Harbor

Name: Harbor
Author: luke-fairbanks

@luke-fairbanks

About Harbor

Native macOS app that boots all your local dev servers with one button: smart port allocation, crash recovery, live resource monitoring, and an in-process MCP server so Claude/Codex can drive your dev environment.

#macos #developer-tools #process-manager #dev-servers #ports #logs #tauri #rust #local-first

Basic information

Config

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

{
  "mcpServers": {
    "harbor": {
      "type": "http",
      "url": "http://127.0.0.1:7777/mcp",
      "headers": {
        "Authorization": "Bearer <token from Harbor's Connect screen>"
      }
    }
  }
}

Tools

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Overview

What is Harbor?

Harbor is a native macOS app that boots all your local dev servers with one button: smart port allocation probed on both IPv4 and IPv6, crash recovery with bounded backoff, live logs, and per-service resource monitoring. An embedded Streamable HTTP MCP server exposes all of it to AI agents.

How to use Harbor?

Install the signed and notarized dmg from GitHub Releases (or brew install --cask luke-fairbanks/tap/harbor), drag a project folder onto the window, and Harbor proposes the run config. Open the Connect your Claude screen for one-click MCP setup of Claude Code, Claude Desktop, or Codex.

Key features of Harbor

One-button start with a topo-sorted dependency order and live log streaming
Port intelligence: preferred then next-free allocation, probed on both IPv4 and IPv6, with ${PORT} placeholders resolved across services
Detects and adopts already-running servers, so it never double-starts into EADDRINUSE
Auto-restart on crash (opt-in per app) with bounded backoff and native notifications
Live CPU and memory per service, in the window and the menu bar popover
Embedded MCP server on 127.0.0.1 with a per-install bearer token

Use cases of Harbor

Ask Claude to scan a repo, write the run config, and start everything with ports resolved
Let an agent read logs and resource usage to debug a failing dev server
Start and stop your whole stack from the menu bar without touching a terminal

FAQ from Harbor

Where is the source code for Harbor?

The source code is at https://github.com/luke-fairbanks/harbor-mcp (MIT licensed).

Does Harbor include a standard MCP config?

Yes. Harbor runs a local Streamable HTTP MCP server at http://127.0.0.1:7777/mcp, authenticated with a per-install bearer token shown in Harbor's Connect screen.

Comments

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