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BD FlowCrawl

Stealth web scraper. Give it any URL and it punches through Cloudflare, bot detection, and WAFs automatically using a 3-tier cascade (plain HTTP → TLS spoof → full JS). No API keys, no proxies, no CDP Chrome. Free from the Flow team. Use when scraping any website, bypassing bot protection, spidering a full site, or extracting clean markdown from any page.

ClawHub Agent Skills author: windseeker1111 v1.1.0 MIT-0 5 files body ≈ 457 tokens Open the sourceclawhub.ai↗ analyzed 2 d ago

As a process D 47/100 · Unfinished process — weak spots: steps, when it triggers, inputs and preconditions

IntegrationCloudflareInfrastructuretype and topics are labelled automatically from the skill text
Runs in: OpenClaw 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) Goose OpenCode
JSON
Technical rating
B
87/100
safety, quality, tests
Safety 60%
90
Quality 40%
82
Run on models
none yet
Process rating
D
47/100
Unfinished process
Steps w 15
0
Inputs and preconditions w 11
0
Failures and branches w 10
0
the three weakest of ten parameters · all ten

What is at stake

Medium-severity findings: the skill is probably honest, but read what alarmed the scanner.

Dangerous commands medium severity

Below is the worst case for this category. The finding here is medium: the guard saw a sign, not a proof.

If you install

The skill contains commands that delete files, rewrite disks or execute code fetched from the network. The agent may run them without asking if it believes the instructions require it.

For the author

Replace destructive commands with safe equivalents that ask for confirmation, scope them to one folder, and stop piping curl into a shell: pin a version and a checksum.

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 · 2

    ✓ No critical or high findings

    Medium and low: 2
    • medium Dangerous commands cmd-shell-rc README.md:74
      Writes to a shell startup file
      echo 'alias flowcrawl="python3 ~/clawd/skills/flowcrawl/scripts/flowcrawl.py"' >> ~/.zshrc
    • medium Dangerous commands cmd-shell-rc SKILL.md:38
      Writes to a shell startup file
      echo 'alias flowcrawl="python3 ~/clawd/skills/flowcrawl/scripts/flowcrawl.py"' >> ~/.zshrc

    Files scanned: 5. Evidence is masked. Grey chips explain why severity was lowered.

    Against the Agent Skills spec

    • warning name-format name should be kebab-case (lowercase letters, digits, hyphens)

    Process rating: all ten parameters 47/100

    • 0Steps. Prose only: no discrete steps
    • 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
    • 20When it triggers. No condition that starts the skill
    • 60Result and completion. Output format stated, no completion criterion
    • 100Tools and files. No external tools needed
    • 100Consistency. Name and required fields are in place
    • 100Execution cost. Instruction body is 457 tokens
    • 100Running it twice. No mutating operations

    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)
    • +3No numbered steps or checklist
    • +1No license
    • +2Single-language instructions
    • +3Description length 357: enough signal without eating the budget
    • +4Structure: 6 headings
    • +3Output format is stated explicitly
    • +4Has examples (3 code blocks)
    • +3All 1 scripts are documented

    Quality base 70; lint remarks subtract, signals add up to 100. Result: 82.

    External checks

    ClawHub: suspicious
    FlowCrawl is an openly disclosed stealth web scraper, but it is framed and implemented to bypass bot protections on arbitrary sites without clear authorization controls.
    LLM: suspicious (high) · VirusTotal: · 29 May 2026