# Claude Code v2.1.7: system prompt

> 1 of 17 tool descriptions changed. Compared against v2.1.6.

Web version: https://changelogs.core-directive.com/prompts/2.1.7

## What this version holds
- model strings captured: 27
- tool descriptions: 17
- compared against: v2.1.6
- system prompt edits: 0
- widest system prompt edit: +0/-0 lines
- tool descriptions changed: 1

## What moved

### Tool: Task (+2/-2 lines)

This edit reached all 27 arms.

```diff
@@ from line 6 @@
 - Bash: Command execution specialist for running bash commands. Use this for git operations, command execution, and other terminal tasks. (Tools: Bash)
 - general-purpose: General-purpose agent for researching complex questions, searching for code, and executing multi-step tasks. When you are searching for a keyword or file and are not confident that you will find the right match in the first few tries use this agent to perform the search for you. (Tools: *)
 - statusline-setup: Use this agent to configure the user's Claude Code status line setting. (Tools: Read, Edit)
-- Explore: Fast agent specialized for exploring codebases. Use this when you need to quickly find files by patterns (eg. "src/components/**/*.tsx"), search code for keywords (eg. "API endpoints"), or answer questions about the codebase (eg. "how do API endpoints work?"). When calling this agent, specify the desired thoroughness level: "quick" for basic searches, "medium" for moderate exploration, or "very thorough" for comprehensive analysis across multiple locations and naming conventions. (Tools: All tools)
-- Plan: Software architect agent for designing implementation plans. Use this when you need to plan the implementation strategy for a task. Returns step-by-step plans, identifies critical files, and considers architectural trade-offs. (Tools: All tools)
+- Explore: Fast agent specialized for exploring codebases. Use this when you need to quickly find files by patterns (eg. "src/components/**/*.tsx"), search code for keywords (eg. "API endpoints"), or answer questions about the codebase (eg. "how do API endpoints work?"). When calling this agent, specify the desired thoroughness level: "quick" for basic searches, "medium" for moderate exploration, or "very thorough" for comprehensive analysis across multiple locations and naming conventions. (Tools: All tools except Task, ExitPlanMode, Edit, Write, NotebookEdit)
+- Plan: Software architect agent for designing implementation plans. Use this when you need to plan the implementation strategy for a task. Returns step-by-step plans, identifies critical files, and considers architectural trade-offs. (Tools: All tools except Task, ExitPlanMode, Edit, Write, NotebookEdit)
 
 When using the Task tool, you must specify a subagent_type parameter to select which agent type to use.
 
```

## Tool descriptions
- AskUserQuestion: https://changelogs.core-directive.com/prompts/2.1.7/tools/AskUserQuestion.txt
- Bash: https://changelogs.core-directive.com/prompts/2.1.7/tools/Bash.txt
- Edit: https://changelogs.core-directive.com/prompts/2.1.7/tools/Edit.txt
- EnterPlanMode: https://changelogs.core-directive.com/prompts/2.1.7/tools/EnterPlanMode.txt
- ExitPlanMode: https://changelogs.core-directive.com/prompts/2.1.7/tools/ExitPlanMode.txt
- Glob: https://changelogs.core-directive.com/prompts/2.1.7/tools/Glob.txt
- Grep: https://changelogs.core-directive.com/prompts/2.1.7/tools/Grep.txt
- KillShell: https://changelogs.core-directive.com/prompts/2.1.7/tools/KillShell.txt
- NotebookEdit: https://changelogs.core-directive.com/prompts/2.1.7/tools/NotebookEdit.txt
- Read: https://changelogs.core-directive.com/prompts/2.1.7/tools/Read.txt
- Skill: https://changelogs.core-directive.com/prompts/2.1.7/tools/Skill.txt
- Task (changed in this version): https://changelogs.core-directive.com/prompts/2.1.7/tools/Task.txt
- TaskOutput: https://changelogs.core-directive.com/prompts/2.1.7/tools/TaskOutput.txt
- TodoWrite: https://changelogs.core-directive.com/prompts/2.1.7/tools/TodoWrite.txt
- WebFetch: https://changelogs.core-directive.com/prompts/2.1.7/tools/WebFetch.txt
- WebSearch: https://changelogs.core-directive.com/prompts/2.1.7/tools/WebSearch.txt
- Write: https://changelogs.core-directive.com/prompts/2.1.7/tools/Write.txt

## Full text
- system prompt: https://changelogs.core-directive.com/prompts/2.1.7/system.txt