How do I get my Instantly API key?

Log in to your Instantly account at **app.instantly.ai**. Navigate to **Settings** (gear icon in the left sidebar). Click on the **API** section. Click **Create API Key**, give it a name, and copy the generated key. Paste it into the configuration field below. API access is available on all paid plans.

Can I monitor email warm-up health through my agent?

Yes. Your agent can check warm-up scores, daily sending volumes, and inbox placement rates for each sending account — helping you know when new accounts are ready for full-volume campaigns.

Can I manage multiple sending accounts?

Yes. Instantly supports unlimited sending accounts. Your AI agent can list all accounts, check their warm-up status, and manage which accounts are assigned to which campaigns.

How is Instantly different from other cold email tools?

Instantly differentiates with unlimited sending accounts, built-in email warm-up, and high-volume campaign infrastructure. It's designed for agencies and teams running 10K+ emails/month across dozens of sending domains.

Instantly MCP Server for Windsurf 10 tools — connect in under 2 minutes

Name: Instantly
Availability: InStock
Author: Vinkius

docs.windsurf.com/windsurf/mcp

Built by Vinkius GDPR 10 Tools IDE

Windsurf brings agentic AI coding to a purpose-built IDE. Connect Instantly through Vinkius and Cascade will auto-discover every tool. ask questions, generate code, and act on live data without leaving your editor.

Get MCP Server for AI Agents

ASK AI ABOUT THIS MCP SERVER

Open in ChatGPT Open in Claude Open in Perplexity

Vinkius supports streamable HTTP and SSE.

RecommendedModern Approach — Zero Configuration

Vinkius Desktop App

The modern way to manage MCP Servers — no config files, no terminal commands. Install Instantly and 2,500+ MCP Servers from a single visual interface.

Download Free Open SourceNo signup required

Classic Setup·json

{
  "mcpServers": {
    "instantly": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

Fully ManagedVinkius Servers

60%Token savings

High SecurityEnterprise-grade

IAMAccess control

EU AI ActCompliant

DLPData protection

V8 IsolateSandboxed

Ed25519Audit chain

<40msKill switch

Stream every event to Splunk, Datadog, or your own webhook in real-time

* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure

About Instantly MCP Server

Connect Instantly to your AI agent and manage your high-volume cold email platform conversationally.

Windsurf's Cascade agent chains multiple Instantly tool calls autonomously. query data, analyze results, and generate code in a single agentic session. Paste Vinkius Edge URL, reload, and all 10 tools are immediately available. Real-time tool feedback appears inline, so you see API responses directly in your editor.

What you can do

Campaign Management — Create, pause, resume, and monitor email campaigns with engagement metrics.
Lead Management — Add, update, and search leads across campaigns with custom variables.
Account Warm-up — Monitor email warm-up progress and deliverability scores across sending accounts.
Analytics — Track opens, replies, bounces, and campaign-level performance in real time.

The Instantly MCP Server exposes 10 tools through the Vinkius. Connect it to Windsurf in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

How to Connect Instantly to Windsurf via MCP

Follow these steps to integrate the Instantly MCP Server with Windsurf.

Open MCP Settings

Go to Settings → MCP Configuration or press Cmd+Shift+P and search "MCP"

Add the server

Paste the JSON configuration above into mcp_config.json

Save and reload

Windsurf will detect the new server automatically

Start using Instantly

Open Cascade and ask: "Using Instantly, help me...". 10 tools available

Why Use Windsurf with the Instantly MCP Server

Windsurf provides unique advantages when paired with Instantly through the Model Context Protocol.

Windsurf's Cascade agent autonomously chains multiple tool calls in sequence, solving complex multi-step tasks without manual intervention

Purpose-built for agentic workflows. Cascade understands context across your entire codebase and integrates MCP tools natively

JSON-based configuration means zero code changes: paste a URL, reload, and all 10 tools are immediately available

Real-time tool feedback is displayed inline, so you see API responses directly in your editor without switching contexts

Instantly + Windsurf Use Cases

Practical scenarios where Windsurf combined with the Instantly MCP Server delivers measurable value.

Automated code generation: ask Cascade to fetch data from Instantly and generate models, types, or handlers based on real API responses

Live debugging: query Instantly tools mid-session to inspect production data while debugging without leaving the editor

Documentation generation: pull schema information from Instantly and have Cascade generate comprehensive API docs automatically

Rapid prototyping: combine Instantly data with Cascade's code generation to scaffold entire features in minutes

Instantly MCP Tools for Windsurf (10)

These 10 tools become available when you connect Instantly to Windsurf via MCP:

add_leads

Add leads to a campaign

get_account_stats

Get account summary stats

get_campaign

Get campaign details

get_campaign_analytics

Get campaign analytics

list_accounts

List sending accounts

list_campaigns

List all campaigns

list_leads

List leads in a campaign

list_subsequences

List campaign subsequences

pause_campaign

Pause a campaign

resume_campaign

Resume a campaign

Example Prompts for Instantly in Windsurf

Ready-to-use prompts you can give your Windsurf agent to start working with Instantly immediately.

"What's the open rate on my 'SaaS Founders Q2' campaign?"

"Check warm-up status on all my sending accounts."

"Add 50 leads to the 'Enterprise Outreach' campaign."

Troubleshooting Instantly MCP Server with Windsurf

Common issues when connecting Instantly to Windsurf through the Vinkius, and how to resolve them.

Server not connecting

Check Settings → MCP for the server status. Try toggling it off and on.

Instantly + Windsurf FAQ

Common questions about integrating Instantly MCP Server with Windsurf.

How does Windsurf discover MCP tools?

Windsurf reads the mcp_config.json file on startup and connects to each configured server via Streamable HTTP. Tools are listed in the MCP panel and available to Cascade automatically.

Can Cascade chain multiple MCP tool calls?

Yes. Cascade is an agentic system. it can plan and execute multi-step workflows, calling several tools in sequence to accomplish complex tasks without manual prompting between steps.

Does Windsurf support multiple MCP servers?

Yes. Add as many servers as needed in mcp_config.json. Each server's tools appear in the MCP panel and Cascade can use tools from different servers in a single flow.