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Resend MCP Server

Yes. Resend has an official MCP server, hosted at resend.com/mcp.

OFFICIAL MCP✓ alivePublic APIOpenAPI specAuth: bothSDKs: node, python, go, ruby, php, java
MCP status verified 2026-05-21Agent-readiness 8/10
Data from Buddy's database, auto-rechecked weekly

What is the Resend MCP server?

The Resend MCP server lets Claude, Cursor, Codex, and other MCP-compatible clients query campaigns, contacts, segments, and automation workflows without leaving the editor. The server is official, hosted by Resend themselves, so it should track product changes without lag.

Three things you actually do with it: ask Claude which segments are growing fastest this quarter, have Cursor draft a 3-step welcome series for new ebook signups, and let Codex re-engage cold subscribers with personalised subject lines.

Resend also has a public REST API at resend.com. Use the API for scheduled jobs and custom dashboards. Use the MCP server when an LLM is in the loop.

For the rest of the picture see the full coverage on this tool..

Live in your Claude / Cursor / Codex

What you actually do with the Resend MCP

resend-mcplive
>What's the open rate on my last 5 campaigns?
resend.list_campaigns({ limit: 5 })
LAST 5 CAMPAIGNS · OPEN RATE
Black Friday Teaser42.1%
Product launch38.5%
Weekly digest #1227.0%
Welcome flow step 261.3%
Re-engagement attempt9.8%
Suggest A/B subject lines for the bottom two?
resend-mcplive
>Build a 3-email welcome series for new ebook subscribers
resend.create_automation({ trigger: "list_added" })
AUTOMATION CREATED · 3 EMAILS
Day 0ebook delivery + intro
Day 2case study + soft CTA
Day 5product demo + 14-day trial
Review drafts before activation?
resend-mcplive
>Which segments are growing fastest this quarter?
resend.segment_growth({ period: "Q4" })
TOP 3 GROWING SEGMENTS
Trial → Paid converters+187%
EU subscribers+62%
Re-engaged churned+34%
TMB SCORE FOR ResendMCP: OfficialAgent fit: 8/10
Read review →

Examples illustrative. Actual responses depend on your data and the Resend MCP server's tool surface.

How to connect Resend MCP to Claude Desktop

Add this block to ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows), then restart Claude Desktop. Cursor and Codex use a similar schema.

{
  "mcpServers": {
    "resend": {
      "command": "npx",
      "args": ["-y", "<server-package-name>"],
      "env": {
        "RESEND_API_KEY": "your-api-key-here"
      }
    }
  }
}
// Server source: https://resend.com/mcp
// Check the server's README for the exact "command" and required env vars.

Some MCP servers require an API key. Check the source page for setup: resend.com/mcp.

Does Resend MCP cost extra?

Included with subscription

Resend ships an official MCP server that uses your existing subscription credentials.

  • No separate MCP licence to buy. You pay for your Resend plan, the MCP server queries that account.
  • Whether it's gated to a specific tier wasn't extracted automatically — verify the access requirements on the MCP page or pricing docs.

Resend also publishes a REST API

Resend publishes an API, but per-tier gating wasn't extracted automatically.

Auth method
both
SDK languages
node, python, go, ruby, php, java
OpenAPI spec
Webhooks
Structured outputs
See Resend API page

What you can do with Resend from an AI agent

Three shapes of agent workflow. Pick the row that matches how you actually use Claude / Cursor / Codex day to day.

INDIE / SOLO

Skip the dashboard, ask Claude

  • "What campaigns underperformed this week?" answered in seconds
  • Quick one-off questions without leaving the editor
  • Pipe Resend data into your personal notes / docs without writing a script
Effort: 30 seconds — paste the config, restart Claude
AGENCY

Run client analysis at agent speed

  • Hand the MCP server to your team — every consultant can ask Claude about any client's Resend account
  • Multi-account workflows without context-switching the Resend UI
  • Reports you'd normally spend hours on, done before standup
Effort: An afternoon — set up auth per client
IN-HOUSE TEAM

Production agent workflows

  • Embed in your internal Codex / Cursor agents that triage Resend data daily
  • Combine with other MCP servers in a multi-step agent chain
  • Constrain agents to read-only roles to keep production Resend safe
Effort: Days — security review + role config

Limits and gotchas

  • Official MCP server — published by Resend themselves, so it should track product changes.
  • Fallback: the REST API works for any flow the MCP server doesn't cover.
  • Auth flow: MCP servers usually inherit the underlying API auth method (both). Expect to configure that on first install.
  • OpenAPI spec is published — easy to validate which endpoints the MCP server actually exposes vs the full API surface.
  • Rate limits: MCP calls count against your underlying Resend API quota. Burst usage from a curious agent can drain a daily allowance fast.
8/10

Agent-readiness verdict

Strong agent-fit for Claude and Cursor workflows. Resend offers an official MCP server, OpenAPI spec, and SDKs across 6 languages (Node, Python, Go, Ruby, PHP, Java), making it straightforward to integrate into agentic email tasks. The main gap is lack of webhook support, which limits real-time event-driven automation patterns.

MCP server availableOfficial MCP (on tool's own domain)Public API with docsOpenAPI/Swagger spec publishedMultiple SDK languages

Scored 2026-05-21 by Joonas (TMB).

Resend MCP & API FAQ

Is the Resend MCP server official?+
Yes — published on Resend's own domain at https://resend.com/mcp.
Can I use the Resend MCP with Cursor or Codex?+
Yes — MCP is a protocol, not Claude-specific. Any MCP-capable client (Cursor, Codex, Windsurf, Zed) can use the same server config with minor path adjustments.
Does Resend have a public API?+
Yes — public REST API at resend.com/docs/introduction, auth via both. Official SDKs: node, python, go, ruby, php, java.
Does Resend publish an OpenAPI / Swagger spec?+
Yes — resend.com/openapi.json. Auto-generate typed clients from it.

Sources

Data verified by Joonas on the dates shown. MCP server status auto-rechecked weekly.