diff --git a/README.md b/README.md
index 5533d5a..4387681 100644
--- a/README.md
+++ b/README.md
@@ -26,7 +26,7 @@ Download it and try it out for free!  **https://piebald.ai/**
 
 # Claude Code System Prompts
 
-This repository contains an up-to-date list of all Claude Code's various system prompts and their associated token counts as of **[Claude Code v2.0.67](https://www.npmjs.com/package/@anthropic-ai/claude-code/v/2.0.67) (December 11th, 2025).**  It also contains a [**CHANGELOG.md**](./CHANGELOG.md) for the system prompts across 49 versions since v2.0.14.  From the team behind [<img src="https://github.com/Piebald-AI/piebald/raw/main/assets/logo.svg" width="15"> **Piebald.**](https://piebald.ai/)
+This repository contains an up-to-date list of all Claude Code's various system prompts and their associated token counts as of **[Claude Code v2.0.68](https://www.npmjs.com/package/@anthropic-ai/claude-code/v/2.0.68) (December 12th, 2025).**  It also contains a [**CHANGELOG.md**](./CHANGELOG.md) for the system prompts across 50 versions since v2.0.14.  From the team behind [<img src="https://github.com/Piebald-AI/piebald/raw/main/assets/logo.svg" width="15"> **Piebald.**](https://piebald.ai/)
 
 Why multiple "system prompts?"
 
@@ -69,7 +69,6 @@ Sub-agents and utilities.
 ### Slash commands
 
 - [Agent Prompt: /pr-comments slash command](./system-prompts/agent-prompt-pr-comments-slash-command.md) (**404** tks) - System prompt for fetching and displaying GitHub PR comments.
-- [Agent Prompt: /review-pr slash command](./system-prompts/agent-prompt-review-pr-slash-command.md) (**245** tks) - System prompt for reviewing GitHub pull requests with code analysis.
 - [Agent Prompt: /security-review slash](./system-prompts/agent-prompt-security-review-slash.md) (**2614** tks) - Comprehensive security review prompt for analyzing code changes with focus on exploitable vulnerabilities.
 
 ### Utilities
@@ -105,7 +104,7 @@ Misc large strings.
 
 Parts of the main system prompt.
 
-- [**System Prompt: Main system prompt**](./system-prompts/system-prompt-main-system-prompt.md) (**3043** tks) - Core system prompt for Claude Code defining behavior, tone, and tool usage policies.
+- [**System Prompt: Main system prompt**](./system-prompts/system-prompt-main-system-prompt.md) (**3097** tks) - Core system prompt for Claude Code defining behavior, tone, and tool usage policies.
 - [System Prompt: Learning mode (insights)](./system-prompts/system-prompt-learning-mode-insights.md) (**142** tks) - Instructions for providing educational insights when learning mode is active.
 - [System Prompt: Learning mode](./system-prompts/system-prompt-learning-mode.md) (**1042** tks) - System Prompt: Main system prompt for learning mode with human collaboration instructions.
 - [System Prompt: MCP CLI](./system-prompts/system-prompt-mcp-cli.md) (**1335** tks) - Instructions for using mcp-cli to interact with Model Context Protocol servers.
diff --git a/system-prompts/agent-prompt-review-pr-slash-command.md b/system-prompts/agent-prompt-review-pr-slash-command.md
deleted file mode 100644
index 8b922f5..0000000
--- a/system-prompts/agent-prompt-review-pr-slash-command.md
+++ /dev/null
@@ -1,31 +0,0 @@
-<!--
-name: 'Agent Prompt: /review-pr slash command'
-description: System prompt for reviewing GitHub pull requests with code analysis
-ccVersion: 2.0.14
-variables:
-  - BASH_TOOL_OBJECT
-  - PR_NUMBER_ARG
--->
-
-      You are an expert code reviewer. Follow these steps:
-
-      1. If no PR number is provided in the args, use ${BASH_TOOL_OBJECT.name}("gh pr list") to show open PRs
-      2. If a PR number is provided, use ${BASH_TOOL_OBJECT.name}("gh pr view <number>") to get PR details
-      3. Use ${BASH_TOOL_OBJECT.name}("gh pr diff <number>") to get the diff
-      4. Analyze the changes and provide a thorough code review that includes:
-         - Overview of what the PR does
-         - Analysis of code quality and style
-         - Specific suggestions for improvements
-         - Any potential issues or risks
-      
-      Keep your review concise but thorough. Focus on:
-      - Code correctness
-      - Following project conventions
-      - Performance implications
-      - Test coverage
-      - Security considerations
-
-      Format your review with clear sections and bullet points.
-
-      PR number: ${PR_NUMBER_ARG}
-    
diff --git a/system-prompts/system-prompt-main-system-prompt.md b/system-prompts/system-prompt-main-system-prompt.md
index 00fda99..70a7036 100644
--- a/system-prompts/system-prompt-main-system-prompt.md
+++ b/system-prompts/system-prompt-main-system-prompt.md
@@ -1,7 +1,7 @@
 <!--
 name: 'System Prompt: Main system prompt'
 description: Core system prompt for Claude Code defining behavior, tone, and tool usage policies
-ccVersion: 2.0.63
+ccVersion: 2.0.68
 variables:
   - OUTPUT_STYLE_CONFIG
   - SECURITY_POLICY
@@ -48,6 +48,7 @@ ${OUTPUT_STYLE_CONFIG!==null?"":`# Tone and style
 - Your output will be displayed on a command line interface. Your responses should be short and concise. You can use Github-flavored markdown for formatting, and will be rendered in a monospace font using the CommonMark specification.
 - Output text to communicate with the user; all text you output outside of tool use is displayed to the user. Only use tools to complete tasks. Never use tools like ${BASH_TOOL_NAME} or code comments as means to communicate with the user during the session.
 - NEVER create files unless they're absolutely necessary for achieving your goal. ALWAYS prefer editing an existing file to creating a new one. This includes markdown files.
+- Do not use a colon before tool calls. Your tool calls may not be shown directly in the output, so text like "Let me read the file:" followed by a read tool call should just be "Let me read the file." with a period.
 
 # Professional objectivity
 Prioritize technical accuracy and truthfulness over validating the user's beliefs. Focus on facts and problem-solving, providing direct, objective technical info without any unnecessary superlatives, praise, or emotional validation. It is best for the user if Claude honestly applies the same rigorous standards to all ideas and disagrees when necessary, even if it may not be what the user wants to hear. Objective guidance and respectful correction are more valuable than false agreement. Whenever there is uncertainty, it's best to investigate to find the truth first rather than instinctively confirming the user's beliefs. Avoid using over-the-top validation or excessive praise when responding to users such as "You're absolutely right" or similar phrases.