How to integrate Ngrok MCP with Claude Code

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Introduction

Manage your Ngrok directly from Claude Code with zero worries about OAuth hassles, API-breaking issues, or reliability and security concerns.

You can do this in two different ways:

  1. Via Composio Connect - Direct and easiest approach
  2. Via Composio SDK - Programmatic approach with more control

Also integrate Ngrok with

Why use Composio?

  • Only one MCP URL to connect multiple apps with Claude Code with zero auth hassles.
  • Programmatic tool calling allows LLMs to write its code in a remote workbench to handle complex tool chaining. Reduces to-and-fro with LLMs for frequent tool calling.
  • Handling Large tool responses out of LLM context to minimize context rot.
  • Dynamic just-in-time access to 20,000 tools across 1000+ other Apps for cross-app workflows. It loads the tools you need, so LLMs aren't overwhelmed by tools you don't need.

Connecting Ngrok to Claude Code using Composio

1. Add the Composio MCP to Claude

Terminal

2. Start Claude Code

bash
claude

3. Open your MCP list

bash
/mcp

4. Select Composio and click on Authenticate

Select Composio and click Authenticate

5. This will redirect you to the Composio OAuth page. Complete the flow by authorizing Composio and you're all set.

Composio OAuth authorization page
Composio authorization complete
Ask Claude to connect to your account and authenticate via the link

Supported Tools & Triggers

Tools
Create API KeyCreates a new API key for authenticating with the ngrok API.
Create Tunnel CredentialCreates a new tunnel authtoken credential for authenticating ngrok agents.
Create EndpointCreate a cloud endpoint on the ngrok account.
Create Event SourceAdd a new event source to an event subscription.
Create Event SubscriptionCreates a new event subscription in ngrok.
Create HTTPS EdgeCreates a new HTTPS edge in your ngrok account.
Create HTTPS Edge RouteCreates a new route on an HTTPS edge in ngrok.
Create SSH CredentialCreates a new SSH credential from an uploaded public SSH key.
Create VaultCreates a new vault in your ngrok account.
Create Vault SecretTool to create a new secret in an ngrok vault for secure storage of sensitive data like API keys, passwords, or tokens.
Delete API KeyDelete an API key by its ID.
Delete CredentialsDelete a tunnel authtoken credential by ID.
Delete HTTPS Edge Route Circuit Breaker ModuleDelete the Circuit Breaker module from an HTTPS Edge Route.
Delete Edge Route Compression ModuleDelete the compression module from an HTTPS edge route.
Delete Edge Route Request Headers ModuleDelete the request headers module from an HTTPS edge route.
Delete Edge Route Response Headers ModuleDelete the response headers module from an HTTPS edge route.
Delete Edge Route SAML ModuleDelete the SAML module configuration from an HTTPS edge route.
Delete Edge Route User Agent Filter ModuleDelete the user agent filter module from an HTTPS edge route.
Delete Edge Route Webhook Verification ModuleDelete the webhook verification module from an HTTPS edge route.
Delete Edge Route WebSocket TCP Converter ModuleDelete the WebSocket TCP converter module from an HTTPS edge route.
Delete EndpointDelete an endpoint by ID.
Delete Event SourceDelete an event source from an event subscription.
Delete Event SubscriptionDelete an event subscription by ID.
Delete HTTPS EdgeDelete an HTTPS edge by ID.
Delete HTTPS Edge RouteDelete an HTTPS edge route by ID.
Delete Reserved Domain CertificateDetach the certificate attached to a reserved domain.
Delete Reserved Domain Certificate Management PolicyDetach the certificate management policy from a reserved domain.
Delete SecretDelete a vault secret by ID.
Delete SSH CredentialsDelete an SSH credential by ID.
Delete VaultDelete a vault by ID.
Get API KeyGet the details of an API key by ID.
Get CredentialsTool to retrieve detailed information about a tunnel authtoken credential by ID.
Get Edge Route Backend ModuleRetrieves the backend module configuration for an HTTPS edge route.
Get Edge Route Circuit Breaker ModuleTool to retrieve the circuit breaker module configuration for a specific HTTPS edge route.
Get Edge Route Compression ModuleRetrieves the compression module configuration for a specific HTTPS edge route.
Get Edge Route IP Restriction ModuleRetrieves the IP restriction module configuration for a specific HTTPS edge route.
Get Edge Route OIDC ModuleRetrieves the OIDC (OpenID Connect) module configuration for a specific HTTPS edge route.
Get Edge Route Request Headers ModuleRetrieves the request headers module configuration for a specific HTTPS edge route.
Get Edge Route Response Headers ModuleGet the response headers module configuration for an HTTPS edge route.
Get Edge Route SAML ModuleRetrieves the SAML authentication module configuration for a specific HTTPS edge route.
Get Edge Route Traffic PolicyRetrieves the Traffic Policy module configuration for a specific HTTPS edge route.
Get Edge Route User Agent Filter ModuleRetrieves the user agent filter module configuration for a specific HTTPS edge route.
Get Edge Route Webhook Verification ModuleRetrieves the webhook verification module configuration for an HTTPS edge route.
Get Edge Route WebSocket TCP Converter ModuleRetrieves the WebSocket TCP Converter module configuration for a specific HTTPS edge route.
Get EndpointGet the status of an endpoint by ID.
Get Event SourceGet an event source by type for a specific event subscription.
Get HTTPS EdgeGet the details of an HTTPS edge by ID.
Get HTTPS Edge Mutual TLS ModuleRetrieves the mutual TLS module configuration for an HTTPS edge.
Get HTTPS Edge RouteRetrieves detailed information about a specific HTTPS edge route by its ID.
Get IP Restriction DetailsRetrieves detailed information about a specific IP restriction by its ID.
Get Reserved DomainGet the details of a reserved domain by ID.
Get SecretTool to retrieve detailed information about a vault secret by ID.
Get Secrets by VaultTool to get all secrets in a vault by vault ID.
Get SSH CredentialsTool to retrieve detailed information about an SSH credential by ID.
Get VaultGet the details of a vault by ID.
List Agent IngressesList all Agent Ingresses owned by this account.
List API KeysThis tool lists all API keys owned by the user.
List Bot UsersTool to list all bot users on this ngrok account.
List Certificate AuthoritiesList all certificate authorities on this account.
List Tunnel CredentialsList all tunnel authtoken credentials on the ngrok account.
List All EndpointsList all active endpoints on the ngrok account.
List Event DestinationsList all Event Destinations on the ngrok account.
List Event SubscriptionsList all event subscriptions on the ngrok account.
List Event Subscription SourcesTool to list the types for which this event subscription will trigger.
List Failover BackendsList all failover backends on this account.
List HTTP Response BackendsList all HTTP response backends on the account.
List HTTPS EdgesLists all HTTPS Edges in your ngrok account.
List IP PoliciesList all IP policies on this account.
List IP Policy RulesThis tool lists all IP policy rules associated with your ngrok account.
List IP RestrictionsLists all IP restrictions configured on the ngrok account.
List Reserved AddressesList all reserved addresses on this account.
List Reserved DomainsList all reserved domains on this account.
List Service UsersTool to list all service users on this ngrok account.
List SSH Certificate AuthoritiesList all SSH Certificate Authorities on this account.
List SSH CredentialsList all SSH credentials on the ngrok account.
List SSH Host CertificatesList all SSH Host Certificates issued on this account.
List SSH User CertificatesList all SSH user certificates on the ngrok account.
List Static BackendsList all static backends on the account.
List TCP EdgesLists all TCP Edges in your ngrok account.
List TLS CertificatesList all TLS certificates on the ngrok account.
List TLS EdgesLists all TLS Edges in your ngrok account.
List Active TunnelsList all active tunnels in the ngrok account.
List Tunnel SessionsList all online tunnel sessions running on this account.
List VaultsList all vaults owned by the ngrok account.
List Vault SecretsList all vault secrets owned by the ngrok account.
List Weighted BackendsList all weighted backends on the ngrok account.
Replace Edge Route Circuit Breaker ModuleReplaces the circuit breaker module configuration on an HTTPS edge route.
Replace Edge Route Compression ModuleReplaces the compression module configuration for an HTTPS edge route.
Replace Edge Route Request Headers ModuleReplaces the request headers module configuration for an HTTPS edge route.
Replace Edge Route Response Headers ModuleReplaces the response headers module configuration for an HTTPS edge route.
Replace Edge Route Traffic PolicyReplaces the traffic policy module on an HTTPS edge route.
Replace Edge Route User Agent Filter ModuleReplaces the user agent filter module configuration for an HTTPS edge route.
Replace Edge Route Webhook Verification ModuleReplaces the webhook verification module configuration for an HTTPS edge route.
Update API KeyUpdates attributes of an API key by ID.
Update CredentialsTool to update attributes of a tunnel authtoken credential by ID.
Update EndpointTool to update an Endpoint by ID, currently available only for cloud endpoints.
Update Event SubscriptionTool to update attributes of an event subscription by ID.
Update HTTPS Edge RouteTool to update an HTTPS edge route by ID.
Update Reserved DomainTool to update the attributes of a reserved domain by ID.
Update SecretTool to update a vault secret by ID.
Update SSH CredentialTool to update attributes of an SSH credential by ID.
Update VaultTool to update attributes of a vault by ID.

What is the Ngrok MCP server, and what's possible with it?

The Ngrok MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Ngrok account. It provides structured and secure access to your Ngrok tunnels and API keys, so your agent can perform actions like managing endpoints, listing tunnels, handling API keys, and auditing IP restrictions on your behalf.

  • Active tunnel and endpoint monitoring: Instantly list all active tunnels and endpoints in your Ngrok account, making it simple to track running services and public URLs.
  • API key management: Programmatically create, list, and delete API keys to securely manage who and what can access your Ngrok resources.
  • HTTPS edge configuration visibility: Retrieve a comprehensive list of all HTTPS edges to review and manage how Ngrok handles encrypted traffic.
  • IP restriction and policy auditing: List and inspect all IP restrictions and policy rules, helping you enforce access control and security best practices.
  • Detailed access audit trails: Fetch details about specific IP restrictions for security audits and compliance, ensuring you always know who can access your tunnels and APIs.

Connecting Ngrok via Composio SDK

Composio SDK is the underlying tech that powers Rube. It's a universal gateway that does everything Rube does but with much more programmatic control. You can programmatically generate an MCP URL with the app you need (here Ngrok) for even more tool search precision. It's secure and reliable.

How the Composio SDK works

The Composio SDK follows a three-phase workflow:

  1. Discovery: Searches for tools matching your task and returns relevant toolkits with their details.
  2. Authentication: Checks for active connections. If missing, creates an auth config and returns a connection URL via Auth Link.
  3. Execution: Executes the action using the authenticated connection.

Step-by-step Guide

Prerequisites

Before starting, make sure you have:
  • Claude Pro, Max, or API billing enabled Anthropic account
  • Composio API Key
  • A Ngrok account
  • Basic knowledge of Python or TypeScript

Install Claude Code

bash
# macOS, Linux, WSL
curl -fsSL https://claude.ai/install.sh | bash

# Windows PowerShell
irm https://claude.ai/install.ps1 | iex

# Windows CMD
curl -fsSL https://claude.ai/install.cmd -o install.cmd && install.cmd && del install.cmd

To install Claude Code, use one of the following methods based on your operating system:

Set up Claude Code

bash
cd your-project-folder
claude

Open a terminal, go to your project folder, and start Claude Code:

  • Claude Code will open in your terminal
  • Follow the prompts to sign in with your Anthropic account
  • Complete the authentication flow
  • Once authenticated, you can start using Claude Code
Claude Code initial setup showing sign-in prompt
Claude Code terminal after successful login

Set up environment variables

bash
COMPOSIO_API_KEY=your_composio_api_key_here
USER_ID=your_user_id_here

Create a .env file in your project root with the following variables:

  • COMPOSIO_API_KEY authenticates with Composio (get it from Composio dashboard)
  • USER_ID identifies the user for session management (use any unique identifier)

Install Composio library

pip install composio-core python-dotenv

Install the Composio Python library to create MCP sessions.

  • composio-core provides the core Composio functionality
  • python-dotenv loads environment variables from your .env file

Generate Composio MCP URL

import os
from composio import Composio
from dotenv import load_dotenv

load_dotenv()

COMPOSIO_API_KEY = os.getenv("COMPOSIO_API_KEY")
USER_ID = os.getenv("USER_ID")

composio_client = Composio(api_key=COMPOSIO_API_KEY)

composio_session = composio_client.create(
    user_id=USER_ID,
    toolkits=["ngrok"],
)

COMPOSIO_MCP_URL = composio_session.mcp.url

print(f"MCP URL: {COMPOSIO_MCP_URL}")
print(f"\nUse this command to add to Claude Code:")
print(f'claude mcp add --transport http ngrok-composio "{COMPOSIO_MCP_URL}" --headers "X-API-Key:{COMPOSIO_API_KEY}"')

Create a script to generate a Composio MCP URL for Ngrok. This URL will be used to connect Claude Code to Ngrok.

What's happening:
  • We import the Composio client and load environment variables
  • Create a Composio instance with your API key
  • Call create() to create a Tool Router session for Ngrok
  • The returned mcp.url is the MCP server URL that Claude Code will use
  • The script prints this URL so you can copy it

Run the script and copy the MCP URL

python generate_mcp_url.py

Run your Python script to generate the MCP URL.

  • The script connects to Composio and creates a Tool Router session
  • It prints the MCP URL and the exact command you need to run
  • Copy the entire claude mcp add command from the output

Add Ngrok MCP to Claude Code

bash
claude mcp add --transport http ngrok-composio "YOUR_MCP_URL_HERE" --headers "X-API-Key:YOUR_COMPOSIO_API_KEY"

# Then restart Claude Code
exit
claude

In your terminal, add the MCP server using the command from the previous step. The command format is:

  • claude mcp add registers a new MCP server with Claude Code
  • --transport http specifies that this is an HTTP-based MCP server
  • The server name (ngrok-composio) is how you'll reference it
  • The URL points to your Composio Tool Router session
  • --headers includes your Composio API key for authentication

After running the command, close the current Claude Code session and start a new one for the changes to take effect.

Verify the installation

bash
claude mcp list

Check that your Ngrok MCP server is properly configured.

  • This command lists all MCP servers registered with Claude Code
  • You should see your ngrok-composio entry in the list
  • This confirms that Claude Code can now access Ngrok tools

If everything is wired up, you should see your ngrok-composio entry listed:

Claude Code MCP list showing the toolkit MCP server

Authenticate Ngrok

The first time you try to use Ngrok tools, you'll be prompted to authenticate.

  • Claude Code will detect that you need to authenticate with Ngrok
  • It will show you an authentication link
  • Open the link in your browser (or copy/paste it)
  • Complete the Ngrok authorization flow
  • Return to the terminal and start using Ngrok through Claude Code

Once authenticated, you can ask Claude Code to perform Ngrok operations in natural language. For example:

  • "List all active tunnels and endpoints"
  • "Show HTTPS edges currently configured"
  • "List all API keys for my account"

Complete Code

Here's the complete code to get you started with Ngrok and Claude Code:

import os
from composio import Composio
from dotenv import load_dotenv

load_dotenv()

COMPOSIO_API_KEY = os.getenv("COMPOSIO_API_KEY")
USER_ID = os.getenv("USER_ID")

composio_client = Composio(api_key=COMPOSIO_API_KEY)

composio_session = composio_client.create(
    user_id=USER_ID,
    toolkits=["ngrok"],
)

COMPOSIO_MCP_URL = composio_session.mcp.url

print(f"MCP URL: {COMPOSIO_MCP_URL}")
print(f"\nUse this command to add to Claude Code:")
print(f'claude mcp add --transport http ngrok-composio "{COMPOSIO_MCP_URL}" --headers "X-API-Key:{COMPOSIO_API_KEY}"')

Conclusion

You've successfully integrated Ngrok with Claude Code using Composio's MCP server. Now you can interact with Ngrok directly from your terminal using natural language commands.

Key features of this setup:

  • Terminal-native experience without switching contexts
  • Natural language commands for Ngrok operations
  • Secure authentication through Composio's managed MCP
  • Tool Router for dynamic tool discovery and execution

Next steps:

  • Try asking Claude Code to perform various Ngrok operations
  • Add more toolkits to your Tool Router session for multi-app workflows
  • Integrate this setup into your development workflow for increased productivity

You can extend this by adding more toolkits, implementing custom workflows, or building automation scripts that leverage Claude Code's capabilities.

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FAQ

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

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

Can I use Tool Router MCP with Claude Code?

Yes, you can. Claude Code 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 Ngrok tools.

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

Yes, absolutely. You can configure which Ngrok 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 Ngrok data and credentials are handled as safely as possible.

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