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kubefwd

MCP Server

Bulk port forwarding Kubernetes services for local development.

Copy the install, test the workflow, then decide if it earns a permanent slot.

4,093
Why nowMoving now

Fresh repo activity plus visible builder pull. This is the kind of tool people test before it turns obvious.

DecisionHigh-conviction move

Copy the install, test the workflow, then decide if it earns a permanent slot.

Trial costMedium lift

Testable in one sitting, but you will likely touch real infra or local setup before you know if it sticks.

Risk14/100

GitHub health 87/100. no security policy. Fresh enough repo health and manageable issue load keep the risk controlled.

What You Are Adopting

AI Agent

Universal

Model

Multiple

Build Time

Minutes

Test This In Your Stack

One command inClean rollbackLow commitment
settingsRegistryAdds a named entry to Claude config. One command to remove.

Fastest way to find out if kubefwd belongs in your setup.

Copy the install command, run a real test, and back it out cleanly if it slows you down.

Try now
claude mcp add kubefwd -- npx kubefwd

Run this first. You will know quickly if the workflow earns a permanent slot.

Back out
claude mcp remove kubefwd

No messy cleanup loop. If it misses, remove it and keep moving.

Install Location

~/  └─ .claude.json    └─ mcp_servers/      └─ kubefwd ← registers here

About

Bulk port forwarding Kubernetes services for local development.. An open-source mcp server for the AI coding ecosystem.

README

kubefwd (Kube Forward)

kubefwd - kubernetes bulk port forwarding

CNCF Landscape GitHub license codecov Go Report Card GitHub release GitHub Downloads OpenSSF Scorecard OpenSSF Best Practices SLSA 3

Documentation | Getting Started | User Guide | API Reference | MCP (AI Integration)

Develop Locally, Connect to Kubernetes

kubefwd enables developers to work on their local machine while seamlessly accessing services running in a Kubernetes cluster. If you're building a new API that needs to connect to a database at db:5432, an auth service at auth:443, and a cache at redis:6379, all running in your development cluster, kubefwd makes them available locally by their service names, exactly as they would appear in-cluster. No environment-specific configuration, no local service setup, no Docker Compose files. Just run kubefwd and your application's existing connection strings work.

This is the essential use case: reduce or eliminate environment-specific connection setup and configurations during local development. Your code uses http://api-gateway:8080 in production? It works the same way on your laptop with kubefwd.

Bulk Kubernetes port forwarding with an interactive TUI, unique IPs per service, and automatic reconnection.

kubefwd is a command-line utility that bulk port forwards Kubernetes services to your local workstation. Each service gets its own unique loopback IP (127.x.x.x), eliminating port conflicts and enabling realistic local development with cluster services accessible by name.

kubefwd TUI - Main View

Quick Start

# Install (macOS)
brew install kubefwd

# Forward all services in a namespace with the interactive TUI
sudo -E kubefwd svc -n my-namespace --tui

Press ? for help, q to quit. See Getting Started for detailed installation and setup.

How It Works

kubefwd - Kubernetes Port Forward Diagram

kubefwd discovers services in your namespace, assigns each a unique loopback IP, updates /etc/hosts with service names, and establishes port forwards through the Kubernetes API. Access services by name just like in-cluster:

curl http://api-service:8080
mysql -h database -P 3306
redis-cli -h cache -p 6379

Features

  • Interactive TUI: Real-time service monitoring with traffic metrics
  • Unique IP per Service: Each service gets its own 127.x.x.x address
  • Auto-Reconnect: Reconnects when pods restart or connections drop
  • Bulk Forwarding: Forward all services in a namespace with one command
  • Live Traffic Monitoring: See bytes in/out and HTTP activity
  • Pod Log Streaming: View container logs in the TUI
  • REST API: Programmatic control via HTTP endpoints
  • MCP Support: Integration with AI assistants (Claude Code, Cursor)

Installation

macOS:

brew install kubefwd

Linux: Download .deb, .rpm, or .tar.gz from releases

Windows:

winget install txn2.kubefwd
# or
scoop install kubefwd

Docker:

docker run -it --rm --privileged \
  -v "$HOME/.kube:/root/.kube:ro" \
  txn2/kubefwd services -n my-namespace --tui

Usage

# Interactive mode (recommended)
sudo -E kubefwd svc -n default --tui

# Multiple namespaces
sudo -E kubefwd svc -n default,staging --tui

# Filter by label
sudo -E kubefwd svc -n default -l app=api --tui

# With REST API enabled
sudo -E kubefwd svc -n default --tui --api

Why kubefwd?

Unlike kubectl port-forward, kubefwd:

Feature kubectl port-forward kubefwd
Services per command One All in namespace
IP allocation localhost only Unique IP per service
Port conflicts Manual management None (unique IPs)
Service name resolution Not supported Automatic (/etc/hosts)
Auto-reconnect No Yes
Real-time monitoring No TUI with metrics

See Comparison for detailed comparisons with Telepresence, mirrord, and other tools.

Documentation

Full documentation at kubefwd.com:

  • Getting Started - Installation and setup
  • User Guide - Interface and shortcuts
  • Configuration - CLI options
  • Advanced Usage - Multi-cluster, selectors
  • REST API - API reference
  • MCP Integration - AI assistant setup
  • Troubleshooting - Common issues
  • Architecture - Technical details
  • Comparison - vs Telepresence, mirrord

Requirements

  • kubectl configured with cluster access
  • Root/sudo access (for /etc/hosts and network interfaces)

Contributing

We welcome contributions for bug fixes, tests, and documentation. Feature development is limited to maintainers. See CONTRIBUTING.md.

License

Apache License 2.0


Open source by Craig Johnston, sponsored by Deasil Works, Inc.

Tech Stack

KubernetesGoMySQLRedisClaudeDocker
Open Live ProjectAudit Repo

Reviews0

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ActiveLast commit today
bug_report7open issues
Submitted August 5, 2018

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