinch Conversation API — rich cards, carousels, suggested replies and actions, media, location, and calendar actions, with automatic SMS fallback.
• Sinch sdksSinch SDK installation and client initialization for Node.js, Python, Java, and .NET.
• Sinch smsSends and receives SMS text messages via the SMS channel of the Sinch Conversation API.
• Sinch verification apiVerify phone numbers via SMS, Flashcall, Phone Call, Data (seamless carrier-level), or WhatsApp with Sinch Verification API.
• Sinch voice apiBuild voice apps with the Sinch Voice API v1.
• Sinch voice api v2Build programmable calling with the Sinch Voice API v2 (public preview).
• Sinch whatsappSends WhatsApp Business messages via the WhatsApp channel of the Sinch Conversation API — text, media, interactive, and Meta-approved template messages.