{
  "$type": "site.standard.document",
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  "path": "/t/codex-cloud-has-severe-issues-with-hex-pm-elixir-package-manager/1364544#post_11",
  "publishedAt": "2026-05-31T07:50:10.000Z",
  "site": "https://community.openai.com",
  "textContent": "I think I finally figured out what’s causing codex to not work with hex.pm\n\nThe issue is with `httpc` that it uses to connect to hex. 2 issues here:\n\n  1. Missing certificates, fix with `HEX_CACERTS_PATH=/usr/local/share/ca-certificates/envoy-mitmproxy-ca-cert.crt`\n  2. httpc sends empty headers (like `Te:` ) which envoy chokes on. Either add a mitm proxy that strips all empty headers before forwarding to the local proxy, OR patch `httpc` erlang code to not send empty headers. That seems to fix it\n\n",
  "title": "Codex Cloud has severe issues with hex.pm (Elixir package manager)"
}