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Long-form notes on working with Claude Code: session archives, CLAUDE.md and context cost, multi-account setups, and what Claude Code writes to disk.

  1. How to cut Claude Code token costs: the 250-token index pattern

    Context files ride along on every message, so their size is a permanent per-turn tax. How to replace a 4,000-token CLAUDE.md with a bounded index.

    7 min read

    claude-codetokenscostcontext

  2. Managing Claude Code sessions on Windows

    Claude Code writes every session to a JSONL file in an encoded folder and gives you no way to browse them. What is on disk, and how to work with it.

    7 min read

    claude-codewindowssessionsworkflow

  3. Running multiple Claude accounts without losing your place

    Claude Code picks its account from CLAUDE_CONFIG_DIR. Here is how to run two or more side by side without losing sessions, memory or usage history.

    6 min read

    claude-codeaccountsworkflow

  4. Plan on an expensive model, execute on a free one

    Run the expensive reasoning once, then hand the approved plan to a cheap or free model to build. How the two-model split works and where it breaks.

    7 min read

    claude-codecostmodelsworkflow

  5. Reading Claude Code's own state: sessions, plugins, checkpoints, settings

    Claude Code keeps transcripts, checkpoints, plugin caches and settings on disk in formats it never documented. How to read them without breaking them.

    7 min read

    claude-codeinternalstooling

  6. What belongs in CLAUDE.md, and what belongs in path-scoped rules

    CLAUDE.md is read on every turn; path-scoped rules cost nothing until Claude opens a matching file. A working split, block by block, with token costs.

    7 min read

    claude-codeclaude-mdcontextconventions

  7. Why Claude Code forgets your project between sessions, and what to do about it

    Claude Code starts every session with an empty context window. Here is the actual mechanism behind the amnesia, and the three surfaces that fix it.

    7 min read

    claude-codememorycontext