Cache Tax
Cache Tax is a Claude Code mod that keeps your prompt cache warm during breaks and shows the estimated cost before a cold resend, for people who use Claude Code.
What it is good for
- Avoiding surprise charges when resuming a long Claude Code session
- Keeping a Claude Code session's cache active during short breaks
- Seeing the estimated cost before resending an expired conversation
At a glance
- Who it is for
- Setup
- Guided command-line setup
Level 4 of 5. You copy and paste commands into a terminal by following the instructions. Comfortable territory for vibe coders.
- Cost
- Not stated
- Type
- Agent app
- Tasks
- Works with
- Claude Code
Momentum
- Rank this week
- Not ranked yet
- Best rank
- None yet
- GitHub stars
- 334
GitHub numbers as of Nov 2, 2026. Updated weekly.
Official links
Setup steps are on the official pages. We do not repeat them here, since they change.
Questions
- Do I need to know how to code to use Cache Tax?
- You do not need to write code, but setup means copying and pasting commands into a terminal by following its instructions.
- What does Cache Tax work with?
- According to its own documentation, it works with Claude Code.
- What is Cache Tax good for?
- Avoiding surprise charges when resuming a long Claude Code session, keeping a Claude Code session's cache active during short breaks, and seeing the estimated cost before resending an expired conversation.
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