Content
73%Weight 40%Scale 1-5Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.
The body delivers an exceptionally clear, well-validated workflow with concrete executable examples, but pays for it in token efficiency: the iron law is repeated five times and the rationalization rebuttals are verbose. Bundle structure is sound with one well-signaled, one-level-deep reference.
Suggestions
Consolidate the five restatements of the core rule (Order of actions, Overview, Iron Law, Red Flags, Final Rule) into one authoritative statement plus one short reminder, cutting substantial tokens without losing the discipline message.
Trim the Common Rationalizations table to one-line rebuttals (e.g., "I'll test after" -> "Tests written after pass immediately; you never watched them fail, so they prove nothing.") and move extended reasoning into references/writing-good-tests.md.
Correct the test-run command to a directly executable form (e.g., `npx jest path/to/test.test.ts` or `npm test -- path/to/test.test.ts`) so the most-repeated instruction is copy-paste ready.
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | The core rule is restated five times across "Order of actions", "Overview", "The Iron Law", "Red Flags", and "Final Rule", and several rationalization-table entries are padded with multi-sentence justifications. It never explains concepts Claude already knows, so it stays above anchor 2, but the redundancy exceeds the 'minor instances' of anchor 4. | 3 / 5 |
Actionability | Complete, executable TypeScript examples for both test and implementation, a worked bug-fix example with expected output, and a verification checklist give mostly copy-paste-ready guidance. The most-repeated command, `npm test path/to/test.test.ts`, is not correct as written (npm requires a `--` separator to forward file arguments), a minor gap that keeps it below anchor 5. | 4 / 5 |
Workflow Clarity | Red-Green-Refactor is explicitly sequenced with mandatory verify steps ("Verify RED - Watch It Fail", "Verify GREEN"), feedback loops for error recovery ("Test errors? Fix error, re-run until it fails correctly"; "Test fails? Fix code, not test"), and a completion checklist — a direct match to the anchor-5 pattern of explicit validation, recovery loops, and checklists. | 5 / 5 |
Progressive Disclosure | Sections are well organized and the single reference (references/writing-good-tests.md, verified to exist, one level deep) is clearly signaled with a bullet summary of its contents. However, the ~320-line body inlines sizable catalogs (Common Rationalizations, Red Flags) that could be split out, so it reads as a full guide rather than the clear-overview-plus-split-content structure of anchor 5. | 4 / 5 |
Total | 16 / 20 Passed |