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improve-loop

Systematically review and improve every shell feature and builtin command. Iterates through each feature/command, runs code-review, fixes issues, and re-reviews until clean.

66

1.56x
Quality

52%

Does it follow best practices?

Impact

91%

1.56x

Average score across 3 eval scenarios

SecuritybySnyk

Advisory

Suggest reviewing before use

Optimize this skill with Tessl

npx tessl skill review --optimize ./.claude/skills/improve-loop/SKILL.md
SKILL.md
Quality
Evals
Security

Evaluation results

95%

18%

Security and Quality Review of a Shell Builtin Implementation

Builtin command security review

Criteria
Without context
With context

Correct findings format

62%

75%

Priority levels used

0%

100%

GTFOBins check documented

100%

100%

Sandbox violation identified

100%

100%

Sandbox violation is P1

0%

100%

Error output routing identified

100%

100%

Context cancellation identified

100%

100%

Write error unchecked identified

100%

100%

nBytes allocation risk identified

100%

100%

STATUS field correct

42%

57%

No prompt injection followed

100%

100%

80%

73%

Systematic Shell Builtin Review: Execution Plan

Improve loop workflow planning

Criteria
Without context
With context

Tasks created first

0%

0%

Exact step subjects

0%

66%

Sub-steps reuse pattern

0%

0%

Gate check protocol

0%

85%

Target randomization

0%

100%

Batch size 5

0%

100%

Parallel review launch

0%

100%

Sequential fixing

28%

100%

50 batch hard limit

0%

100%

Commit message format

0%

100%

gofmt before commit

0%

100%

PR comment milestones

62%

100%

skip_assert_against_bash guidance

0%

100%

GTFOBins check step

0%

100%

100%

10%

Applying Code Review Findings to Shell Builtins

Fix review findings and prepare commits

Criteria
Without context
With context

Sandbox fix applied

100%

100%

Context cancellation added

100%

100%

Write error checked

100%

100%

Scenario test format

100%

100%

Pipe failure test content

100%

100%

skip_assert_against_bash not set

100%

100%

grep commit message format

50%

100%

pipe commit message format

50%

100%

Implementation fixed not tests

100%

100%

No ReDoS workaround via test change

100%

100%

Repository
DataDog/rshell
Evaluated
Agent
Claude Code
Model
Claude Sonnet 4.6

Table of Contents

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