How to connect Nango MCP with Cursor

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How to integrate Nango MCP with Cursor

Cursor is one of the leading AI-powered code editors. It is built to help developers write, understand, and refactor code faster with AI assistance built directly into the editor.

And in this guide, I will explain the easiest and most secure way to connect your Nango account to Cursor via Composio Connect, so it can list all connected CRM accounts, trigger manual sync with Salesforce provider, get configuration for all available scripts, and more without ever putting your account credentials at risk.

Also integrate Nango with

Why Composio?

  • 1,000+ SaaS toolkits out of the box. Skip the work of building and maintaining integrations, Composio gives you instant access to a vast catalog of pre-built connectors.
  • One MCP server for every app. Connect any of your applications on demand through a single endpoint, rather than juggling a separate server for each app.
  • Smart, context-aware tool loading. Unlike traditional MCP servers that dump every available tool into the LLM context window, Composio searches for and loads only the tools relevant to the task at hand. A remote CLI workbench lets LLMs compose these tools into workflows for complex automation.

Connect Nango to Cursor

Two ways to install — pick whichever you prefer.

1. Install with one click

Click the button below to add Composio to Cursor.

Install in Cursor

2. Or add manually

Add to your Cursor mcp.json

Open .cursor/mcp.json in your project root (or ~/.cursor/mcp.json for global config) and add the following configuration:

bash
{
  "servers": {
    "composio": {
      "type": "http",
      "url": "https://connect.composio.dev/mcp"
    }
  }
}

3. Authorize

Restart Cursor, then click "Connect" next to Composio in MCP Tools settings.

Cursor MCP Tools settings with Connect button next to Composio

A browser window will open to authorize.

Composio authorization browser window

Connect your Nango account

Back in Cursor, ask the agent to connect to Nango or give it any Nango-related task.

For example, ask it to:

  • "List all connected CRM accounts"
  • "Trigger manual sync with Salesforce provider"
  • "Get configuration for all available scripts"

It will prompt you to authenticate and authorize access to Nango.

That is it. Composio tools are now available in Cursor, and your Nango account is ready to use.

Supported Tools & Triggers

Tools
Trigger Nango ActionTrigger a Nango action to execute a workflow or operation.
Add ConnectionTool to add a connection with existing credentials to Nango.
List ConnectionsList all Nango connections without credentials.
Create Connect SessionTool to create a new connect session with a 30-minute lifespan for enabling connection creation via Connect UI.
Create IntegrationTool to create a new integration in Nango.
Delete ConnectionTool to delete a specific Nango connection.
Delete IntegrationTool to delete a specific integration by its unique key.
Edit ConnectionTool to edit a connection's tags and metadata.
Get Connection with CredentialsRetrieve a specific connection with its credentials.
Get Environment VariablesTool to retrieve environment variables from the Nango dashboard.
Get IntegrationRetrieve detailed configuration for a specific Nango integration by its unique key.
Proxy GET RequestTool to make a GET request with Nango's Proxy to forward requests to external APIs while managing authentication.
Get Sync StatusTool to get the status of specified sync(s) for a connection or all connections.
List ConnectionsTool to list all connections without credentials.
List IntegrationsTool to retrieve a list of all configured integrations.
Get Provider DetailsRetrieve detailed configuration for a specific Nango provider by its unique key.
List ProvidersTool to retrieve a list of all available providers.
Proxy PUT RequestTool to make a PUT request with the Nango Proxy to forward requests to external APIs while managing authentication.
Reconnect SessionCreate a new connect session to reconnect to a specific integration.
Get Integration Functions ConfigurationRetrieve all integration functions configuration from Nango.
Set Connection MetadataTool to set custom metadata for one or more Nango connections.
Trigger SyncTool to trigger sync process(es) manually.
Update Connection MetadataTool to edit custom metadata for one or multiple connections.
Update IntegrationTool to update an existing integration's configuration.

Conclusion

You have successfully connected Nango to Cursor using Composio Connect. Your agent can now use Nango securely without exposing credentials in prompts or local scripts.

How to build Nango MCP Agent with another framework

FAQ

What are the differences in Tool Router MCP and Nango MCP?

With a standalone Nango MCP server, the agents and LLMs can only access a fixed set of Nango tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Nango and many other apps based on the task at hand, all through a single MCP endpoint.

Can I use Tool Router MCP with Cursor?

Yes, you can. Cursor fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right Nango tools.

Can I manage the permissions and scopes for Nango while using Tool Router?

Yes, absolutely. You can configure which Nango scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do.

How safe is my data with Composio Tool Router?

All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your Nango data and credentials are handled as safely as possible.

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