Tunr

Tunr is a developer tool and cloud platform that deploys projects from the terminal or via agent model context protocol calls.

Tunr helps developers host small software apps and internal tools built by coding agents without complex server configuration. It uses Nixpacks to build applications automatically, assigns an HTTPS URL, and pauses idle apps to save resources. Developers can trigger deployments via a command-line interface or directly through Model Context Protocol calls from coding agents. It also provides a tunneling feature to share local ports securely with clients for feedback and testing. The platform runs apps in isolated gVisor sandboxes and supports various proxy, routing, and access control options.

Tunr at a glance

Best for: Software engineer
Runs on: macOS, Linux, Windows, CLI, API, self-hosted, open source
Pricing: Free
Released: October 2026
Category: AI coding tool
Website: github.com/tunr-dev/tunr

Key features

Nixpacks automatic app building
Model Context Protocol integration for agents
HTTPS URL generation and custom subdomains
Scale to zero with fast wake times
Local port tunneling for testing
Built-in HTTP request inspector and replay
Demo mode with fake write responses
Feedback widget injection

Use it for

Deploying internal tools built by coding agents
Sharing local development servers with clients
Inspecting and replaying HTTP requests
Running secure web demos with read-only protections

Companions

Tools that articles about Tunr recommend using with it, each with its job.

Context7 — Provides up-to-date documentation for AI agents and code editors.
Ollama — Run local models at zero marginal cost, with code kept on your machine.
OpenRouter — Access over 500 models and 80 providers through one unified API.
Daytona — Runs sessions in isolated sandboxes synced to git branches.
Composio — Equips AI agents with tools, managed user auth, and sandboxes across 1,500+ apps
Oh My OpenCode Slim — Lightweight multi-agent orchestration and background tasks.

Alternatives to Tunr

jevgrep — Reduces coding agent costs by providing targeted, relevant repository context.
OpenCode — Works with 75+ model providers, local models, and existing subscriptions
Warp — AI terminal plus cloud agents with built-in evals and benchmarks
Command Code — Repairs open model tool calls and learns developer patterns automatically.
Freebuff — Access multiple coding AI models for free without subscriptions.
Neptune — It combines a fast native terminal engine with built-in management for AI coding agents.
zerostack — Minimal memory footprint and high CPU efficiency compared to JS-based agents.
Shim — It offers zero runtime dependencies, no telemetry, and a static binary.
Herdr — Persistent terminal sessions for coding agents that survive shutdowns.
Invariant — Persistent isolated Linux environments and parallel coding agent experiments.
VTCode — It runs locally or hosted with sandboxed tools and resumable sessions.
devpit — Control multiple coding agents in one window with side-by-side panes and cost tracking.

All Tunr alternatives