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WriterOpenAI

AA

Andrew Ambrosino

Codex & ChatGPT (Codex app)

Codex & OpenAI agents

Works on the Codex app/UX.

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RoleCodex & ChatGPT (Codex app)

Works onOpenAI

KindWriter

On X52.3K followers(Oct 29, 2026)

I.

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Verified Oct 29, 2026

Andrew Ambrosino is listed for their public work on agent harnesses; listing is not an endorsement. This profile only uses public information, checked on Oct 29, 2026. Request a correction or removal.

HHarness Hub

A hand-kept almanac of the people and projects working on agent harnesses: orchestration, memory, tooling, runtimes and evals.

Know a team, project or meetup we missed? Suggest an entry or add your meetup. Corrections are just as welcome. Building a harness yourself? Start with the open-source harness guide.

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Data last synced Oct 29, 2026 (events, news, papers, videos). Valuations and funding figures are approximate public reporting; re-verify them before relying on them.

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