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docs(registry/coder/modules/agent-firewall): add Codex MCP TLS workaround note#931

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docs(registry/coder/modules/agent-firewall): add Codex MCP TLS workaround note#931
35C4n0r wants to merge 3 commits into
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@35C4n0r 35C4n0r commented Jun 22, 2026

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Description

Documents the known upstream Codex CLI issue (openai/codex#29124) where MCP stdio subprocesses lose the CA cert and proxy environment variables injected by agent-firewall, causing TLS verification failures on startup. Adds a ### With Codex section under Examples with a warning block that describes the issue, links upstream, provides the per-server env_vars workaround, and tables all vars agent-firewall injects.

Generated by Coder Agents on behalf of @35C4n0r

Type of Change

  • New module
  • New template
  • Bug fix
  • Feature/enhancement
  • Documentation
  • Other

Module Information

Path: registry/coder/modules/agent-firewall
New version: 0.0.2
Breaking change: [ ] Yes [x] No

Template Information

N/A — documentation-only change.

Testing & Validation

  • Tests pass (bun test)
  • Code formatted (bun fmt)
  • Changes tested locally

Related Issues

@35C4n0r 35C4n0r added the version:patch Add to PRs requiring a patch version upgrade label Jun 22, 2026
@35C4n0r 35C4n0r self-assigned this Jun 22, 2026
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