ActionKit by Paragon + Cursor: Complete MCP Integration

ActionKit by Paragon is a MCP server that Connect to 130+ SaaS integrations (e.g. Slack, Salesforce, Gmail) with Paragon’s ActionKit API..

When integrated with Cursor, you can:

• Connect to 130+ SaaS applications via ActionKit API
• Handle OAuth and API authentication for integrations
• Execute custom OpenAPI action definitions

This guide provides step-by-step instructions to set up ActionKit by Paragon in Cursor, including configuration, examples, and troubleshooting.

What You'll Achieve

After completing this setup:

• ActionKit by Paragon will be fully integrated and operational
• You can use ActionKit by Paragon tools directly in Cursor
• All ActionKit by Paragon capabilities will be available for your workflows
• Access to 4 different tools

Prerequisites

Before starting, ensure you have:

• Node.js 22.14.0
• npm
• Paragon account
• Paragon project identifier from dashboard
• RS256 JWT signing key for authentication
• Cursor installed and configured
• Compatible operating system (Windows, macOS, Linux)

Installation

Step 1: Install ActionKit by Paragon

Install using npm:

git clone https://github.com/useparagon/paragon-mcp.git && cd paragon-mcp && npm install

Verify installation:

npm run start

Configuration

Step 2: Configure Cursor

1. Open Cursor settings
2. Navigate to MCP server configuration
3. Add ActionKit by Paragon server with appropriate settings
4. Save and restart if needed

Examples

Once configured, you can use ActionKit by Paragon in Cursor:

Schedule Team Meeting

Create a Google Calendar event and notify team via Slack

Ask Cursor: "Schedule a team standup for tomorrow at 9 AM and send a Slack notification to the dev-team channel"

Expected Result: Calendar event created and Slack message sent with meeting details

Create Sales Lead

Add new lead to Salesforce from customer inquiry

Ask Cursor: "Create a new lead in Salesforce for John Doe from Acme Corp with email [email protected]"

Expected Result: Lead record created in Salesforce with contact information and follow-up tasks

Email Campaign Follow-up

Send follow-up emails via Gmail for marketing campaign

Ask Cursor: "Send a follow-up email to all prospects who opened our product demo email last week"

Expected Result: Targeted emails sent to qualified prospects with personalized content

Multi-Platform Data Sync

Sync customer data between HubSpot and Salesforce

Ask Cursor: "Update all HubSpot contacts that were modified today in our Salesforce CRM"

Expected Result: Contact records synchronized with latest information across both platforms

Testing Your Setup

1. Launch Cursor
2. Verify ActionKit by Paragon is available in the tools list
3. Test basic ActionKit by Paragon functionality

Troubleshooting

Common Issues

JWT Authentication Failed

Symptoms: 401 Unauthorized errors, Invalid token messages

Cause: Incorrect SIGNING_KEY or expired credentials

Solution:

• Verify SIGNING_KEY matches private key from Paragon dashboard
• Ensure key is in correct RS256 format
• Check PROJECT_ID is correct for your account
• Regenerate keys if necessary

Integration Not Available

Symptoms: Service not found errors, Integration disabled messages

Cause: Integration not enabled in Paragon project or LIMIT_TO_INTEGRATIONS restriction

Solution:

• Enable required integrations in Paragon dashboard
• Remove or update LIMIT_TO_INTEGRATIONS environment variable
• Verify integration is available in your Paragon plan
• Check integration-specific requirements

User Authorization Required

Symptoms: OAuth flow errors, Permission denied messages

Cause: User has not authorized the integration or scope issues

Solution:

• Guide user through OAuth authorization flow
• Check required scopes for the integration
• Verify callback URLs are configured correctly
• Re-authorize if tokens are expired

Server Connection Timeout

Symptoms: Connection timeouts, SSE endpoint not responding

Cause: Server not running or network connectivity issues

Solution:

• Start server with npm run start
• Verify PORT is not in use by another service
• Check firewall settings allow connections
• Test endpoint with curl: curl http://localhost:3001/health

Installation Problems

Symptoms: Cursor fails to install, Application won't start

Cause: System requirements not met or corrupted download

Solution:

• Check minimum system requirements
• Re-download installer from official website
• Run installer as administrator (Windows)
• Check available disk space and permissions

MCP Settings Not Found

Symptoms: No MCP option in settings, Missing configuration section

Cause: Feature not available in current Cursor version

Solution:

• Update Cursor to latest version
• Check if MCP support is enabled in your subscription
• Look for "Extensions" or "Integrations" section instead
• Contact Cursor support for feature availability

Server Configuration Fails

Symptoms: Settings not saving, Configuration errors

Cause: Invalid server path or configuration parameters

Solution:

• Verify server executable path is correct
• Check server installation and permissions
• Use absolute paths instead of relative paths
• Test server command from system terminal first

AI Assistant Not Using MCP Tools

Symptoms: Tools available but AI not using them, Limited functionality

Cause: AI assistant not properly configured for MCP integration

Solution:

• Restart Cursor after configuration changes
• Check AI assistant settings for tool permissions
• Verify MCP server is running and responding
• Try explicitly asking AI to use specific tools

ActionKit by Paragon not appearing in Cursor

Symptoms: Server not listed, Tools not available

Cause: Configuration or installation issue

Solution:

• Verify configuration syntax
• Check ActionKit by Paragon installation
• Restart Cursor
• Check logs for error messages

Next Steps

Now that ActionKit by Paragon is integrated with Cursor:

• Explore all ActionKit by Paragon capabilities through Cursor
• Check out other MCP servers that work with Cursor
• Join the MCP community for tips and support
• Consider contributing to ActionKit by Paragon development

Need Help?

• Search for ActionKit by Paragon documentation
• Check the Cursor MCP guide
• Join the MCP community discussions