rationalize-deps

Analyze Cargo.toml dependencies and attempt to remove unused features to reduce compile times and binary size

Install with Tessl CLI

npx tessl i github:quickwit-oss/tantivy --skill rationalize-deps

What are skills?

1.40x

Quality

72%

Does it follow best practices?

Impact

62%

1.40x

Average score across 3 eval scenarios

Optimize this skill with Tessl

npx tessl skill review --optimize ./.claude/skills/rationalize-deps/SKILL.md

SKILL.md

Review

Evals

Evaluation results

73%

23%

Reduce Compile Times by Rationalizing Rust Dependencies

Dependency feature rationalization workflow

Criteria

Without context

With context

serde default-features disabled

100%

tokio default-features disabled

100%

serde derive feature kept

100%

tokio macros feature kept

100%

tokio rt feature kept

100%

cargo check command documented

cargo tree command used

cargo metadata command used

original config documented

100%

new config documented

100%

features removed documented

25%

62%

required features documented

100%

Without context: $0.2169 · 1m 6s · 9 turns · 14 in / 3,811 out tokens

With context: $0.6746 · 2m 38s · 29 turns · 192 in / 9,695 out tokens

57%

Minimize Reqwest Features for a Lightweight HTTP Client

Binary search for minimal feature set

Criteria

Without context

With context

reqwest default-features disabled

100%

cargo metadata used

binary search methodology

iterative compilation checks

default features listed

75%

rustls-tls or tls feature selected

100%

json feature selected

100%

unnecessary features removed

100%

feature justifications provided

87%

100%

final verification commands

25%

features removed listed

80%

Without context: $0.3214 · 1m 25s · 16 turns · 21 in / 4,838 out tokens

With context: $0.7531 · 3m 10s · 37 turns · 294 in / 10,352 out tokens

56%

28%

Audit and Reduce a Rust Workspace's Dependency Footprint

Workspace-wide analysis, prioritization, and full build verification

Criteria

Without context

With context

serde rationalized in core

100%

tokio rationalized in core

100%

tokio rationalized in cli

42%

100%

clap rationalized

33%

100%

serde rationalized in utils

100%

cargo tree -d for duplicates

22%

prioritization rationale

25%

37%

dev-dependencies consideration

77%

100%

final cargo check --all-targets

cargo test --no-run

per-dependency docs

88%

100%

cargo tree features command

cargo metadata command

Without context: $0.4867 · 2m 1s · 21 turns · 28 in / 7,436 out tokens

With context: $0.7912 · 3m 36s · 34 turns · 31 in / 13,996 out tokens

Evaluated: 4 days ago
Agent: Claude Code
Model: Claude Sonnet 4.6

Table of Contents

Reduce Compile Times by Rationalizing Rust Dependencies Minimize Reqwest Features for a Lightweight HTTP Client Audit and Reduce a Rust Workspace's Dependency Footprint

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