context-dietlisted

# context-diet Every Claude Code request ships tool definitions, a bundled-skills catalogue, and feature instructions you may never use — tens of thousands of tokens per turn, billed every turn, that the model reads before reaching your actual problem. This skill measures that overhead and trims it. Method adapted from aihero.dev, "How to kill the bloat in Claude Code's system prompt." ## The idea in one line A **bare tool name** in `permissions.deny` (e.g. `"NotebookEdit"`) removes the tool's *definition* from the payload. A **scoped rule** (e.g. `"Skill(dataviz)"`) only blocks the call but keeps the definition. To shrink tokens, deny bare names and flip `disable*` flags. ## Quick start — apply the diet ```bash node scripts/apply-config.mjs # merge into ~/.claude/settings.json (global) node scripts/apply-config.mjs --project # into ./.claude/settings.json (this project) node scripts/apply-config.mjs --dry-run # preview, write nothing ``` The script **backs up** the target first, then appends deny rules (deduped, existing order preserved) and sets the disable flags. Then **restart Claude Code** and run `/context` to confirm the drop. Pass `--template templates/settings.conservative.json` for the safe subset. ## Measure — before and after 1. `/context` in a session prints the system / tools / MCP / memory / message token split. It reports one combined "tools" number, not a per-tool ranking. 2. For a per-tool ranking, run the logging proxy: ```bash