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BB deai-marketplace

Connects an AI agent to the DeAI decentralized asset auction marketplace on Base (https://deai.au). Provides shell scripts for: registering as an agent, browsing active auctions, bidding on English auctions, instant Buy-It-Now purchases, creating auctions to sell tokenized assets (ERC-20, ERC-721, ERC-1155, ERC-4626), settling expired auctions, cancelling listings, checking reputation and trade history, and approving payment tokens. Use when the user mentions: DeAI, asset auction, on-chain auction, bid, buy now, settle auction, create auction, agent registration, reputation, or Base marketplace.

modbender/skill-library-mcp Agent Skills author: modbender MIT 13 files · 11 scripts body ≈ 2 304 tokens Open the sourcegithub.com↗ analyzed 2 d ago

Connects an AI agent to the DeAI decentralized asset auction marketplace on Base (https://deai.au). Provides shell scripts for: registering as an agent…

As a process B 69/100 · Nearly there — weak spots: result and completion, running it twice, progress reporting

ProcedureCommerceAI and agentstype 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
83/100
safety, quality, tests
Safety 60%
85
Quality 40%
81
Run on models
none yet
Process rating
B
69/100
Nearly there
Result and completion w 14
0
Progress reporting w 2
0
Running it twice w 4
30
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.

Broad scope 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 asks for more than the task needs: broad tool access, credential environment variables, binaries. Every extra permission widens the damage from a mistake or a compromise.

For the author

Narrow allowed-tools and the variable list to the minimum; replace binaries with readable sources or scripts.

Risky intent 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 purpose itself is risky: wallets, browser password stores, offensive security. Even an honest implementation gives the agent access to things that cost money.

For the author

Explain in the description why the access is needed and how it is limited; add tests that show refusals on dangerous requests.

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 · 7

    ✓ No critical or high findings

    Medium and low: 7
    • medium Broad scope meta-broad-allowed-tools SKILL.md:1
      Broad tool permissions pre-approved: Bash
      allowed-tools: Bash
    • medium Risky intent intent-wallet-secrets SKILL.md:169
      Handles crypto-wallet secrets (seed / mnemonic / private key) — a classic stealer target
      - `DEAI_PASSWORD_FILE` — Path to keystore password file (for autonomous signing without prompts)
    • low Secrets in code secret-high-entropy-token reference.md:13
      High-entropy token-like string (may be an id, hash or a credential) (documentation table row)
      | AssetAuction | `0x6c…38C` | `DEAI_ASSET_AUCTION_ADDR` |
      table
    • low Secrets in code secret-high-entropy-token reference.md:14
      High-entropy token-like string (may be an id, hash or a credential) (documentation table row)
      | Escrow | `0xEC…8d5` | `DEAI_ESCROW_ADDR` |
      table
    • low Secrets in code secret-high-entropy-token reference.md:15
      High-entropy token-like string (may be an id, hash or a credential) (documentation table row)
      | ERC8…ter | `0xf6…F4A` | `DEAI_IDENTITY_ADDR` |
      table
    • low Secrets in code secret-high-entropy-token reference.md:16
      High-entropy token-like string (may be an id, hash or a credential) (documentation table row)
      | ERC8…ter | `0xeC…A1c` | `DEAI_REPUTATION_ADDR` |
      table
    • low Secrets in code secret-high-entropy-token reference.md:17
      High-entropy token-like string (may be an id, hash or a credential) (documentation table row)
      | Endorsement | `0xB4…167` | `DEAI_ENDORSEMENT_ADDR` |
      table

    Files scanned: 13. Evidence is masked. Grey chips explain why severity was lowered.

    Against the Agent Skills spec

    ✓ No remarks against the Agent Skills spec

    Process rating: all ten parameters 69/100

    • 0Result and completion. Does not say what the result is
    • 0Progress reporting. Says nothing while it works
    • 30Running it twice. 7 mutating operations with no state check
    • 50Failures and branches. 0 branches, has a failure section
    • 70When it triggers. States when to use, but not when not to
    • 70Inputs and preconditions. Inputs and preconditions are listed
    • 100Tools and files. Tools declared in frontmatter
    • 100Steps. 34 steps
    • 100Consistency. Name and required fields are in place
    • 100Execution cost. Instruction body is 2304 tokens
    • 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 (8 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
    • -31 of 11 scripts are never mentioned in SKILL.md
    • +1No license
    • +2Single-language instructions
    • +3Description length 602: enough signal without eating the budget
    • +4Structure: 17 headings
    • +3Step-by-step instructions: 34 items
    • +4Has examples (3 code blocks)

    Quality base 70; lint remarks subtract, signals add up to 100. Result: 81.