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bun-development

Fast, modern JavaScript/TypeScript development with the Bun runtime, inspired by [oven-sh/bun](https://github.com/oven-sh/bun).

51

Quality

56%

Does it follow best practices?

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SecuritybySnyk

Passed

No findings from the security scan

Fix and improve this skill with Tessl

tessl review fix ./plugins/AI-Agents-Safe-Coding-Skills-claude/skills/bun-development/SKILL.md

The canonical home for this skill is bun-development in sickn33/agentic-awesome-skills

SKILL.md
Quality
Evals
Security

Quality

Content

65%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 highly actionable with abundant executable examples, but it functions as a monolithic reference dump with weak progressive disclosure and no validation-checkpointed workflows. Splitting reference material into bundled files and trimming explanatory padding would improve it.

Suggestions

Move the detailed API reference (Bun.file, Bun.serve, SQLite, password hashing) and the testing/bundling sections into separate reference files under references/, keeping SKILL.md as an overview with one-level-deep links.

Add explicit validation/checkpoint steps to the migration and build workflows (e.g., verify the build output runs, confirm tests pass after migrating).

Trim the 'Why Bun?' comparison table and Slow-vs-Fast contrast blocks, which re-explain concepts Claude already knows.

DimensionReasoningScore

Conciseness

The body is mostly efficient command/code reference, but ~700 lines include padded sections like the 'Why Bun?' comparison table and Slow-vs-Fast examples that explain concepts Claude already knows.

3 / 5

Actionability

It provides extensive copy-paste-ready, executable code and commands across installation, APIs, testing, bundling, and migration, covering the common cases concretely.

5 / 5

Workflow Clarity

The content is organized as a topical reference rather than a sequenced workflow; sections like migration list steps 1-4 but lack validation checkpoints or error-recovery feedback loops.

3 / 5

Progressive Disclosure

Section headers give reasonable structure, but the entire API/testing/migration reference is inlined in one ~700-line SKILL.md with no bundle files or one-level-deep references, so content that belongs in separate files is not split out.

3 / 5

Total

14

/

20

Passed

Description

48%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 third-person and clearly scoped to Bun, but it is light on concrete actions and entirely missing a 'Use when...' trigger clause. Adding explicit triggers and specific capabilities would lift the completeness and specificity scores.

Suggestions

Add a 'Use when...' clause listing concrete trigger phrases (e.g., starting a Bun project, migrating Node.js to Bun, using Bun's test runner or bundler).

Replace the generic 'development' with specific actions (e.g., 'build, test, and bundle JS/TS projects with Bun').

Drop buzzword padding ('Fast, modern') in favor of concrete capability terms that users actually say.

DimensionReasoningScore

Specificity

The description names the domain ('JavaScript/TypeScript development with the Bun runtime') but the only action word is generic 'development' with no concrete actions like build, test, or bundle.

2 / 5

Completeness

It gives a clear 'what' (JS/TS dev with Bun) but no 'when' — there is no 'Use when...' clause or equivalent trigger guidance, which caps completeness at 3 per the rubric.

3 / 5

Trigger Term Quality

It includes relevant natural keywords ('Bun runtime', 'JavaScript/TypeScript') that users would say, but misses common variations and synonyms, and leans on buzzwords ('Fast', 'modern') rather than trigger phrases.

3 / 5

Distinctiveness Conflict Risk

The Bun-runtime framing carves a clear niche distinct from generic Node.js skills with minimal overlap risk, though 'JavaScript/TypeScript development' is still somewhat broad.

4 / 5

Total

12

/

20

Passed

Validation

87%

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

Validation14 / 16 Passed

Validation for skill structure

CriteriaDescriptionResult

skill_md_line_count

SKILL.md is long (697 lines); consider splitting into references/ and linking

Warning

frontmatter_unknown_keys

Unknown frontmatter key(s) found; consider removing or moving to metadata

Warning

Total

14

/

16

Passed

Repository
administrakt0r/AI-Agents-Safe-Coding-Skills
Reviewed

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