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BC r2-upload

Upload files to Cloudflare R2, AWS S3, or any S3-compatible storage (like MinIO) and generate secure, time-limited presigned download links with configurable expiration, typically set to 5 minutes. Use when the user needs to upload a file to cloud storage and get a shareable link, or mentions R2, S3, presigned URLs, temporary links, or file uploads with expiration.

zebbern/claude-code-guide Agent Skills author: zebbern 11 files · 2 scripts body ≈ 731 tokens Open the sourcegithub.com↗ analyzed 5 d ago

Upload files to Cloudflare R2, AWS S3, or any S3-compatible storage (like MinIO) and generate secure, time-limited presigned download links with configurable…

As a process C 54/100 · Has gaps — weak spots: result and completion, inputs and preconditions, failures and branches

GeneratorAWSCloudflareInfrastructuretype 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%
95
Quality 40%
83
Run on models
none yet
Process rating
C
54/100
Has gaps
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

    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 · 5

    ✓ No critical or high findings

    Medium and low: 5
    • low Secrets in code secret-high-entropy-token pnpm-lock.yaml:50
      High-entropy token-like string (may be an id, hash or a credential)
      resolution: {integrity: sha512-+iWb8…YNf+ly5S…Rag==}
    • low Secrets in code secret-high-entropy-token pnpm-lock.yaml:63
      High-entropy token-like string (may be an id, hash or a credential)
      resolution: {integrity: sha5…wIN//F77/IADDSs58i+MDaO…jeo+YFg==}
    • low Secrets in code secret-high-entropy-token pnpm-lock.yaml:121
      High-entropy token-like string (may be an id, hash or a credential)
      resolution: {integrity: sha5…Bnt+aV0eAJ7uc+ouNo…sDq+a0lWFM/XpyRWraqA==}
    • low Secrets in code secret-high-entropy-token pnpm-lock.yaml:129
      High-entropy token-like string (may be an id, hash or a credential)
      resolution: {integrity: sha5…vix+1VAt…AQx/FjhhlpSTwuXd+LRhUEVb3MaA==}
    • low Secrets in code secret-high-entropy-token pnpm-lock.yaml:165
      High-entropy token-like string (may be an id, hash or a credential)
      resolution: {integrity: sha5…6lL+G6JH…aiq+/fhkU…9KA==}

    Files scanned: 11. Evidence is masked. Grey chips explain why severity was lowered.

    Against the Agent Skills spec

    • note frontmatter-key unknown frontmatter key "summary"

    Process rating: all ten parameters 54/100

    • 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. 5 mutating operations with no state check
    • 70When it triggers. States when to use, but not when not to
    • 85Steps. 24 steps, 1 vague phrases
    • 100Tools and files. No external tools needed
    • 100Consistency. Name and required fields are in place
    • 100Execution cost. Instruction body is 731 tokens

    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 367: enough signal without eating the budget
    • +4Structure: 14 headings
    • +3Step-by-step instructions: 24 items
    • +4Has examples (7 code blocks)

    Quality base 70; lint remarks subtract, signals add up to 100. Result: 83.