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binary-loop

Iteratively reduce Fallow binary size using cargo-bloat and release-build measurements while preserving features, performance, and compatibility.

62

Quality

72%

Does it follow best practices?

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SecuritybySnyk

Passed

No findings from the security scan

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tessl review fix ./.claude/skills/binary-loop/SKILL.md
SKILL.md
Quality
Evals
Security

Quality

Content

78%Weight 40%Scale 1-5

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

The body is an exceptionally lean, well-sequenced loop with a validation checkpoint and feedback cycle, but steps lack the specific commands (cargo-bloat invocation, release build) needed to be fully executable.

Suggestions

Add the concrete measurement commands (e.g. `cargo bloat --release --crates` and `cargo build --release`) so steps 1 and 4 are copy-paste executable.

Make the failure branch explicit in step 5 (e.g. 'If size regresses or verification fails, revert the change before continuing').

DimensionReasoningScore

Conciseness

A lean 8-line loop that assumes Claude's competence (no explanation of cargo-bloat, monomorphization, or codegen); every line earns its place with no padding.

5 / 5

Actionability

Gives a clear structured process and one concrete command (`review`), but most steps are high-level ('Measure the release binary', 'Implement a bounded change') without the specific cargo-bloat or cargo build commands needed to execute them.

3 / 5

Workflow Clarity

Clear numbered sequence (1-7) with an explicit validation gate ('Keep the change only when size improves and verification passes') and a repeat loop, but the error-recovery branch (what to do when verification fails) is implied rather than stated.

4 / 5

Progressive Disclosure

Under 50 lines, single-purpose, no external references needed; organized with a clear title, numbered steps, and a closing constraint line, satisfying the simple-skill exception.

5 / 5

Total

17

/

20

Passed

Description

66%Weight 40%Scale 1-5

Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.

The description is specific and domain-distinct with natural trigger terms, but omits an explicit 'Use when...' trigger clause, leaving the 'when to use' question unanswered and capping completeness at 3.

Suggestions

Add an explicit 'Use when...' clause naming trigger phrases users would say (e.g. 'Use when reducing Fallow binary size, trimming release bloat, or shrinking the cargo-bloat report').

Broaden trigger terms with common synonyms ('bloat', 'strip', 'linker dead-code') so the description matches more natural user phrasing.

DimensionReasoningScore

Specificity

Names the domain (Fallow binary size) and several concrete mechanisms ('cargo-bloat and release-build measurements', 'preserving features, performance, and compatibility'), but centers on a single task rather than listing multiple distinct actions.

4 / 5

Completeness

Clearly states what the skill does ('Iteratively reduce Fallow binary size...') but has no 'Use when...' clause or equivalent explicit trigger guidance, which caps completeness at 3.

3 / 5

Trigger Term Quality

Includes natural developer terms a user would say ('binary size', 'cargo-bloat', 'release-build') with good coverage, though a few common synonyms (e.g. 'bloat', 'strip', 'linker') are absent.

4 / 5

Distinctiveness Conflict Risk

Tied to a specific project (Fallow) and tool (cargo-bloat) gives it a clear niche with minimal conflict risk, though it lacks explicit trigger phrasing that would lock in distinctiveness.

4 / 5

Total

15

/

20

Passed

Validation

100%

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation16 / 16 Passed

Validation for skill structure

No warnings or errors.

Repository
fallow-rs/fallow
Reviewed

Table of Contents

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