# Claude Code v2.1.8: system prompt

> 1 of 17 tool descriptions changed. Compared against v2.1.7.

Web version: https://changelogs.core-directive.com/prompts/2.1.8

## What this version holds
- model strings captured: 27
- tool descriptions: 17
- compared against: v2.1.7
- system prompt edits: 0
- widest system prompt edit: +0/-0 lines
- tool descriptions changed: 1

## What moved

### Tool: WebSearch (+1/-1 lines)

This edit reached all 27 arms.

```diff
@@ from line 23 @@
 
 IMPORTANT - Use the correct year in search queries:
   - Today's date is 2026-08-14. You MUST use this year when searching for recent information, documentation, or current events.
-  - Example: If today is 2025-07-15 and the user asks for "latest React docs", search for "React documentation 2025", NOT "React documentation 2024"
+  - Example: If the user asks for "latest React docs", search for "React documentation 2026", NOT "React documentation 2025"
 
```

## Tool descriptions
- AskUserQuestion: https://changelogs.core-directive.com/prompts/2.1.8/tools/AskUserQuestion.txt
- Bash: https://changelogs.core-directive.com/prompts/2.1.8/tools/Bash.txt
- Edit: https://changelogs.core-directive.com/prompts/2.1.8/tools/Edit.txt
- EnterPlanMode: https://changelogs.core-directive.com/prompts/2.1.8/tools/EnterPlanMode.txt
- ExitPlanMode: https://changelogs.core-directive.com/prompts/2.1.8/tools/ExitPlanMode.txt
- Glob: https://changelogs.core-directive.com/prompts/2.1.8/tools/Glob.txt
- Grep: https://changelogs.core-directive.com/prompts/2.1.8/tools/Grep.txt
- KillShell: https://changelogs.core-directive.com/prompts/2.1.8/tools/KillShell.txt
- NotebookEdit: https://changelogs.core-directive.com/prompts/2.1.8/tools/NotebookEdit.txt
- Read: https://changelogs.core-directive.com/prompts/2.1.8/tools/Read.txt
- Skill: https://changelogs.core-directive.com/prompts/2.1.8/tools/Skill.txt
- Task: https://changelogs.core-directive.com/prompts/2.1.8/tools/Task.txt
- TaskOutput: https://changelogs.core-directive.com/prompts/2.1.8/tools/TaskOutput.txt
- TodoWrite: https://changelogs.core-directive.com/prompts/2.1.8/tools/TodoWrite.txt
- WebFetch: https://changelogs.core-directive.com/prompts/2.1.8/tools/WebFetch.txt
- WebSearch (changed in this version): https://changelogs.core-directive.com/prompts/2.1.8/tools/WebSearch.txt
- Write: https://changelogs.core-directive.com/prompts/2.1.8/tools/Write.txt

## Full text
- system prompt: https://changelogs.core-directive.com/prompts/2.1.8/system.txt