3 pages for claude_code_simple.
Titles and paths first, then pages whose text carries it. Each row opens that page as this site last read it.
Modifying system prompts
Claude Code CLI · in the page
agent-sdk/modifying-system-prompts
…etting has no effect in a session on the shorter system prompt; set [`CLAUDE_CODE_SIMPLE_SYSTEM_PROMPT`](/docs/en/env-vars#variables) to `0` to select the full prompt on any model. Keep them when your…
CLI reference
Claude Code CLI · in the page
cli-reference
…ad. Claude has access to Bash, file read, and file edit tools. Sets [`CLAUDE_CODE_SIMPLE`](/docs/en/env-vars). See [bare mode](/docs/en/headless#start-faster-with-bare-mode)…
Output styles
Claude Code CLI · in the page
output-styles
…ection, so the field has no effect there. To rely on the field, set [`CLAUDE_CODE_SIMPLE_SYSTEM_PROMPT`](/docs/en/env-vars#variables) to `0`, which selects the full prompt on any model. Output styles…