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SendGrid MCP by usefulapi MCP Server

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SendGrid MCP by usefulapi is answering right now. Last checked 11 min ago. It exposes 11 tools. Last commit 2 Nov 2026.

Send email and read templates, marketing contacts, lists, stats, bounces and unsubscribes.

Uptime history 91 days of history · worst day 0%
91 days agonow
100.0%
Uptime 24h
91 of 91 checks
11
Tools
read from the server
153 ms
Response time
average over 24h
1
Stars
last commit 2 Nov 2026

What changed 42

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 30 September 2026. No other catalogue keeps this.

2 Nov a tool changed version
31 Oct a tool changed version4 times that day
30 Oct a tool changed version2 times that day
29 Oct a tool changed version2 times that day
28 Oct a tool changed version2 times that day
27 Oct a tool changed version
25 Oct a tool changed version4 times that day
24 Oct a tool changed version3 times that day
23 Oct a tool changed version
22 Oct a tool changed version
and 32 more, back to 30 September 2026

What the code does

We read the source, 22 h ago · tools taken from the live server · rules 995398eba69f

Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

Page executes code built at runtime portal/index.html:231 
        results.innerHTML = order.map(function (g) {

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 11 min ago.

run in your terminal
claude mcp add sendgrid --transport http https://sendgrid.usefulapi.io/mcp
Settings → Connectors → Add custom connector, then paste this address
https://sendgrid.usefulapi.io/mcp
~/.codex/config.toml
[mcp_servers.sendgrid]
url = "https://sendgrid.usefulapi.io/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "sendgrid": {
      "url": "https://sendgrid.usefulapi.io/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "sendgrid": {
      "type": "http",
      "url": "https://sendgrid.usefulapi.io/mcp"
    }
  }
}

Available tools 11

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

sendgrid
sendgrid_add_or_update_contacts
UPSERTS marketing contacts (creates new ones, updates existing ones by email) and optionally adds them to lists. This is an ASYNC job — returns { job_id } you can poll. SendGrid: PUT /v3/marketing/contacts.
sendgrid_get_contact_count
Get the total number of Marketing Campaigns contacts on your account. Returns { contact_count, billable_count }. SendGrid: GET /v3/marketing/contacts/count.
sendgrid_get_stats
Get global email statistics over a date range (delivered, opens, clicks, bounces, spam reports, etc.). Returns an array of { date, stats: [{ metrics: {...} }] }. SendGrid: GET /v3/stats.
sendgrid_get_template
Get a single transactional email template by id, including its versions (subject + content). SendGrid: GET /v3/templates/{template_id}.
sendgrid_list_bounces
List bounced email addresses (the bounce suppression list). Returns an array of { created, email, reason, status }. SendGrid: GET /v3/suppression/bounces.
sendgrid_list_global_unsubscribes
List globally-unsubscribed email addresses (the global suppression list). Returns an array of { created, email }. SendGrid: GET /v3/suppression/unsubscribes.
sendgrid_list_marketing_lists
List your Marketing Campaigns contact lists, each with its id, name, and contact_count. Returns { result: [...], _metadata }. SendGrid: GET /v3/marketing/lists.
sendgrid_list_templates
List your transactional email templates (Dynamic and/or Legacy). Returns { result: [...], _metadata } — use _metadata.next / page_token to paginate. SendGrid: GET /v3/templates.
sendgrid_ping
Health check — verifies the API key works and returns the scopes (permissions) granted to it. SendGrid: GET /v3/scopes.
sendgrid_search_contacts_by_email
Look up marketing contacts by exact email address (a read-only lookup — mutates nothing). Returns { result: { "<email>": { contact: {...} } } }. SendGrid: POST /v3/marketing/contacts/search/emails.
sendgrid_send_mail
SENDS A REAL EMAIL immediately via SendGrid. Provide `from_email` and one or more `to` recipients, plus EITHER a subject + content OR a `template_id` (dynamic template ids start with "d-", pass values via dynamic_template_data). Returns { status: "accepted", message_id }. SendGrid: POST /v3/mail/send.

Endpoints

URLTransportStateLatencyChecked
https://sendgrid.usefulapi.io/mcp streamable-http answering 74 ms 11 min ago

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SendGrid MCP by usefulapi — questions

Answers built from our own checks of this server.

What can SendGrid MCP by usefulapi do?
It exposes 11 tools, read directly from the server on our last check. Among them: sendgrid_add_or_update_contacts, sendgrid_get_contact_count, sendgrid_get_stats, sendgrid_get_template, sendgrid_list_bounces, sendgrid_list_global_unsubscribes and 5 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is SendGrid MCP by usefulapi working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 153 ms. The bar chart above shows every period we have measured.
How do I connect SendGrid MCP by usefulapi?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does SendGrid MCP by usefulapi need an API key?
No. SendGrid MCP by usefulapi completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 11 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is SendGrid MCP by usefulapi?
It answers our handshake in 153 ms on average, which is faster than 82% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.
Is SendGrid MCP by usefulapi open source?
The code is open source: it is published under the MIT licence, written in JavaScript, 1 stars on GitHub and 1 open issue. The licence covers the code in the repository, not the hosted service at sendgrid.usefulapi.io, which runs on its operator's own terms.