5 Tips to Reduce CI Time When You Code with AI Agents
Cut CI waste from agent PRs with labels, cancel-in-progress, precise triggers, dependency caches, and local checks before each push.
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Deploy a React app with the Celesto Python SDK
Create a cloud computer, build a React app, and publish a public HTTPS preview with the Celesto Python SDK. No AI assistant required.
Deploy a React App to a Public Preview with Celesto MCP
Deploy a React app to a Celesto cloud computer, build it with Vite, and share a public HTTPS preview through your AI assistant.
Run Docker and Compose CI from Your Personal GitHub Account
Run Docker builds, PostgreSQL services, and Azurite tests on Celesto CI from a personal GitHub account. Use tested examples and compare the cost of your actual jobs.
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All posts ↗Cut Rust Compile Time by 36% on CI with Celesto
Celesto cut median Rust release compile time from 18.14 to 11.60 seconds on matched 4-vCPU CI runners. Inspect the controls and run the public fixture.
Celesto CI vs. GitHub: Faster Cache-Hit Jobs on Half the CPUs
A faster GitHub Actions runner for cache-hit jobs: Celesto CI took 24 seconds on 1 vCPU versus GitHub-hosted's 31 seconds on 2 vCPUs in our benchmark.
Give Claude Code, Codex, and Hermes a Celesto Cloud Computer
Connect Claude Code, Codex, Hermes Agent, or another MCP client to Celesto. List, create, start, stop, and use cloud computers from your agent.
Can Docker Safely Run AI Agents? Containers vs. MicroVMs
Docker protects trusted workloads, but containers share the host kernel. Compare Docker and microVM boundaries for untrusted AI agent code.
Articles
5 Tips to Reduce CI Time When You Code with AI Agents
Cut CI waste from agent PRs with labels, cancel-in-progress, precise triggers, dependency caches, and local checks before each push.
Deploy a React app with the Celesto Python SDK
Create a cloud computer, build a React app, and publish a public HTTPS preview with the Celesto Python SDK. No AI assistant required.
Deploy a React App to a Public Preview with Celesto MCP
Deploy a React app to a Celesto cloud computer, build it with Vite, and share a public HTTPS preview through your AI assistant.
Run Docker and Compose CI from Your Personal GitHub Account
Run Docker builds, PostgreSQL services, and Azurite tests on Celesto CI from a personal GitHub account. Use tested examples and compare the cost of your actual jobs.
Cut Rust Compile Time by 36% on CI with Celesto
Celesto cut median Rust release compile time from 18.14 to 11.60 seconds on matched 4-vCPU CI runners. Inspect the controls and run the public fixture.
Celesto CI vs. GitHub: Faster Cache-Hit Jobs on Half the CPUs
A faster GitHub Actions runner for cache-hit jobs: Celesto CI took 24 seconds on 1 vCPU versus GitHub-hosted's 31 seconds on 2 vCPUs in our benchmark.
Give Claude Code, Codex, and Hermes a Celesto Cloud Computer
Connect Claude Code, Codex, Hermes Agent, or another MCP client to Celesto. List, create, start, stop, and use cloud computers from your agent.
Can Docker Safely Run AI Agents? Containers vs. MicroVMs
Docker protects trusted workloads, but containers share the host kernel. Compare Docker and microVM boundaries for untrusted AI agent code.
NVIDIA OpenShell vs Celesto: Two Approaches to Secure AI Agent Sandboxes
Compare NVIDIA OpenShell and Celesto across isolation, security policies, microVMs, Windows support, browser automation, snapshots, and agent workloads.
How to Run Pi Coding Agent on a Celesto Cloud Computer
Keep Pi and your model credentials local while its coding tools run in an isolated Celesto cloud workspace, then safely sync the changes back.
Firecracker on macOS: Develop with QEMU, Deploy with Firecracker
Firecracker does not run natively on macOS. Learn how to develop with Celesto and QEMU on a Mac, then switch to Firecracker on Linux with one backend flag.
Firecracker, QEMU, and libkrun Performance Benchmarks and Sizing Profiles
Measured Firecracker and QEMU performance, an honest libkrun data gap, reproducible benchmark commands, and practical sizing profiles for AI sandboxes.
Petabyte-scale storage for AI agent sandboxes
CelestoFS gives AI agent sandboxes a durable petabyte-scale workspace filesystem for repositories, build artifacts, datasets, and workspace state.
How qcow2 Overlays Work in QEMU
Learn how qcow2 backing files work in QEMU, why they are different from Linux overlayfs, and how they make VM sandbox cloning fast and cheap.
Open Source Windows Sandbox in Python: Run Windows 11 on Linux with Celesto
Celesto now supports Windows 11 sandboxes. Boot disposable Windows VMs from Python, run PowerShell, upload files, pass environment variables, and tear the VM down after the task.
How to Safely Run AI-Generated Code with Celesto (Open-Source MicroVM Sandbox)
Celesto is an open-source microVM runtime that lets AI agents run untrusted code in a hardware-isolated sandbox. Learn why Docker isn't enough for LLM-generated code and how to spin up a Firecracker-powered sandbox in three lines of Python.
VMs vs microVMs vs Docker for AI Agents
Not all isolation is equal. Here's how to pick the right one for your AI agents.
What are AI sandboxes
Give it a disposable computer, not your laptop.
Don’t Let Claude Use Your Computer from the CLI
Give it a disposable computer, not your laptop.
Orchestrating Dinner with OpenClaw
Build an agentic personal chef that learns your preferences over time.
Scraping Pokemon Cards with AI Agents
Build an AI agent that scrapes Pokemon card prices from Cardmarket using Agentor and ScrapeGraphAI. Full code included.
OpenClaw vs ChatGPT: Why I Cancelled ChatGPT After Using OpenClaw
I cancelled ChatGPT after switching to OpenClaw—an always-on assistant you can use via Telegram, WhatsApp, or iMessage. Here’s the difference.
Why You Should Not Run OpenClaw on Your Personal Laptop (and What to Do Instead)
Running OpenClaw on your laptop is convenient—but unreliable and risky. Learn the real failure modes and safer ways to host it (VPS, sandboxing, or Celesto).