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Cómo conectar LINE Messaging API a Gemini — via MCP

Send push, reply and broadcast messages from a LINE Official Account — LINE is the dominant chat platform in Japan, Taiwan and Thailand. Free tier of 500 push messages per month, unlimited reply messages, channel access tokens require no KYC.

HCBy HelpCode teamUpdated 2 min read Open source on GitHub

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LINE Messaging API

MCP connector

LINE Messaging API

Send push, reply and broadcast messages from a LINE Official Account — LINE is the dominant chat platform in Japan, Taiwan and Thailand. Free tier of 500 push messages per month, unlimited reply messages, channel access tokens require no KYC.

Tools

4

Region

JP

Category

Messaging

Authentication

Bearer Token

Required env vars

LINE_CHANNEL_ACCESS_TOKEN
Install in one click on Cloud

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  • 7-day free trial
    No credit card required
  • GDPR & SOC 2 ready
    EU data residency, audit logs
  • Open-source on GitHub
    Source-available BSL-1.1
  • Works with ChatGPT, Claude, Gemini
    Any MCP-compatible client

No install? Use cloud.anythingmcp.com directly.

Sign in, install the LINE Messaging API in one click, paste the credentials, mint an MCP API key — done. No Docker, no git clone, no local server to run.

Open Cloud

TL;DR

Send push, reply and broadcast messages from a LINE Official Account — LINE is the dominant chat platform in Japan, Taiwan and Thailand. Free tier of 500 push messages per month, unlimited reply messages, channel access tokens require no KYC.

💡 ¿Sin instalación? Usa cloud.anythingmcp.com directamente. Inicia sesión, pulsa Connectors → LINE Messaging API, pega tus credenciales, genera una MCP API key — listo. Sin Docker, sin git clone, sin servidor local.

LINE Messaging API + Gemini

Send push, reply and broadcast messages from a LINE Official Account — LINE is the dominant chat platform in Japan, Taiwan and Thailand. Free tier of 500 push messages per month, unlimited reply messages, channel access tokens require no KYC.

Requisitos previos

Las instrucciones de configuración completas están incluidas en el conector (visibles en el store al seleccionarlo). Las variables de entorno requeridas:

LINE_CHANNEL_ACCESS_TOKEN

Paso 1 — Obtener credenciales

Creating a channel: log in to https://developers.line.biz/console → create a Provider → 'Create a new channel' → 'Messaging API'. Set up the LINE Official Account (auto-created with the channel), then under the channel's 'Messaging API' tab, scroll to 'Channel access token' → 'Issue' a long-lived token. Paste it as LINE_CHANNEL_ACCESS_TOKEN.

Authentication: Bearer Token (the channel access token). Note: this token belongs to the channel, not to a user — anyone with the token can post as that Official Account, so keep it secret.

…(continued in the in-app connector instructions)

Paso 2 — Instalar el adapter

git clone https://github.com/HelpCode-ai/anythingmcp.git
cd anythingmcp && docker compose up -d

Paso 3 — Añadir el conector en Gemini

Gemini CLI lee servidores MCP desde ~/.gemini/settings.json (o %APPDATA%\gemini\settings.json en Windows). Añade:

{
  "mcpServers": {
    "anythingmcp": {
      "httpUrl": "https://cloud.anythingmcp.com/mcp",
      "headers": { "Authorization": "Bearer YOUR_MCP_API_KEY" }
    }
  }
}
  1. Obtén tu MCP API key desde AnythingMCP → Perfil → MCP API Keys → Nueva Key.
  2. Guarda el archivo y reinicia gemini.
  3. Ejecuta /mcp en la Gemini CLI — LINE Messaging API debería aparecer como disponible.
  4. Vertex AI Studio: pasa https://cloud.anythingmcp.com/mcp al array tools de tu petición con el mismo header Bearer.

Herramientas disponibles

ToolWhat it does
line_push_messageSend a push message to a specific userId, groupId, or roomId
line_reply_messageReply to a webhook-received message using its replyToken
line_get_profileGet a user's display name, profile picture URL, status message and BCP-47 language tag
line_broadcast_messageBroadcast a message to ALL friends of the Official Account

FAQ

¿Gemini 1.5 Pro o 2.x soportan MCP? Sí — Gemini CLI ≥ 0.4 y la API de tools de Vertex AI aceptan conectores MCP httpUrl con header Bearer.

Siguientes pasos

¿Te ha sido útil esta guía?

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