Show HN: Kiwi – Run agentic dev loops in the cloud, keep keys on your laptop

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GitHub - ibreakthecloud/kiwi · GitHub

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Kiwi: The Secure Agentic Control Plane

Kiwi is an enterprise-ready secure execution engine that runs autonomous developer loops (TDD Actor-Critic alignment) in the cloud while pulling required secrets dynamically and securely from the local machine over a reverse tunnel.

With Kiwi, you can trigger complex, long-running agent workflows in the cloud sandbox and safely close your laptop . If a step requires a developer credential (like a GitHub OAuth token, database credentials, or API keys), the execution statefully pauses, wait for you to reconnect, and resumes once the tunnel is active.

High-Level Architecture

>Server: 1. Pack & Sync Codebase (ZIP upload)<br>Server->>Sandbox: 2. Extract Workspace<br>Server->>Server: 3. Spawn Actor-Critic Loop<br>CLI->>Server: 4. Open Reverse Tunnel stream (GET /tunnel/{id})

loop Loop Execution<br>Sandbox->>Server: Resolve Env Key (e.g. GITHUB_TOKEN)<br>Server->>CLI: Request Secret Key over Tunnel<br>Note over CLI: Fetch key from env / secrets.json<br>CLI-->>Server: POST Secret Value (POST /tunnel/{id}/response)<br>Server-->>Sandbox: Inject Credentials<br>Sandbox->>Sandbox: Execute Test / Build commands<br>end

Note over CLI: Laptop Closed! (Tunnel Breaks)<br>Server->>Server: Detect Disconnect & set Task State to "PAUSED"<br>Server->>Server: Block loop execution thread

Note over CLI: Laptop Opened! (Reconnected)<br>CLI->>Server: Resume Task (kiwi -resume -task-id {id})<br>Server->>Server: Set Task State back to "RUNNING"<br>Server->>Server: Unblock thread & continue execution<br>" dir="auto">

sequenceDiagram<br>participant CLI as Local CLI Client<br>participant Server as Kiwi Cloud Daemon<br>participant Sandbox as Cloud Sandbox (Temp Dir)

CLI->>Server: 1. Pack & Sync Codebase (ZIP upload)<br>Server->>Sandbox: 2. Extract Workspace<br>Server->>Server: 3. Spawn Actor-Critic Loop<br>CLI->>Server: 4. Open Reverse Tunnel stream (GET /tunnel/{id})

loop Loop Execution<br>Sandbox->>Server: Resolve Env Key (e.g. GITHUB_TOKEN)<br>Server->>CLI: Request Secret Key over Tunnel<br>Note over CLI: Fetch key from env / secrets.json<br>CLI-->>Server: POST Secret Value (POST /tunnel/{id}/response)<br>Server-->>Sandbox: Inject Credentials<br>Sandbox->>Sandbox: Execute Test / Build commands<br>end

Note over CLI: Laptop Closed! (Tunnel Breaks)<br>Server->>Server: Detect Disconnect & set Task State to "PAUSED"<br>Server->>Server: Block loop execution thread

Note over CLI: Laptop Opened! (Reconnected)<br>CLI->>Server: Resume Task (kiwi -resume -task-id {id})<br>Server->>Server: Set Task State back to "RUNNING"<br>Server->>Server: Unblock thread & continue execution

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Core Features

Actor-Critic Alignment Loop : A test-driven development (TDD) controller that iteratively edits code, evaluates compiler/test stdout in the sandbox, and refines fixes.

Reverse Credential Tunneling : Eliminates the need to persist long-lived AWS, GitHub, or GCP API credentials on cloud sandbox hosts.

Headless Laptop Pause & Resume : Complete offline resilience. Execution freezes statefully when a laptop disconnects and resumes when it reconnects.

Loop Safety & Budgeting : Built-in protection gates:

Circuit Breaker : Detects infinite recursive loop states by tracking duplicate compiler stdout patterns.

Budget Caps : Sets strict cost controls per task (runs at simulated token pricing) to prevent budget drainage.

Interactive Kanban Dashboard : Embedded dark-themed dashboard featuring status cards, live polling, log filters, and a real-time console log viewer.

Getting Started

Prerequisites

Go 1.21 or higher

macOS ( Tahoe/darwin ARM64 ) or Linux

Quick Setup

Clone & Build :

# Build and sign the...

server sandbox tunnel loop kiwi execution

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