Bugsnag MCP Server

Name: Bugsnag MCP Server
Author: tgeselle

@tgeselle

About Bugsnag MCP Server

A Model Context Protocol (MCP) server for interacting with Bugsnag. This server allows LLM tools like Cursor and Claude to investigate and resolve issues in Bugsnag.

Basic information

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "bugsnag": {
      "command": "npx",
      "args": [
        "-y",
        "bugsnag-mcp-server"
      ],
      "env": {
        "BUGSNAG_API_KEY": "your-bugsnag-api-key"
      },
      "disabled": false,
      "alwaysAllow": []
    }
  }
}

Tools

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Overview

What is Bugsnag MCP Server?

A Model Context Protocol (MCP) server for interacting with Bugsnag. It lets LLM tools like Cursor and Claude investigate and resolve issues in Bugsnag.

How to use Bugsnag MCP Server?

Configure the server in your LLM tool (Cursor or Claude Desktop) using npx -y bugsnag-mcp-server with the environment variable BUGSNAG_API_KEY set to your Bugsnag API key. Obtain the API key from Bugsnag’s organization settings as a personal access token with read projects, read and write errors, and read and write comments permissions.

Key features of Bugsnag MCP Server

Organization and project navigation
Error and event filtering with flexible parameters
Detailed stacktrace viewing with source code context
Exception chain visualization for root-cause analysis
Search issues by error class, message, or app version
Distinguish project code from third-party libraries

Use cases of Bugsnag MCP Server

Query and browse Bugsnag organizations and projects from an LLM chat
Investigate specific errors with full stacktraces and event history
Search for recurring error patterns across multiple errors
Identify root causes using exception chains
Monitor and manage error status (open, fixed, ignored) without switching contexts

FAQ from Bugsnag MCP Server

How do I obtain a Bugsnag API key?

Go to Bugsnag Settings > Organization settings > Access tokens, create a personal access token with permissions for read projects, read and write errors, and read and write comments.

What tools does the server provide?

Tools include list_organizations, list_projects, list_errors, view_error, list_error_events, view_latest_event, view_event, view_stacktrace, view_exception_chain, and search_issues.

Can I install the server without using npx?

Yes, you can globally install the package with npm install -g bugsnag-mcp-server and then run it directly.

How can I verify my API key is valid?

Run npx bugsnag-mcp-server test-api-key your-bugsnag-api-key. If valid, it lists your Bugsnag projects with their IDs.

What runtime dependencies does the server have?

It requires Node.js (tested on versions 18.x and 20.x) and runs via npx or a global npm installation. No other persistent local data is stored; all data comes from the Bugsnag API.

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