Use firecrawl to scrape the latest version of elite prompt engineering and context engineering documentation:
Engineering blog posts
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https://www.anthropic.com/engineering/effective-context-engineering-for-ai-agents- Effective context engineering for AI agents - •
https://www.anthropic.com/engineering/claude-code-best-practices- Claude Code best practices for agentic coding
Prompt engineering documentation
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https://platform.claude.com/docs/en/build-with-claude/prompt-engineering/overview- Prompt engineering overview - •
https://platform.claude.com/docs/en/build-with-claude/prompt-engineering/claude-4-best-practices- Claude 4.5 prompt engineering best practices - •
https://platform.claude.com/docs/en/build-with-claude/prompt-engineering/extended-thinking-tips- Extended thinking strategies - •
https://platform.claude.com/docs/en/build-with-claude/prompt-engineering/long-context-tips- Long context window tips (200K+ tokens) - •
https://platform.claude.com/docs/en/build-with-claude/prompt-engineering/prompt-improver- Prompt improver tool documentation
Context management
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https://platform.claude.com/docs/en/build-with-claude/context-editing- Context editing (beta) for managing conversation context - •
https://platform.claude.com/docs/en/build-with-claude/context-windows- Understanding context windows
External resources
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https://github.com/anthropics/prompt-eng-interactive-tutorial- Anthropic's interactive prompt engineering tutorial - •
https://www.promptingguide.ai/guides/optimizing-prompts- General prompt optimization guide
Use this information to optimally understand and apply current best practices for prompt engineering and context engineering, with particular emphasis on:
- •Designing effective system prompts for coding agents
- •Context management, curation, and compaction strategies
- •Extended thinking mode configuration and optimization
- •Long-horizon reasoning and state tracking
- •Tool usage patterns and parallel execution
- •Minimizing hallucinations and maximizing instruction following
- •Optimizing for Claude Code 2.1.x and Claude 4.5 model family performance