Bring Newsletter
to Windsurf
Create your Vinkius account to connect Kit (ConvertKit) to Windsurf and start using all 10 AI tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code. No hosting, no server setup — just connect and start using.
Compatible with every major AI agent and IDE
What is the Kit (ConvertKit) MCP Server?
Integrate your AI assistant with Kit (formerly ConvertKit), the email marketing platform for creators.
What you can do
- Subscriber Management — Retrieve subscriber profiles, add emails to lists, and check engagement metrics.
- Tag Organization — List audience tags or apply specific markers to user segments.
- Broadcast Monitoring — Check open rates, click-through metrics, and campaign statuses.
How it works
- Add the Kit integration to your AI toolset.
- Provide your Kit API Secret (found in Settings > Advanced).
- Manage your email audiences via natural language commands.
Who is this for?
- Digital Creators — Track funnel sign-ups and tag audience members from chat.
- Marketing Managers — Pull open rates and campaign performance instantly.
- Customer Support — Check if a user received an onboarding email without accessing the dashboard.
Built-in capabilities (10)
Subscribe a person to a form
Apply a tag to a subscriber by email
Retrieve a high-level summary of your subscriber count
Get details for a specific subscriber
List all audience tags
List automated email sequences
List all opt-in forms
List your email subscribers
Retrieve a subscriber by their numeric ID
Update subscriber metadata or custom fields
Why Windsurf?
Windsurf's Cascade agent chains multiple Kit (ConvertKit) 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.
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Windsurf's Cascade agent autonomously chains multiple tool calls in sequence, solving complex multi-step tasks without manual intervention
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Purpose-built for agentic workflows. Cascade understands context across your entire codebase and integrates MCP tools natively
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JSON-based configuration means zero code changes: paste a URL, reload, and all 10 tools are immediately available
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Real-time tool feedback is displayed inline, so you see API responses directly in your editor without switching contexts
Kit (ConvertKit) in Windsurf
Why run Kit (ConvertKit) with Vinkius?
The Kit (ConvertKit) connection runs on our fully managed, secure cloud infrastructure. We handle the hosting, maintenance, and security so you don't have to deal with servers or code. All 10 tools are ready to work instantly without any complex setup.
You stay in complete control of your data. Your AI only accesses the information you approve, keeping your sensitive passwords and private details completely safe. Plus, with automatic optimizations, your AI works faster and more efficiently.

* Every connection is hosted and maintained by Vinkius. We handle the security, updates, and infrastructure so you don't have to write code or manage servers. See our infrastructure
Over 4,000 integrations ready for AI agents
Explore a vast library of pre-built integrations, optimized and ready to deploy.
Connect securely in under 30 seconds
Generate tokens to authenticate and link external services in a single step.
Complete visibility into every agent action
Audit live requests, latency, success rates, and active security compliance policies.
Optimize spending and track token ROI
Analyze real-time token consumption and cost metrics detailed by connection.




Explore our live AI Agents Analytics dashboard to see it all working
This dashboard is included when you connect Kit (ConvertKit) using Vinkius. You will never be left in the dark about what your AI agents are doing with your tools.
Kit (ConvertKit) and 4,000+ other AI tools. No hosting, no code, ready to use.
Professionals who connect Kit (ConvertKit) to Windsurf through Vinkius don't need to write code, manage servers, or worry about security. Everything is pre-configured, secure, and runs automatically in the background.
Raw MCP | Vinkius | |
|---|---|---|
| Ready-to-use MCPs | Find and configure each manually | 4,000+ MCPs ready to use |
| Connection Setup | Manual coding & server setup | 1-click instant connection |
| Server Hosting | You host it yourself (needs 24/7 uptime) | 100% hosted & managed by Vinkius |
| Security & Privacy | Stored in plaintext config files | Bank-grade encrypted vault |
| Activity Visibility | Blind execution (no logs or tracking) | Live dashboard with real-time logs |
| Cost Control | Runaway AI token spend risk | Automatic budget limits |
| Revoking Access | Must delete files or code to stop | 1-click disconnect button |
How Vinkius secures
Kit (ConvertKit) for Windsurf
Every request between Windsurf and Kit (ConvertKit) is protected by our secure gateway. We automatically keep your sensitive data private, prevent unauthorized access, and let you disconnect instantly at any time.
Frequently asked questions
How do I find my Kit API Secret?
Log in to Kit, go to Settings > Advanced. Under 'API', click Show next to API Secret, copy the string, and paste it below.
Why is the API Secret required instead of the standard API Key?
The API Key only provides read access to public forms. The API Secret grants full access to manage subscribers, tags, and broadcast data as needed by this integration.
Can the agent send broadcast emails?
No. For safety, the integration is read/manage only. The agent can check campaign metrics and manage tags, but actual email sending must be done via the Kit dashboard.
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.
Server not connecting
Check Settings → MCP for the server status. Try toggling it off and on.
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