Terraphim
Clients v1.21.19
Terraphim

A project lesson your coding agent can find next time

01 Jul 2026 6 min

You explain the project's validation command. The session ends. Next time, the agent needs the same explanation. Keeping the instruction somewhere is useful only if the next run can find the right instruction again.

This walkthrough saves one lesson from a fictional project, opens it in a new process, and retrieves it through a small knowledge graph. You can inspect the exact saved text and repeat the same checks with the downloadable example.

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Technical

Guarding OpenCode with Destructive Command Guard

17 Apr 2026 4 min

AI coding assistants are fast, productive, and occasionally catastrophic. One misplaced rm -rf, one accidental git reset --hard, and hours of uncommitted work vanish.

Jeffrey Emanuel (@Dicklesworthstone) built Destructive Command Guard (dcg): a Rust binary with SIMD-accelerated pattern matching, 49+ security packs, and a fail-open design. It is one of the best tools to come out of the AI agent safety space, and it solved a problem we had been fighting with regex hacks.

This post shows how we integrated dcg with OpenCode using its plugin hook system, so destructive commands are intercepted before they run.

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Technical