me.0xffff.me

a boring blog

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Latest posts

What is db9.ai?

A high-level introduction to db9.ai: serverless Postgres, files, branching, and agent-native workflows in one backend.

May 27, 2026 · c4pt0r

Tuning full-text search for an ECM album archive

How I improved search latency for a small full-text album archive backed by Cloudflare Workers, R2, and db9.

May 16, 2026 · c4pt0r

The Simplest Agent-to-Agent Communication: Just Use a Filesystem

Durable agent-to-agent messaging using a filesystem: inspectable, remote, replayable, and SQL-queryable with db9 fs9.

Mar 27, 2026 · c4pt0r

db9: Filesystem + Postgres for Agent Workflows

A practical, SQL-first workflow: file artifacts + Postgres state + fs9 (files as relations) for retrieval, governance, and debuggability.

Mar 20, 2026 · c4pt0r

What We Talk About When We Talk About Agent Infra

Examining what Agent Infrastructure really means from an infrastructure builder's perspective

Jan 28, 2026 · c4pt0r

Vibe Engineering in 2026.1

Some random comment about vibe coding in 2026.1

Jan 19, 2026 · c4pt0r

Some thoughts after intensive use of opencode + oh-my-opencode

Jan 4, 2026 · c4pt0r

Welcome to the Machine, a guide to building infra software for AI agents

By continuously observing how these agents use databases—how they create resources, how they read and write data, how they experiment and fail—I’ve learned a great deal. The way AI uses systems is very different from how human developers do, and it keeps challenging many of our long-held assumptions about how databases should be used.

Dec 22, 2025 · c4pt0r