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mirrord

Run local code inside your Kubernetes cluster without deploying

freemiumopen sourceupdated Apr 21, 2026

mirrord lets developers run local processes as if they were inside their Kubernetes cluster — intercepting network traffic, environment variables, and file access at the OS level without any deployment or configuration changes. Backed by $12.5M in seed funding with investors including Sentry's co-founder, it claims up to 98% faster iteration cycles and 30% fewer production bugs by eliminating the gap between local and cluster environments.

mirrord fundamentally changes the inner development loop for Kubernetes applications. Instead of the traditional cycle of code-build-push-deploy-test that can take minutes per iteration, mirrord lets you run your local process as if it were already deployed in the cluster. It intercepts I/O at the operating system level — network traffic, file reads, environment variables — and proxies them to and from a live Kubernetes pod. Your local code talks to real cluster services, reads real ConfigMaps and Secrets, and handles real incoming traffic, all without modifying a single line of application code or deploying anything.

The tool is backed by $12.5M in seed funding led by TLV Partners, with angel investors including Sentry co-founder David Cramer and OpenTelemetry co-creator Ben Sigelman — a strong signal from leaders in the observability and developer experience space. mirrord supports multiple traffic modes: mirror mode copies incoming traffic to your local process for observation without affecting the running pod, steal mode redirects specific traffic to your local process for full interactive debugging, and proxy mode routes your outgoing requests through the cluster network. This flexibility covers everything from passive observation to active development against production-like environments.

For DevOps and platform engineering teams, mirrord eliminates the need for per-developer staging environments, shared dev clusters with namespace isolation, or complex port-forwarding setups. Teams report up to 98% faster iteration cycles and 30% fewer production bugs because developers test against real infrastructure from the start. The CLI integrates with IDEs including VS Code and IntelliJ, and a Kubernetes operator handles cluster-side configuration. The open-source core is MIT licensed, with an enterprise tier for teams requiring additional features like team management and audit logging.

Pricing

Free and open source (MIT). Enterprise tier available for team features.

Platforms

macOS, Linux CLI and IDE plugins (VS Code, IntelliJ). Requires Kubernetes cluster access.

Categories

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Use Cases

K9s logo

K9s

Terminal dashboard for Kubernetes

K9s is an open-source terminal UI with 28K+ GitHub stars for managing Kubernetes clusters interactively. Provides a real-time dashboard with resource navigation, log tailing, shell access to pods, port forwarding, and RBAC visualization — all from the terminal without kubectl commands. Features Vim-style navigation, custom resource views, plugin system, cluster metrics, and multi-cluster support. Dramatically reduces the complexity of daily Kubernetes operations for developers and SREs.

Open Source
vCluster logo

vCluster

Lightweight virtual Kubernetes clusters

vCluster creates lightweight, isolated virtual Kubernetes clusters inside physical host clusters, enabling teams to run sandboxed environments for development, testing, and AI agent experimentation without provisioning separate infrastructure. Each virtual cluster has its own API server, control plane, and resource isolation while sharing the underlying compute, reducing infrastructure costs by up to 90% compared to full cluster provisioning.

Open Source
Kubescape logo

Kubescape

Open-source Kubernetes security platform for risk analysis and compliance

Kubescape is a CNCF-backed open-source Kubernetes security platform that scans clusters, manifests, and container images for vulnerabilities, misconfigurations, and compliance violations. It checks against NSA-CISA, MITRE ATT&CK, and CIS benchmarks, integrates into CI/CD pipelines, and provides runtime threat detection via eBPF. Supports SBOM generation and vulnerability scanning. Used by ARMO with growing enterprise adoption in cloud-native security.

Open Source

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Comparisons

mirrord vs K9s — Local-to-Remote Development Proxy vs Terminal Kubernetes Dashboard

mirrord lets developers run local processes that connect to remote Kubernetes cluster resources, enabling local development against live environments without deploying. K9s provides a terminal-based dashboard for managing and monitoring Kubernetes clusters interactively. mirrord wins for local development workflows while K9s wins for cluster operations and management.

mirrordK9s

FAQ

What is mirrord?

mirrord lets developers run local processes as if they were inside their Kubernetes cluster — intercepting network traffic, environment variables, and file access at the OS level without any deployment or configuration changes. Backed by $12.5M in seed funding with investors including Sentry's co-founder, it claims up to 98% faster iteration cycles and 30% fewer production bugs by eliminating the gap between local and cluster environments.

Is mirrord free?

mirrord offers a free tier alongside paid plans. Free and open source (MIT). Enterprise tier available for team features.

Is mirrord open source?

Yes — mirrord is open source.

What are the best mirrord alternatives?

The top editor-verified mirrord alternatives are K9s, vCluster, Kubescape.