Nylas MCP by usefulapi MCP Server

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answering

Nylas MCP by usefulapi is answering right now. Last checked 11 min ago. It exposes 15 tools. Last commit 2 Nov 2026.

MCP server for Nylas — read email, calendars, events and contacts, and send email or create events.

Uptime history 91 days of history · worst day 25%

91 days agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

154 ms

Response time

average over 24h

Stars

last commit 2 Nov 2026

What changed 45

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

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

20 Oct a tool changed version3 times that day

and 35 more, back to 30 September 2026

Nylas MCP by usefulapi missed one check this week

Everything else answered, so this is steady rather than shaky. We check every 15 minutes, which is how a one-off gets told apart from the start of a pattern, and how you hear about the next one within the hour instead of from your users.

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.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add nylas --transport http https://nylas.usefulapi.io/mcp

Settings → Connectors → Add custom connector, then paste this address

https://nylas.usefulapi.io/mcp

~/.codex/config.toml

[mcp_servers.nylas]
url = "https://nylas.usefulapi.io/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "nylas": {
      "url": "https://nylas.usefulapi.io/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "nylas": {
      "type": "http",
      "url": "https://nylas.usefulapi.io/mcp"
    }
  }
}

Available tools 15

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

nylas

nylas_create_draft

Creates a draft email (does NOT send — safe/additive). Nylas v3: POST /v3/grants/{grant_id}/drafts.

nylas_create_event

Creates a calendar event (may send invites to participants). Requires calendar_id (sent as a query param). Nylas v3: POST /v3/grants/{grant_id}/events.

nylas_get_calendar

Get a single calendar by id. Nylas v3: GET /v3/grants/{grant_id}/calendars/{calendar_id}.

nylas_get_contact

Get a single contact by id. Nylas v3: GET /v3/grants/{grant_id}/contacts/{contact_id}.

nylas_get_event

Get a single calendar event by id. Requires calendar_id (sent as a query param). Nylas v3: GET /v3/grants/{grant_id}/events/{event_id}.

nylas_get_grant

Get details for a single connected account (grant). Nylas v3: GET /v3/grants/{grant_id}.

nylas_get_message

Get a single email message by id. Nylas v3: GET /v3/grants/{grant_id}/messages/{message_id}.

nylas_list_calendars

List calendars for the connected account (each has a calendar_id used by the events tools). Nylas v3: GET /v3/grants/{grant_id}/calendars.

nylas_list_contacts

List contacts for the connected account, with optional email/phone filters. Nylas v3: GET /v3/grants/{grant_id}/contacts.

nylas_list_drafts

List draft emails for the connected account. Nylas v3: GET /v3/grants/{grant_id}/drafts.

nylas_list_events

List calendar events. Requires calendar_id (sent as a query param). Nylas v3: GET /v3/grants/{grant_id}/events.

nylas_list_folders

List mail folders/labels for the connected account. Nylas v3: GET /v3/grants/{grant_id}/folders.

nylas_list_grants

List the connected accounts (grants) on this Nylas application, each with a grant_id used to scope other tools. Not grant-scoped. Nylas v3: GET /v3/grants.

nylas_list_messages

List email messages for the connected account, with optional filters. Nylas v3: GET /v3/grants/{grant_id}/messages.

nylas_send_message

SENDS a real email via the connected account. This dispatches an actual message. Nylas v3: POST /v3/grants/{grant_id}/messages/send.

Endpoints

URL	Transport	State	Latency	Checked
https://nylas.usefulapi.io/mcp	streamable-http	answering	79 ms	11 min ago

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Nylas MCP by usefulapi — questions

Answers built from our own checks of this server.

What can Nylas MCP by usefulapi do?

It exposes 15 tools, read directly from the server on our last check. Among them: nylas_create_draft, nylas_create_event, nylas_get_calendar, nylas_get_contact, nylas_get_event, nylas_get_grant and 9 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 Nylas 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 154 ms. The bar chart above shows every period we have measured.

How do I connect Nylas 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 Nylas MCP by usefulapi need an API key?

No. Nylas MCP by usefulapi completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 15 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Nylas MCP by usefulapi?

It answers our handshake in 154 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 Nylas 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 nylas.usefulapi.io, which runs on its operator's own terms.