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The GreenTick MCP server lets an assistant use your WhatsApp Business account. It calls the Developer API with your API key. You describe the job in plain language. The assistant discovers the tools, calls them, and reports the result. The server address is https://api.greentick.ai/mcp. That host is the WhatsApp server. The /mcp path on this docs site is a separate search server for the documentation, and it cannot send WhatsApp messages. The server is included on Starter, Standard, and Premium. An expired plan rejects every tool call with PLAN_EXPIRED.

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How it works

GreenTick sends a fixed set of instructions with the server. The assistant does not send, publish, schedule, enroll, or enable anything until you ask for that action in the conversation. Those stop conditions are written out in Rules.

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What you can ask it to do

Each job also has its own page under Use cases. Those pages are separate URLs, with the prompt to paste and the tools the assistant calls.

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Authentication

Create a key in Developer. The secret starts with gt_live_ and is shown once. It belongs to the WhatsApp Business account you had selected. Send it on every request as Authorization: Bearer gt_live_…. A bare key, without the Bearer prefix, is rejected. Do not put the key in the URL. Client files for Claude, Cursor, and VS Code are on Client setup. A GET to https://api.greentick.ai/mcp without a key only reports that a server named greentick exists. Listing and calling tools still needs the Bearer key.

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Quick example

Ask:
A connected assistant calls list_templates and returns the approved set. Sending one of those templates is a separate request, covered in Send an approved template.

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FAQ

No. send_message, schedule_broadcast, publish_workflow, publish_flow, send_flow, enroll_automation, and enable_ai_bot run only after you ask for that action in the conversation. Reading tools, such as list_templates and list_contacts, do not need a separate yes.
Yes. Connect https://api.greentick.ai/mcp yourself with an API key. You do not wait for that card. See Client setup.
An expired plan returns 403 with PLAN_EXPIRED. The assistant does not retry until you renew on Manage Plan. A missing or revoked key returns 401 with UNAUTHORIZED. Create a new key in Developer and update the client header.
No. Claude, Cursor, or whichever client you use provides the model. GreenTick only checks the gt_live_ key.