last9-mcp-server

Last9 MCP Server

A Model Context Protocol server implementation for Last9 that enables AI agents to query your data using Last9.

Status

Works with Claude desktop app. Implements two MCP tools:

• get_exceptions: Get list of execeptions
• get_servicegraph: Get Service graph for an endpoint from the exception

Installation

You can install the Last9 MCP server using either

# Add the Last9 tap
brew tap last9/tap

# Install the Last9 MCP CLI
brew install last9-mcp

Configuration

Environment Variables

The service requires the following environment variables:

• LAST9_AUTH_TOKEN: Authentication token for Last9 MCP server (required)
• LAST9_BASE_URL: Last9 API URL (required)

Usage with Claude Desktop

Configure the Claude app to use the MCP server:

code ~/Library/Application\ Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "last9": {
      "command": "/opt/homebrew/bin/last9-mcp",
      "env": {
        "LAST9_AUTH_TOKEN": "your_auth_token",
        "LAST9_BASE_URL": "https://otlp.last9.io"
      }
    }
  }
}

Usage with Cursor

Configure Cursor to use the MCP server:

• Open Cursor settings
• Navigate to MCP
• Click Add New Global Configuration
• Add following stanza. If you already have a MCP server configured, only add the last9 stanza.

{
  "mcpServers": {
    "last9": {
      "command": "/opt/homebrew/bin/last9-mcp",
      "env": {
        "LAST9_AUTH_TOKEN": "your_auth_token",
        "LAST9_BASE_URL": "https://otlp.last9.io"
      }
    }
  }
}