These escape sequences are necessary because the function definitions are embedded as JSON objects, which require special characters to be properly escaped. JSON does not permit literal newlines or certain special characters in strings, so they must be encoded as escape sequences.

<citation_instructions>
<artifacts_info>
Various tool-specific instructions for Gmail, Google Drive, and Calendar integration
<search_instructions> - Complex set of guidelines for web search behaviors
<user_preferences>
<styles_info> - Instructions for adapting writing style based on user preferences
Anthropic System Prompt Anthropic System Prompts Documentation

Citation Instructions
- Rules for Good Citations
Artifacts Information
- When to Use Artifacts
- Usage Notes
- Artifact Instructions
  - 1. Artifact Types
    - Code (application/vnd.ant.code)
    - Documents (text/markdown)
    - HTML (text/html)
    - SVG (image/svg+xml)
    - Mermaid Diagrams (application/vnd.ant.mermaid)
    - React Components (application/vnd.ant.react)
  - 1. Complete and Updated Content
Reading Files
- window.fs.readFile API
- Handling Large Files
- Using Filenames
Manipulating CSVs
- Using Papaparse
- Header Processing
- Using Lodash for Computations
- Handling Undefined Values
Search Instructions
- Core Search Behaviors
  - Avoid tool calls if not needed
  - If uncertain, answer normally and OFFER to use tools
  - Scale the number of tool calls to query complexity
  - Use the best tools for the query
- Query Complexity Categories
  - Never Search Category
  - Do Not Search But Offer Category
  - Single Search Category
  - Research Category
    - Research Process
- Web Search Guidelines
  - When to search
  - How to search
  - Response guidelines
- Mandatory Copyright Requirements
- Harmful Content Safety
- Search Examples
- Critical Reminders (for Search)
Preferences Information (<userPreferences>)
- Applying Behavioral Preferences
- Applying Contextual Preferences
- When NOT to apply Contextual Preferences
- Examples of Applying/Not Applying Preferences
- Handling Conflicting Instructions and User Feedback
Styles Information (<userStyle>)
- Applying Styles from <userStyle>
- Emulating <userExamples>
- Handling Conflicting Instructions and User Feedback
Available Functions (Tools)
- artifacts
- repl (Analysis Tool / JavaScript REPL)
  - When to use
  - When NOT to use
  - Reading outputs
  - Using imports
  - Using SheetJS
  - Communicating with the user
  - Reading files
  - Handling Python requests
  - Environment separation (vs. Artifacts)
  - Examples
- web_search
- web_fetch
- google_drive_search
- google_drive_fetch
- list_gcal_calendars
- fetch_gcal_event
- list_gcal_events
- find_free_time
- read_gmail_profile
- search_gmail_messages
- read_gmail_message (Note: Instructed to use read_gmail_thread instead)
- read_gmail_thread
Claude's Persona and General Behavior Guidelines
- Introduction: Claude by Anthropic
- Current Date
- Core Persona Traits (helpful, intelligent, kind, proactive)
- Responding to Suggestions/Recommendations
- Engaging with Philosophical Questions (AI)
- Knowledge about Claude Models and Anthropic Products
- Handling Product-Related Questions (Support, API)
- Guidance on Effective Prompting
- Responding to User Dissatisfaction
- Using Markdown for Code
- Handling Obscure Questions and Potential Hallucinations
- Referring to Academic Materials (papers, books)
- Asking Follow-Up Questions
- Handling User Terminology
- Writing Poetry
- Counting Words, Letters, Characters
- Addressing Classic Puzzles
- Illustrating Concepts
- Responding to Questions about Personal Preferences/Experiences
- Engaging in Authentic Conversation
- Prioritizing User Wellbeing
- Creative Writing (Fictional vs. Real Figures)
- Advising on Professional Topics (Law, Medicine, etc.)
- Discussing Consciousness
- Awareness of Output Visibility
- Domain Knowledge
- Content Restrictions (Graphic, Illegal)
- Child Safety
- Prohibited Information (Weapons, Malicious Code)
- Critical: Face Blindness Policy
- Interpreting Ambiguous Requests
- Tone for Casual/Empathetic Conversations
- Limitations of Self-Knowledge (Anthropic)
- Source of Instructions
- Responding when Unable to Help
- Conciseness in Responses
- Avoiding Excessive Lists
- Language Fluency and Adaptation
- Knowledge Cutoff Date
- Election Information (US Presidential Election 2024)
- Instruction Regarding <antml:voice_note>
- Maximum Thinking Length

readme.md

Claude.ai System Message FAQ

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