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BD cloudflare-bundler-apps

Author Cloudflare Worker Bundler-compatible apps that build and preview correctly inside a space. Use this skill whenever you scaffold, modify, or deploy a project that will be built with `@cloudflare/worker-bundler` (i.e. anything served from `/space/:name/preview/:branch/`). Covers wrangler config, project layout, static asset rules, server entry conventions, npm dependency limits, and the most common cause of blank previews (JSX in browser scripts).

cloudflare/vibesdk Agent Skills author: cloudflare MIT 1 file body ≈ 5 560 tokens Open the sourcegithub.com↗ analyzed 2 h ago

Author Cloudflare Worker Bundler-compatible apps that build and preview correctly inside a space.

As a process D 40/100 · Unfinished process — weak spots: result and completion, inputs and preconditions, failures and branches

GeneratorCloudflareInfrastructuretype and topics are labelled automatically from the skill text
Runs in: Claude / Claude Code ChatGPT / Codex Gemini CLI Cursor GitHub Copilot / VS Code Qwen Code Kimi Code CLI Z.ai (GLM) DeepSeek (Deep Code) Mistral Vibe LangChain (deepagents) OpenClaw Goose OpenCode
JSON
Technical rating
B
90/100
safety, quality, tests
Safety 60%
100
Quality 40%
74
Run on models
none yet
Process rating
D
40/100
Unfinished process
Result and completion w 14
0
Inputs and preconditions w 11
0
Failures and branches w 10
0
the three weakest of ten parameters · all ten

How to improve

  1. The SKILL.md body is over 5,000 tokens: move reference detail into references/ and load it when needed.
For the model run — optional
  • Your own cases (evals/evals.json, 4–6 real requests with expected answers): the full check would then run those instead of a model-drafted suite.
  • A spec.yaml with trigger phrases and assertions — a behaviour contract for CI; `skilltest init` writes a template.

Guard findings · 0

✓ No critical or high findings

Files scanned: 1. Evidence is masked. Grey chips explain why severity was lowered.

Against the Agent Skills spec

  • warning body-long SKILL.md body ≈ 5560 tokens (recommended < 5000); move details to references/
  • note edit-residue the text marks something as outdated (lines 272): check that old rules are not kept next to new ones — the full check reads the text for contradictions

Process rating: all ten parameters 40/100

  • 0Result and completion. Does not say what the result is
  • 0Inputs and preconditions. Does not say what the process needs to start
  • 0Failures and branches. Linear process with no failure handling
  • 0Progress reporting. Says nothing while it works
  • 30Running it twice. 21 mutating operations with no state check
  • 40Consistency. Frontmatter name (cloudflare-bundler-apps) differs from the folder (app-file-structure)
  • 60Tools and files. Uses tools (web, node) that frontmatter does not declare
  • 60Steps. 44 steps, 5 vague phrases
  • 70Execution cost. Instruction body is 5560 tokens
  • 100When it triggers. States when to use and when not to
  • low The response is described with custom markup (10 tags): a typed call is more reliable

Everything here is measured from the skill text rather than judged by a model, so the numbers are checkable. A parameter weighs more when it is a more common reason for the process to stall.

Quality signals

  • +5Description has no quoted example phrases that should trigger the skill
  • +4Description does not say when NOT to use the skill (false activations)
  • +3Output format is not stated: the model decides each time
  • +1No license
  • +2Single-language instructions
  • +3Description length 456: enough signal without eating the budget
  • +4Structure: 17 headings
  • +3Step-by-step instructions: 44 items
  • +4Has examples (19 code blocks)

Quality base 70; lint remarks subtract, signals add up to 100. Result: 74.