Context-aware caching proxy for Anthropic and OpenAI — maximizes prompt-cache hit rates by anchoring long-lived context into stable boundaries. Drop-in for Claude Code, Codex, Cursor, and custom harnesses.
Latest release v0.4.0 · 12 Jun 2026
1 file for Codex and OpenCode: ostk-cache AGENTS.md — 3,682 tokens loaded in every session.
AGENTS.md D 3,682 tok These files are os-tack/ostk-cache's own configuration — they tell Codex and OpenCode how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.