DISABLE_PROMPT_CACHING
Updated by Alex Sorokoletov
DISABLE_PROMPT_CACHING is a Claude Code environment variable: Prompt caching globally. Its release history is not tracked here. It is listed in the official reference.
| Status | Present in v2.1.294 |
|---|---|
| Category | Feature toggles |
| Official docs | Listed |
How to set it
For one session, export it in the shell that starts Claude Code:
export DISABLE_PROMPT_CACHING=<value>
claudeTo apply it to every session, add it to the env object of a settings file:
// ~/.claude/settings.json
{
"env": {
"DISABLE_PROMPT_CACHING": "<value>"
}
}Release notes that mention it
Related variables
CLAUDE_CODE_DISABLE_CFC_PROMPTCLAUDE_CODE_DISABLE_SUBSTITUTION_RM_PROMPTENABLE_PROMPT_CACHING_1HFORCE_PROMPT_CACHING_5MCLAUDE_CODE_DISABLE_ADMIN_ENV_UNIONCLAUDE_CODE_DISABLE_ARTIFACTCLAUDE_CODE_DISABLE_ATTACHMENTS: File/image attachments.CLAUDE_CODE_DISABLE_COMMAND_INJECTION_CHECK: Previously allowed disabling command injection detection.
Frequently asked questions
What does DISABLE_PROMPT_CACHING do?
Prompt caching globally
Which Claude Code version has DISABLE_PROMPT_CACHING?
Its release history is not tracked here.
How do I set DISABLE_PROMPT_CACHING?
Export it before starting Claude Code (export DISABLE_PROMPT_CACHING=value), or add it to the "env" object in ~/.claude/settings.json to apply it to every session.
All variables, searchable: Claude Code environment variables.