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AB Vincent - Polymarket for agents

Polymarket prediction market trading for agents. Use this skill when users want to create a Polymarket wallet, browse markets, place bets, manage positions, or withdraw funds. Triggers on "polymarket", "prediction market", "place bet", "browse markets", "trade prediction", "polymarket wallet", "betting", "market odds".

ClawHub Agent Skills author: Chris Cassano v1.0.70 MIT-0 2 files body ≈ 4 794 tokens Open the sourceclawhub.ai↗ analyzed 3 d ago

As a process B 71/100 · Nearly there — weak spots: inputs and preconditions, consistency

GeneratorAI and agentsInfrastructuretype 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
A
91/100
safety, quality, tests
Safety 60%
95
Quality 40%
86
Run on models
none yet
Process rating
B
71/100
Nearly there
Inputs and preconditions w 11
0
Consistency w 8
40
Result and completion w 14
60
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 SKILL.md:96
      High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
      2. Send USDC.e (bridged USDC, contract `0x27…174`) on Polygon to that address
      quoted
    • low Secrets in code secret-high-entropy-token SKILL.md:99
      High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
      **Do not send native USDC** (`0x3c…359`). Polymarket only accepts bridged USDC.e.
      quoted
    • low Secrets in code secret-high-entropy-token SKILL.md:109
      High-entropy token-like string (may be an id, hash or a credential) (detector / deny-list definition)
      --token-in 0x83…913 --amount 10 \
      detector
    • low Secrets in code secret-high-entropy-token SKILL.md:110
      High-entropy token-like string (may be an id, hash or a credential)
      --token-out 0x27…174 --slippage 100
    • low Secrets in code secret-high-entropy-token SKILL.md:115
      High-entropy token-like string (may be an id, hash or a credential) (detector / deny-list definition)
      --token-in 0x83…913 --amount 10 \
      detector

    Files scanned: 2. 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)
    • note frontmatter-key unknown frontmatter key "homepage"
    • note frontmatter-key unknown frontmatter key "source"

    Process rating: all ten parameters 71/100

    • 0Inputs and preconditions. Does not say what the process needs to start
    • 40Consistency. Frontmatter name (Vincent - Polymarket for agents) differs from the folder (vincentpolymarket)
    • 60Result and completion. Output format stated, no completion criterion
    • 70When it triggers. States when to use, but not when not to
    • 70Execution cost. Instruction body is 4794 tokens
    • 85Steps. 62 steps, 2 vague phrases
    • 100Tools and files. Tools declared in frontmatter
    • 100Failures and branches. 15 branches, has a failure section
    • 100Running it twice. Mutating operations check current state
    • 100Progress reporting. Reports progress
    • medium Safety rules and hard prohibitions inside a skill: they belong in the system prompt, here they protect nothing
    • low The response is described with custom markup (3 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

    • +4Description does not say when NOT to use the skill (false activations)
    • +2Single-language instructions
    • +5Description quotes 8 example trigger phrases
    • +3Description length 320: enough signal without eating the budget
    • +4Structure: 21 headings
    • +3Step-by-step instructions: 62 items
    • +3Output format is stated explicitly
    • +4Has examples (23 code blocks)
    • +1License stated

    Quality base 70; lint remarks subtract, signals add up to 100. Result: 86.

    External checks

    ClawHub: suspicious
    The skill is openly for autonomous Polymarket trading, but it gives an agent high-impact financial authority with weak onboarding safeguards and mutable command execution.
    LLM: suspicious (high) · VirusTotal: suspicious · 10 Sept 2026