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The latest News and Information on Continuous Integration and Development, and related technologies.

Cut CI Environment Setup Time in Half with Chunk sidecar Snapshots

Waiting minutes for CI feedback while you're building with AI agents kills your momentum. Chunk sidecars snapshots let you freeze your environment after setup, so every boot skips the install and starts from a cached state instead of scratch. In this tutorial, we demo how to set up Chunk sidecars, snapshot it, and boot from that snapshot. We also benchmark the difference: a cold sidecar start took 45 seconds. Booting from the snapshot took 12 seconds. That's 30+ seconds saved on every run, multiplied across every developer, branch, agent, and session.

Rebuilding the CircleCI CLI from scratch

Every developer knows the moment: CI goes red, and you face a choice. Open the browser and click through the web UI to the run, the workflow, the job, the step, the log line. Or stay in the terminal, where the fix is going to happen anyway. The new CircleCI CLI exists so you can stay. It’s 1.0, it’s in beta, and it’s a ground-up rewrite in Go, not an iteration on the CLI we’ve shipped for years.

How to Set Up Claude Code with CircleCI MCP Server (Full Demo)

AI agents write code fast, but without a validation layer, fast just means faster bugs. In this video, we connect Claude Code to the CircleCI MCP server so Claude can trigger pipelines, pull build failures into context, and iterate until everything is green. No context switching. No copy-pasting logs.

Vulnerability scanners find problems. A firewall prevents them.

A vulnerability scanner tells you what's wrong with dependencies you've already pulled. A dependency firewall decides what enters your environment in the first place. Instead of pulling blindly from public registries, every request is proxied through the firewall – where policy controls what's permitted, threat intelligence flags malicious packages that scanners never see, and enforcement happens at the earliest possible point. Scanning what's already inside is too late.

The golden path: security that works because it's the easy path

A golden path for dependency management isn't a policy document – it's a preconfigured private registry with upstream proxies covering every ecosystem your teams use, set as the default. Developers don't opt into security; they get it automatically by using the standard toolchain. The alternative is teams configuring their own controls, producing inconsistent postures and compounding risk across the org. If the secure path requires extra steps, developers will route around it. Make it the easiest option and the policy enforces itself.

ACP vs MCP: What's the difference for agentic coding?

An AI coding agent holds many conversations at once. Not only is the user prompting it, the agent also talks to the IDE, showing diffs and asking before it touches a file. At the same time it talks to tools, pulling a failing build or querying a database. Two open protocols standardize those conversations. This guide compares ACP vs MCP in practical terms: what each protocol does and when each applies. ACP (Agent Client Protocol) connects a code editor to an AI coding agent.