Today's picks

Three developer tools caught my eye on Hacker News today: DeltaDB from the Zed team, HyperProbe from YC's latest batch, and Capy, an open-source secrets manager. They cover continuous version control, production debugging, and secrets management.

Zed DeltaDB: automatic version control built into the editor

Zed DeltaDB is what the Zed team shipped this week, and it scored 328 points on HN. It layers continuous source control onto the editor: every save and every change is recorded automatically, so you don't have to remember to commit, and you can rewind history whenever you want. Combined with Zed's existing AI features, agents can work against the full change history instead of just the current snapshot. It is in early access now, so you will need to sign up on the site.

It addresses a familiar pain: changes scattered across your working tree while git log drifts away from what you actually did. Growing version control into the editor itself is a direct approach.

HyperProbe: let coding agents debug in production

HyperProbe is a YC S26 company with a specific job: letting coding agents like Cursor and Claude debug read-only in production. When prod breaks, an agent can drop virtual breakpoints into running code and pull out exact variable values that logs don't have, without redeploying or iterating on console.log statements.

The founders emphasized safety in their Launch HN post: probes are read-only, data is redacted in-process, and you can audit which values were captured and which redaction rule matched. For teams that ship often and worry about giving agents too much power, that is a more reassuring design than a raw debug interface.

Capy: secrets management back in the terminal

Capy is an open-source secrets manager built on a simple gripe: existing secrets products are click-ops web UIs, disconnected from how developers actually work. Capy's entire frontend is a developer CLI. You encrypt .env files, sync them across the team, and ship anywhere without leaving the terminal, and you can even sign up from the CLI.

Managing secrets with Git-style commands has a low learning curve for anyone comfortable with the terminal, and it slots into agent and automation workflows neatly.

All three are young: DeltaDB is in early access, while HyperProbe and Capy can be tried right away. Links are above if any of them sounds useful.