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Show HN: Ctx – a /resume that works across Claude Code and Codex

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Why This Matters

The introduction of Ctx provides a local, privacy-focused context management tool for Claude Code and Codex, enhancing productivity and safety for developers working with AI chat models. Its features like exact transcript binding, safe branching, and indexed retrieval streamline workflows and ensure conversation integrity, making it a valuable asset for both individual developers and teams in the AI industry.

Key Takeaways

ctx

Local context manager for Claude Code and Codex.

Keep exact conversation bindings, resume work cleanly, branch context without mixing streams, and optionally inspect saved workstreams in a local browser frontend.

Claude Code chat Codex chat | | v v /ctx ... ctx ... \ / v v +----------------------+ | workstream: feature-audit | | claude: abc123 | | codex: def456 | +----------------------+ | +--> feature-audit-v2 branch

Why ctx

Exact transcript binding: each internal ctx session can bind to the exact Claude and/or Codex conversation it came from.

No transcript drift: later pulls stay on that bound conversation instead of jumping to the newest chat on disk.

Safe branching: start a new workstream from the current state of another one without sharing future transcript pulls or hijacking the source conversation.

Indexed retrieval: saved workstreams, sessions, and entries are indexed for fast ctx search lookup.

lookup. Curated loads: pin saved entries so they always load, exclude saved entries so they stay searchable but stop getting passed back to the model, or delete them entirely.

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