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How to Connect SendGrid to Gemini — via MCP

Send transactional and marketing emails via SendGrid's v3 API from any AI agent. 14 tools covering send, templates, stats, suppressions, contacts and marketing lists. Bearer-token auth, EU + Global datacenter support.

HCBy HelpCode teamUpdated 3 min read Open source on GitHub

No credit card · 7-day trial · Self-host alternative available

SendGrid

MCP connector

SendGrid

Send transactional and marketing emails via SendGrid's v3 API from any AI agent. 14 tools covering send, templates, stats, suppressions, contacts and marketing lists. Bearer-token auth, EU + Global datacenter support.

Tools

14

Region

INTL

Category

email

Authentication

Bearer Token

Required env vars

SENDGRID_API_KEY
Install in one click on Cloud

7-day free trial · No credit card

  • 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 SendGrid 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 transactional and marketing emails via SendGrid's v3 API from any AI agent. 14 tools covering send, templates, stats, suppressions, contacts and marketing lists. Bearer-token auth, EU + Global datacenter support.

💡 No install? Use cloud.anythingmcp.com directly. Sign in, click Connectors → SendGrid, paste your credentials, mint an MCP API key — done. No Docker, no git clone, no local server.

SendGrid + Gemini

Send transactional and marketing emails via SendGrid's v3 API from any AI agent. 14 tools covering send, templates, stats, suppressions, contacts and marketing lists. Bearer-token auth, EU + Global datacenter support.

Prerequisites

See the full setup instructions baked into the connector (visible in the in-app store when you select the connector). The required environment variables for this connector are:

SENDGRID_API_KEY

Step 1 — Get credentials

Setup:

  1. Sign in to SendGrid (or via Twilio's console — SendGrid is part of Twilio since 2019) → Settings → API Keys → Create API Key.
  2. Pick Restricted Access and grant at least: Mail Send (Full Access), Template Engine (Read), Stats (Read), Suppressions (Read), Marketing > Contacts (Read+Write), Marketing > Lists (Read+Write). Full Access also works but follows least-privilege poorly.
  3. Copy the key — it's shown ONCE. Set SENDGRID_API_KEY to it.
  4. (Optional) If your account is on the EU datacenter (GDPR data residency), set SENDGRID_BASE_URL to https://api.eu.sendgrid.com. Default is the global https://api.sendgrid.com.

…(continued in the in-app connector instructions)

Step 2 — Install the adapter

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

Step 3 — Add the connector in Gemini

Gemini CLI reads MCP servers from ~/.gemini/settings.json (or %APPDATA%\gemini\settings.json on Windows). Add:

{
  "mcpServers": {
    "anythingmcp": {
      "httpUrl": "https://cloud.anythingmcp.com/mcp",
      "headers": { "Authorization": "Bearer YOUR_MCP_API_KEY" }
    }
  }
}
  1. Get your MCP API key from AnythingMCP → Profile → MCP API Keys → New Key.
  2. Save the file and restart gemini.
  3. Run /mcp inside the Gemini CLI — SendGrid should be listed as available.
  4. Vertex AI Studio: pass https://cloud.anythingmcp.com/mcp to the tools array of your request with the same Bearer header.

Available tools

ToolWhat it does
sendgrid_send_mailSend a transactional or batch email via the v3 Mail Send endpoint
sendgrid_list_templatesList transactional templates (legacy or dynamic) on the account
sendgrid_get_templateFetch a single template by id, including all its versions
sendgrid_get_statsGet aggregated email statistics across a date range: requests, delivered, opens, unique_opens, clicks, unique_clicks, bounces, spam_reports,
sendgrid_list_bouncesList bounced email addresses
sendgrid_get_bounceGet the bounce details for a specific email address (reason code, timestamp, status)
sendgrid_list_invalid_emailsList addresses SendGrid rejected as malformed at submission time (not bounces — these never made it out)
sendgrid_list_spam_reportsList recipients who reported your emails as spam
sendgrid_list_marketing_contactsList marketing contacts (NOT transactional recipients — these live in the Marketing Campaigns product)
sendgrid_upsert_marketing_contactsAdd or update up to 30,000 marketing contacts in one PUT call
sendgrid_get_marketing_import_job_statusCheck the status of a contacts-upsert job returned by sendgrid_upsert_marketing_contacts
sendgrid_list_marketing_listsList all Marketing Campaigns contact lists
sendgrid_create_marketing_listCreate a new Marketing Campaigns contact list
sendgrid_search_marketing_contactsSearch marketing contacts using SendGrid Query Language (similar to SQL WHERE)

FAQ

Does Gemini 1.5 Pro or 2.x support MCP? Yes — Gemini CLI ≥ 0.4 and Vertex AI tools API both accept MCP httpUrl connectors with Bearer headers.

Next steps

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