# Last9 MCP Server (MCP server)

> Last9 MCP Server is an MCP server that adds cloud and DevOps tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Your AI agent doesn't know what's broken in production. It has 63 GitHub stars, is released under the Apache-2.0 license and runs locally with npx -y @last9/mcp-server.

Your AI agent doesn't know what's broken in production. This fixes that. Last9 MCP Server connects Claude, Cursor, Windsurf, and any other MCP-capable AI assistant directly to your production observability data — logs, metrics, traces, exceptions, database queries, alerts, and deployments. The agent stops guessing and starts reading the actual signal.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/last9/last9-mcp-server |
| GitHub stars | 63 |
| License | Apache-2.0 |
| Language | Go |
| Transport | stdio |
| Packages | npm: @last9/mcp-server |
| Remote URL | none |
| Needs API key | yes |
| Official | yes |
| Works with | Claude Desktop, Claude Code, Cursor, VS Code |
| Category | Cloud & DevOps |
| Latest release | v0.20.0 (Oct 26, 2026) |
| Last commit | Oct 26, 2026 |

## Install

### Claude Desktop (claude_desktop_config.json)

```json
{
  "mcpServers": {
    "last9-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@last9/mcp-server"
      ],
      "env": {
        "LAST9_REFRESH_TOKEN": "your-value"
      }
    }
  }
}
```

Settings > Developer > Edit Config. macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Restart Claude Desktop afterwards.

### Claude Code

```sh
claude mcp add --env LAST9_REFRESH_TOKEN=your-value --transport stdio last9-mcp-server -- npx -y @last9/mcp-server
```

### Cursor (.cursor/mcp.json)

```json
{
  "mcpServers": {
    "last9-mcp-server": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@last9/mcp-server"
      ],
      "env": {
        "LAST9_REFRESH_TOKEN": "your-value"
      }
    }
  }
}
```

Project file; use ~/.cursor/mcp.json to enable it in every project.

### VS Code (.vscode/mcp.json)

```json
{
  "inputs": [
    {
      "type": "promptString",
      "id": "last9_refresh_token",
      "description": "LAST9_REFRESH_TOKEN",
      "password": true
    }
  ],
  "servers": {
    "last9-mcp-server": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@last9/mcp-server"
      ],
      "env": {
        "LAST9_REFRESH_TOKEN": "${input:last9_refresh_token}"
      }
    }
  }
}
```

Config formats checked against the official docs on 2026-10-07.

## Environment variables

- `LAST9_REFRESH_TOKEN` (secret): Shown in the README's example configuration.

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---

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