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BF browser-use

Use Browser Use cloud API to spin up cloud browsers for Clawdbot and run autonomous browser tasks. Primary use is creating browser sessions with profiles (persisted logins/cookies) that Clawdbot can control. Secondary use is running task subagents for fast autonomous browser automation. Docs at docs.browser-use.com and docs.cloud.browser-use.com.

Not recommendedcritical or high security findings
modbender/skill-library-mcp Agent Skills author: modbender MIT 1 file body ≈ 1 141 tokens Open the sourcegithub.com↗ analyzed 2 d ago

Use Browser Use cloud API to spin up cloud browsers for Clawdbot and run autonomous browser tasks.

As a process F 22/100 · Will not run — References files that are not bundled: references/api.md

IntegrationCommercetype 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
77/100
safety, quality, tests
Safety 60%
78
Quality 40%
75
Run on models
none yet
Process rating
F
22/100
Will not run
References files that are not bundled: references/api.md
Tools and files w 18
0
Result and completion w 14
0
Inputs and preconditions w 11
0
the three weakest of ten parameters · all ten

What is at stake

The skill contains fragments that, in the wrong hands, cost money or data. Below: what the installer risks and what the author should do.

Exfiltration
If you install

The instructions or scripts send data out: environment variables, keys, file contents, chat history. You may never notice, because the agent performs the upload as "part of the task".

For the author

If the upload is not needed for the task, remove it: catalogs flag such skills and delist them. If it is needed, name the destination explicitly, say what leaves the machine, and give the user a switch.

How to improve

  1. Address the high-severity findings: each costs 18 safety points. If one is a false positive, add the rule id to guard.allow in spec.yaml.
  2. The text references files that are not there: add them or drop the references.
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

  • high Exfiltration intent-browser-credential-store SKILL.md:107
    Accesses a browser credential / cookie store
    **Tip:** You can also sync cookies from your local Chrome using the Browser Use Chrome extension.
Medium and low: 4
  • low Exfiltration net-credential-use SKILL.md:72
    Credential used in a network call (verify the destination is the intended service) (the skill's own vendor host)
    curl "https://api.browser-use.com/api/v2/browsers" -H "X-Browser-Use-API-Key: $API_KEY"
    vendor-host
  • low Exfiltration net-credential-use SKILL.md:75
    Credential used in a network call (verify the destination is the intended service) (the skill's own vendor host)
    curl "https://api.browser-use.com/api/v2/browsers/<session-id>" -H "X-Browser-Use-API-Key: $API_KEY"
    vendor-host
  • low Exfiltration net-credential-use SKILL.md:94
    Credential used in a network call (verify the destination is the intended service) (the skill's own vendor host)
    curl "https://api.browser-use.com/api/v2/profiles" -H "X-Browser-Use-API-Key: $API_KEY"
    vendor-host
  • low Exfiltration net-credential-use SKILL.md:130
    Credential used in a network call (verify the destination is the intended service) (the skill's own vendor host)
    curl "https://api.browser-use.com/api/v2/tasks/<task-id>" -H "X-Browser-Use-API-Key: $API_KEY"
    vendor-host

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

Against the Agent Skills spec

  • warning missing-ref reference to a missing file: references/api.md

Process rating: all ten parameters 22/100

Will not run. References files that are not bundled: references/api.md
  • 0Tools and files. 1 referenced file(s) missing: references/api.md
  • 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
  • 20When it triggers. No condition that starts the skill
  • 30Running it twice. 3 mutating operations with no state check
  • 40Consistency. Frontmatter name (browser-use) differs from the folder (browser-use-1-0-0)
  • 50Steps. 2 steps
  • 100Execution cost. Instruction body is 1141 tokens
  • 100Progress reporting. Reports progress

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
  • +3Output format is not stated: the model decides each time
  • +1No license
  • +2Single-language instructions
  • +3Description length 348: enough signal without eating the budget
  • +4Structure: 11 headings
  • +4Has examples (9 code blocks)

Quality base 70; lint remarks subtract, signals add up to 100. Result: 75.