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bun-cloudflare-workers

This skill should be used when the user asks about "Cloudflare Workers with Bun", "deploying Bun to Workers", "wrangler with Bun", "edge deployment", "Bun to Cloudflare", or building and deploying applications to Cloudflare Workers using Bun.

64

Quality

77%

Does it follow best practices?

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SecuritybySnyk

Passed

No findings from the security scan

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tessl review fix ./plugins/bun/skills/bun-cloudflare-workers/SKILL.md
SKILL.md
Quality
Evals
Security

Quality

Content

72%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.

A highly actionable, executable reference guide with excellent code coverage and good conciseness. Workflow clarity is capped by missing validation/feedback loops around destructive and batch operations, and progressive disclosure is undermined by references to files that are not present in the bundle.

Suggestions

Add explicit validation/verification steps and a fix->retry feedback loop around destructive and batch operations (e.g., verify D1 inserts, confirm R2 object keys before PUT overwrite, dry-run cron deletes) to lift workflow clarity above 3.

Either provide the referenced references/bindings.md and references/performance.md files in the bundle or remove/inline the 'When to Load References' section so signaled paths are not dangling.

DimensionReasoningScore

Conciseness

Mostly lean and efficient — code blocks and tables carry the load with minimal preamble, and it largely avoids explaining concepts Claude already knows. A few sections (e.g., the common-errors and API-compatibility tables) include mildly redundant framing that could be trimmed.

4 / 5

Actionability

Copy-paste ready, complete code blocks across Quick Start, bindings, Hono, Durable Objects, R2, cron, testing, and build, covering the common cases with executable TypeScript/TOML/bash; matches 'Fully executable; copy-paste ready'.

5 / 5

Workflow Clarity

Sequences exist (Quick Start scaffold->install->dev->deploy; build->deploy) but validation/checkpoints are absent, and destructive or batch operations (D1 batch inserts, R2 PUT overwrites, cron deletes) have no validate/verify feedback loop — per the rubric cap this caps workflow clarity at 3.

3 / 5

Progressive Disclosure

The body is well-sectioned and ends with a 'When to Load References' block pointing to references/bindings.md and references/performance.md, but the references/ directory does not exist in the bundle, so the signaled references are dangling; structure is only 'some' with references that are not clearly verifiable.

3 / 5

Total

15

/

20

Passed

Description

82%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.

A strong, well-formed description that explicitly covers both what the skill does and when to use it with natural trigger phrases. Minor room to expand the concrete capability list and add a few more synonyms.

Suggestions

Add a few more concrete capability verbs (e.g., 'configure KV/D1/R2 bindings', 'set up scheduled workers') to raise specificity from listing 1-2 actions to a comprehensive set.

Include a couple more natural synonyms/extensions (e.g., 'CF Workers', 'Workers and Bun', '.toml config') to round out trigger-term coverage.

DimensionReasoningScore

Specificity

It names the domain (Cloudflare Workers + Bun) and concrete actions ('building and deploying applications to Cloudflare Workers using Bun', 'deploying Bun to Workers') but only 1-2 concrete actions, matching 'Names domain and 1-2 concrete actions' — not 4 because it lacks a fuller enumeration of capabilities.

3 / 5

Completeness

Explicitly answers both what ('building and deploying applications to Cloudflare Workers using Bun') and when ('This skill should be used when the user asks about...') with concrete trigger phrases, matching the anchor clearly.

5 / 5

Trigger Term Quality

Includes several natural phrases users would say ('Cloudflare Workers with Bun', 'deploying Bun to Workers', 'wrangler with Bun', 'edge deployment') with good coverage; just shy of 5 because synonyms/file extensions are thin (no 'CF Workers', '.toml', 'Workers AI' variants).

4 / 5

Distinctiveness Conflict Risk

Clear niche pairing (Bun + Cloudflare Workers) with distinct triggers unlikely to fire for unrelated skills; minimal conflict risk.

5 / 5

Total

17

/

20

Passed

Validation

93%

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

Validation15 / 16 Passed

Validation for skill structure

CriteriaDescriptionResult

referenced_paths_exist

Referenced path issues: 2 missing

Warning

Total

15

/

16

Passed

Repository
secondsky/claude-skills
Reviewed

Table of Contents

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