How to integrate Bugsnag MCP with Claude Code

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Introduction

Manage your Bugsnag 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 Rube - Direct and easiest approach
  2. Via Composio SDK - Programmatic approach with more control

Why Rube?

Rube is a universal MCP server with access to 850+ SaaS apps. It ensures just-in-time tool loading so Claude can access the tools it needs, a remote workbench for programmatic tool calling and handling large tool responses out of the LLM context window, ensuring the LLM context window remains clean.

Connect Bugsnag to Claude Code with Rube

1. Get the MCP URL

Copy and paste the below command in Claude Code to add Rube MCP.

Terminal

2. Authenticate Rube

Run /mcp to view Rube

bash
/mcp
Run /mcp to view Rube in Claude Code
Click on Rube to authenticate
Authentication flow complete

3. Ensure it's connected

Run /mcp again to verify the connection. Now, do whatever you want with Claude Code and Bugsnag.

Rube connected successfully

Supported Tools & Triggers

Tools
Bulk Update ErrorsTool to bulk update multiple errors in a project.
Configure IntegrationTool to configure a new integration for a bugsnag project.
Invite CollaboratorTool to invite a collaborator to an organization.
Create Custom Event FieldTool to create a custom event field for a project.
Create Saved SearchTool to create a new saved search for a project.
Delete All Errors in a ProjectTool to delete all errors in a project.
Delete CollaboratorTool to remove a collaborator from an organization.
Delete a configured integrationTool to delete a configured integration.
Delete Event FieldTool to delete a custom event field.
Delete ProjectTool to delete a project.
Delete Saved SearchTool to delete a saved search.
Get Saved SearchTool to retrieve a saved search by id.
Get Saved Search Usage SummaryTool to get usage summary for a saved search.
List Collaborator Access Details for ProjectsTool to list summary details of the projects a collaborator has access to.
List CollaboratorsTool to list collaborators in an organization.
List Collaborators on ProjectTool to list collaborators on a project.
List Configured Integrations for ProjectTool to list configured integrations for a project.
List Errors on ProjectTool to list all errors in a project.
List Event Fields for ProjectTool to list event fields for a project.
List Events on ProjectTool to list events for a project.
List OrganizationsTool to list organizations for the authenticated user.
List Pivots for ProjectTool to list pivots for a project.
List ProjectsTool to list projects in an organization.
List Release GroupsTool to list release groups for a project.
List ReleasesTool to list releases for a project.
List Saved Searches on ProjectTool to list saved searches for a project.
List Supported IntegrationsTool to list all supported integrations.
List Trends for Project BucketsTool to list trend buckets for a project.
Regenerate Project API KeyTool to regenerate a project's api key.
Show Collaborator Access Details for ProjectTool to show a collaborator's access details for a project.
Show Collaborator on OrganizationTool to show a collaborator in an organization.
Show Collaborator on ProjectTool to show a collaborator in a project.
Update Collaborator PermissionsTool to update a collaborator's project access permissions.

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

The Bugsnag MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Bugsnag account. It provides structured and secure access to your error monitoring environment, so your agent can perform actions like managing errors, configuring integrations, inviting collaborators, and customizing project event fields on your behalf.

  • Bulk error management and updates: Let your agent update or clear multiple errors across your projects to streamline incident response and maintenance.
  • Integration configuration and cleanup: Have your agent set up new third-party integrations or remove existing ones, ensuring your Bugsnag projects are always connected to the right tools.
  • User and collaborator management: Easily invite new collaborators to your organization or remove access for old members, keeping your team roster up to date.
  • Custom event field creation and deletion: Direct your agent to add or remove custom event fields for advanced filtering and analytics within your projects.
  • Project-level administration and cleanup: Instruct your agent to perform large-scale actions such as deleting all errors or even entire projects, giving you powerful administrative control when needed.

Connecting Bugsnag via Tool Router

Tool Router 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 Bugsnag) for even more tool search precision. It's secure and reliable.

How the Tool Router works

The Tool Router 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 Bugsnag 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=["bugsnag"],
)

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 bugsnag-composio "{COMPOSIO_MCP_URL}" --headers "X-API-Key:{COMPOSIO_API_KEY}"')

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

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 Bugsnag
  • 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 Bugsnag MCP to Claude Code

bash
claude mcp add --transport http bugsnag-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 (bugsnag-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 Bugsnag MCP server is properly configured.

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

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

Claude Code MCP list showing the toolkit MCP server

Authenticate Bugsnag

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

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

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

  • "Bulk update error statuses for project X"
  • "Invite new collaborator to my organization"
  • "Create a saved search for critical errors"

Complete Code

Here's the complete code to get you started with Bugsnag 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=["bugsnag"],
)

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 bugsnag-composio "{COMPOSIO_MCP_URL}" --headers "X-API-Key:{COMPOSIO_API_KEY}"')

Conclusion

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

Key features of this setup:

  • Terminal-native experience without switching contexts
  • Natural language commands for Bugsnag 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 Bugsnag 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 Bugsnag MCP?

With a standalone Bugsnag MCP server, the agents and LLMs can only access a fixed set of Bugsnag tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Bugsnag 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 Bugsnag tools.

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

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

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