codex-changelog

Generate and publish X posts for Codex changelog updates.

Source: https://developers.openai.com/codex/changelog

Tracked topics:

• codex-app
• codex-cli

If multiple unseen changelog entries appear between checks, script outputs all unseen entries from oldest to newest.

Run

bun run index.ts

Automation

• workflow: .github/workflows/hourly.yml
• schedule: hourly (0 * * * *) + manual trigger
• index.ts generates, publishes to X, and updates state in one run
• commits .state/last_posted_key.txt when changed
• CI uses Claude CLI for post generation

Required secrets:

• CLAUDE_CODE_OAUTH_TOKEN
• X_API_KEY
• X_API_SECRET
• X_ACCESS_TOKEN
• X_ACCESS_TOKEN_SECRET

Useful flags

• none. single-purpose command.

Post generation

• default: post generated by local claude CLI
• style: multiline summary with line-level emojis + changelog link
• claude-only mode (fails loud on invalid/empty output)
• stdout: final posted text only

State file

Default: .state/last_posted_key.txt

• script stores the last posted changelog key
• CLI entries use rust-v<version> keys
• app entries use the changelog entry id
• script skips output when state key matches latest entry
• script backfills all unseen entries between state key -> latest
• script writes state only after successful post publish