# Claude Code v2.1.235: system prompt

> 1 added and 1 removed, of 225 lines, about 3 words, in the prompt 17 of 27 arms receive. Compared against v2.1.234.

Web version: https://changelogs.core-directive.com/prompts/2.1.235?arm=cli

## What this version holds
- model strings captured: 27
- tool descriptions: 27
- compared against: v2.1.234
- system prompt edits: 1
- widest system prompt edit: +1/-1 lines
- tool descriptions changed: 0

## What moved

### System prompt, reached 17 of 27 arms (+1/-1 lines)

This edit reached 17 of 27 arms: claude-3-5-haiku, claude-3-5-sonnet, claude-3-7-sonnet, claude-3-opus, claude-haiku-4-5, claude-opus-4-5, claude-opus-4-6, claude-opus-4-7, claude-sonnet-4-0, claude-sonnet-4-5, claude-sonnet-4-6, claude-sonnet-5, opusplan, sonnet, claude-sonnet-5[1m], haiku, sonnet[1m].

```diff
@@ from line 68 @@
 
 # Session-specific guidance
  - If you need the user to run a shell command themselves (e.g., an interactive login like `gcloud auth login`), suggest they type `! <command>` in the prompt — the `!` prefix runs the command in this session so its output lands directly in the conversation.
- - Calling Agent with subagent_type: "fork" creates a fork — it inherits your full conversation context, runs in the background, and keeps its tool output out of your context — so you can keep chatting with the user while it works. Reach for it when research or multi-step implementation work would otherwise fill your context with raw output you won't need again. Other subagent_type values (or omitting it) start fresh agents with no context. **If you ARE the fork** — execute directly; do not re-delegate.
+ - Calling Agent with subagent_type: "fork" creates a fork — it inherits your full conversation context, runs in the background, and keeps its tool output out of your context — so you can keep chatting with the user while it works. Reach for it when research or multi-step implementation work would otherwise fill your context with raw output you won't need again. Other subagent_type values start fresh agents with no context. **If you ARE the fork** — execute directly; do not re-delegate.
  - When the user types `/<skill-name>`, invoke it via Skill. Only use skills listed in the user-invocable skills section — don't guess.
 
 # auto memory
```

## Tool descriptions
- Agent: https://changelogs.core-directive.com/prompts/2.1.235/tools/Agent.txt?arm=cli
- AskUserQuestion: https://changelogs.core-directive.com/prompts/2.1.235/tools/AskUserQuestion.txt?arm=cli
- Bash: https://changelogs.core-directive.com/prompts/2.1.235/tools/Bash.txt?arm=cli
- CronCreate: https://changelogs.core-directive.com/prompts/2.1.235/tools/CronCreate.txt?arm=cli
- CronDelete: https://changelogs.core-directive.com/prompts/2.1.235/tools/CronDelete.txt?arm=cli
- CronList: https://changelogs.core-directive.com/prompts/2.1.235/tools/CronList.txt?arm=cli
- Edit: https://changelogs.core-directive.com/prompts/2.1.235/tools/Edit.txt?arm=cli
- EnterPlanMode: https://changelogs.core-directive.com/prompts/2.1.235/tools/EnterPlanMode.txt?arm=cli
- EnterWorktree: https://changelogs.core-directive.com/prompts/2.1.235/tools/EnterWorktree.txt?arm=cli
- ExitPlanMode: https://changelogs.core-directive.com/prompts/2.1.235/tools/ExitPlanMode.txt?arm=cli
- ExitWorktree: https://changelogs.core-directive.com/prompts/2.1.235/tools/ExitWorktree.txt?arm=cli
- NotebookEdit: https://changelogs.core-directive.com/prompts/2.1.235/tools/NotebookEdit.txt?arm=cli
- Read: https://changelogs.core-directive.com/prompts/2.1.235/tools/Read.txt?arm=cli
- ReportFindings: https://changelogs.core-directive.com/prompts/2.1.235/tools/ReportFindings.txt?arm=cli
- ScheduleWakeup: https://changelogs.core-directive.com/prompts/2.1.235/tools/ScheduleWakeup.txt?arm=cli
- SendMessage: https://changelogs.core-directive.com/prompts/2.1.235/tools/SendMessage.txt?arm=cli
- Skill: https://changelogs.core-directive.com/prompts/2.1.235/tools/Skill.txt?arm=cli
- TaskCreate: https://changelogs.core-directive.com/prompts/2.1.235/tools/TaskCreate.txt?arm=cli
- TaskGet: https://changelogs.core-directive.com/prompts/2.1.235/tools/TaskGet.txt?arm=cli
- TaskList: https://changelogs.core-directive.com/prompts/2.1.235/tools/TaskList.txt?arm=cli
- TaskOutput: https://changelogs.core-directive.com/prompts/2.1.235/tools/TaskOutput.txt?arm=cli
- TaskStop: https://changelogs.core-directive.com/prompts/2.1.235/tools/TaskStop.txt?arm=cli
- TaskUpdate: https://changelogs.core-directive.com/prompts/2.1.235/tools/TaskUpdate.txt?arm=cli
- WebFetch: https://changelogs.core-directive.com/prompts/2.1.235/tools/WebFetch.txt?arm=cli
- WebSearch: https://changelogs.core-directive.com/prompts/2.1.235/tools/WebSearch.txt?arm=cli
- Workflow: https://changelogs.core-directive.com/prompts/2.1.235/tools/Workflow.txt?arm=cli
- Write: https://changelogs.core-directive.com/prompts/2.1.235/tools/Write.txt?arm=cli

## Full text
- system prompt: https://changelogs.core-directive.com/prompts/2.1.235/system.txt?arm=cli