binary-loop

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

Quality

74%

Does it follow best practices?

Run evals on this skill

Adds up to 20 points to the overall score

View guide

Securityby

Passed

No findings from the security scan

Fix and improve this skill with Tessl

tessl review fix ./.agents/skills/binary-loop/SKILL.md

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 exceptionally concise and well-structured with a clear iterative loop and validation gate, but it stays at a high level without the concrete cargo commands needed to execute each step.

Suggestions

Add the specific commands for measurement and rebuild, e.g. `cargo bloat --release` and `cargo build --release`, so the steps are copy-paste executable.

Name an explicit verification action in step 5 (e.g. a test suite or build-target matrix) rather than the abstract 'verification passes'.

Dimension	Reasoning	Score
Conciseness	A lean ~9-line workflow with no padding and no explanation of concepts Claude already knows; every line earns its place.	5 / 5
Actionability	Names tools and contributor categories (cargo-bloat, dependency, monomorphization, feature, codegen) but omits the actual executable commands (e.g. `cargo bloat --release`, `cargo build --release`), leaving key details missing.	3 / 5
Workflow Clarity	A clear 7-step sequence with an explicit keep/discard validation gate (step 5) and a repeat loop (step 6), though the specific verification command is not named.	4 / 5
Progressive Disclosure	Under 50 lines with no external bundle files and a well-organized numbered list plus a closing boundary note, satisfying the simple-skill exception for progressive disclosure.	5 / 5
	Total	17 / 20 Passed

Description

70%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 distinct, naming concrete tooling and constraints, but lacks an explicit trigger/usage clause that tells Claude when to invoke it.

Suggestions

Add an explicit 'Use when...' clause, e.g. 'Use when reducing Fallow binary size or when the user mentions binary bloat, release-build size, or cargo-bloat.'

Include common synonyms or trigger phrases (e.g. 'binary bloat', 'stripping', 'optimize binary size') to broaden natural keyword coverage.

Dimension	Reasoning	Score
Specificity	Names the domain (Fallow binary size reduction) and several concrete actions/tools ('cargo-bloat', 'release-build measurements', 'preserving features, performance, and compatibility'), with only minor coverage gaps.	4 / 5
Completeness	Clearly states what the skill does, but provides no explicit 'Use when...' trigger guidance, capping completeness at 3 per the rubric.	3 / 5
Trigger Term Quality	Includes natural terms a user would say ('binary size', 'cargo-bloat', 'release-build'), but omits common synonyms like 'binary bloat', 'stripping', or 'optimize'.	4 / 5
Distinctiveness Conflict Risk	Targets a clear niche (Fallow/Rust binary size via cargo-bloat and release builds) with distinct triggers and minimal overlap risk with other skills.	5 / 5
	Total	16 / 20 Passed

Validation

100%

Warnings & errors only

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

Validation — 16 / 16 Passed

Validation for skill structure

No warnings or errors.

Repository: fallow-rs/fallow
Path: .agents/skills/binary-loop/SKILL.md
Commit: d0ebe05

Reviewed: ~12 hours ago

Table of Contents

Discovery Implementation Validation

Is this your skill?

If you maintain this skill, you can claim it as your own. Once claimed, you can manage eval scenarios, bundle related skills, attach documentation or rules, and ensure cross-agent compatibility.