Glossary · term39 of 202
CLAUDE.md
A markdown file at a project's root that Claude Code CLI reads at the start of every session, holding build commands, conventions, and layout notes so they need not be re-explained.
also written as claude.md file
Related terms
/initA CLI slash command that reads the current codebase and writes a starting CLAUDE.md file, saving the need to re-explain the same project facts every session.view termcontext engineeringThe discipline of managing the full input a model sees, including system prompt, project files, tool output, and conversation history, rather than only the wording of one message.view term
At a glance
- cited by
- 10 posts
- categories
- 4
- first used
- apr 2026
Starter Usage Tips for Claude CLI and Claude DesktopEleven starter usages for Claude CLI and Claude Desktop, from Plan mode and CLAUDE.md to Projects and MCP connectors, picked for your first real session.
Claude Is a Math Problem (And the Context Window Is the Equation)The Claude context window is an equation, not a chat. Why failed attempts anchor the output, where measured degradation starts, and when to clear and re-derive.
How claude skills were meant to be made (by hand)Hand-written claude code skills outperform generated ones because they carry only the delta the model needs. Drop the bloat and survive every model upgrade.
Every Model Release Ages Your SkillsClaude Code ignoring CLAUDE.md is often an aged file, not a model bug. See which instructions a release expires, and which lines to delete on day one.
What Opus 5's Novel-Level Reasoning Benchmark Actually MeansOpus 5 novel reasoning rests on one number, 30.2% on ARC-AGI-3, and it scores action efficiency, not problems solved. Here are the four config lines to change.
How to Write Claude Code Skills That Actually TriggerWrite Claude Code skills that actually trigger: fix the description-as-router, structure for progressive disclosure, and test in fresh sessions.
Host a Minecraft or ARK Server With Claude CodeSkip the $25/month managed hosts. Use Claude Code to self-host a Minecraft or ARK game server in 15 minutes with zero DevOps knowledge required.
How to Reduce AI Coding Tool Token Usage by 50%Reduce AI coding tool token usage by half with system prompt trimming, targeted reads, and model routing. Save $100+/month on Claude Code, Cursor, and Copilot.
15 Claude Code Tips That Actually Make a DifferenceMost Claude Code tip lists overwhelm with 50 items. These 15 are ranked by impact, from writing your first CLAUDE.md to running overnight Docker jobs.
How to Run Claude Code With Local ModelsRun claude code local models with Ollama, LM Studio, or vLLM. Set three environment variables, point at your local server, and code with zero API costs.