codex-shim turns Codex Desktop into a BYOK model router without losing the native agent loop
0xSero's codex-shim puts a local Responses-compatible routing layer in front of Codex Desktop so builders can use BYOK models, optional ChatGPT Codex passthrough, and policy-friendly local proxies without giving up the product UX that makes Codex compelling in the first place.
May 25, 2026
