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Claude Code Custom System Prompts in 2026: Overriding Defaults, Appending Instructions, and What You Cannot Change

Source: DEV Community·
Claude

Summary

Developers discover that Claude Code ignores custom instructions because they set them in the wrong layer. Learn the three ways to shape Claude Code behavior, what the system prompt actually controls, and which parts remain locked no matter what you
CategoryAI Tutorials & Practice
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Indexed by AIQB
SourceDEV Community
AIQB record IDintel-45de61c6ef973f39e25dc4cc
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