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context-doctor

Reduces token waste in Claude Code sessions (run the built-in `/context` first; this skill covers what it does not) across two axes — context footprint (auto-generates .claudeignore, guides over-read files and /clear timing) and command output (routes to a command-output proxy/hook such as rtk to trim verbose CLI stdout). In hub environments, regularly audits bloated CLAUDE.md/MEMORY.md/memory/*.md files and proposes compression. Usable standalone without a hub clone.

plugins/fh-meta/skills/context-doctor/SKILL.md

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Nov 8, 2026
License
MIT

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# context-doctor — Token Efficiency Diagnosis + Automatic Prescription

Diagnoses the main causes of session token waste and prescribes immediate remedies:
1. No `.claudeignore` → unnecessary files loaded wholesale into context
2. Repeated full reads of large files → paying the same cost N times
3. Not using `/clear` after direction changes → continuing work with accumulated noise
4. Verbose CLI output → every `git`/`ls`/build/test call floods context with stdout (a *different* layer from 1–3 — see §Command-Output Reduction)

**Two reduction axes — keep them distinct.** Causes 1–3 are the **context-footprint** axis (what gets read *into* context: files, history). Cause 4 is the **command-output** axis (tokens produced *by* the tools you run). `.claudeignore` cannot touch command output, and a command-output proxy cannot touch file reads — they are complementary, not substitutes. (Step 3.5 below adds an optional **third**, orthogonal lever — provider-side cache billing — distinct from both.)

**Standalone install** — this skill works normally with plugin install only, without cloning the full meta-harness.

**Built-in `/doctor` first (sister anchor, 2026-07-25)**: since the Claude 5 generation, the official
`/doctor` command claims skill/CLAUDE.md rightsizing ("The new rules of context engineering for Claude 5