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BB paygents

Accept crypto payments in AI agent conversations. Generate MetaMask/Trust Wallet deeplinks, verify transactions on-chain, check balances, issue receipts. No custody, no backend, no API keys.

modbender/skill-library-mcp Agent Skills author: modbender MIT 9 files · 4 scripts body ≈ 1 592 tokens Open the sourcegithub.com↗ analyzed 3 d ago

Accept crypto payments in AI agent conversations.

As a process B 68/100 · Nearly there — weak spots: result and completion, when it triggers, running it twice

IntegrationAI and agentsSoftware developmenttype 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
79/100
safety, quality, tests
Safety 60%
85
Quality 40%
71
Run on models
none yet
Process rating
B
68/100
Nearly there
Result and completion w 14
0
Progress reporting w 2
0
When it triggers w 12
20
the three weakest of ten parameters · all ten

How to improve

  1. Say in the description WHEN to use the skill ("use when…", example requests): that is the agent's main cue.
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 · 15

✓ No critical or high findings

Medium and low: 15
  • low Secrets in code secret-high-entropy-token README.md:116
    High-entropy token-like string (may be an id, hash or a credential) (documentation table row)
    | Ethereum | `1` | `0xA0…b48` |
    table
  • low Secrets in code secret-high-entropy-token README.md:117
    High-entropy token-like string (may be an id, hash or a credential) (documentation table row)
    | Base | `8453` | `0x83…913` |
    table
  • low Secrets in code secret-high-entropy-token README.md:119
    High-entropy token-like string (may be an id, hash or a credential) (documentation table row)
    | Base Sepolia (testnet) | `84532` | `0x03…f7e` |
    table
  • low Secrets in code secret-high-entropy-token references/evm-usdc-poc.md:19
    High-entropy token-like string (may be an id, hash or a credential) (documentation table row)
    | Ethereum | 1 | `0xA0…b48` |
    table
  • low Secrets in code secret-high-entropy-token references/evm-usdc-poc.md:20
    High-entropy token-like string (may be an id, hash or a credential) (documentation table row)
    | Base | 8453 | `0x83…913` |
    table
  • low Secrets in code secret-high-entropy-token references/evm-usdc-poc.md:22
    High-entropy token-like string (may be an id, hash or a credential) (documentation table row)
    | Base Sepolia | 84532 | `0x03…f7e` |
    table
  • low Secrets in code secret-high-entropy-token scripts/evm-payment-link.sh:91
    High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
    1) TOKEN="0xA0…b48" ;;
    quoted
  • low Secrets in code secret-high-entropy-token scripts/evm-payment-link.sh:92
    High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
    8453) TOKEN="0x83…913" ;;
    quoted
  • low Secrets in code secret-high-entropy-token scripts/evm-payment-link.sh:94
    High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
    84532) TOKEN="0x03…f7e" ;;
    quoted
  • low Secrets in code secret-high-entropy-token scripts/evm-verify-tx.sh:62
    High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
    1) TOKEN="0xA0…b48" ;;
    quoted
  • low Secrets in code secret-high-entropy-token scripts/evm-verify-tx.sh:63
    High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
    8453) TOKEN="0x83…913" ;;
    quoted
  • low Secrets in code secret-high-entropy-token scripts/evm-verify-tx.sh:65
    High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
    84532) TOKEN="0x03…f7e" ;;
    quoted
  • low Secrets in code secret-high-entropy-token SKILL.md:122
    High-entropy token-like string (may be an id, hash or a credential) (documentation table row)
    | Ethereum | 1 | `0xA0…b48` |
    table
  • low Secrets in code secret-high-entropy-token SKILL.md:123
    High-entropy token-like string (may be an id, hash or a credential) (documentation table row)
    | Base | 8453 | `0x83…913` |
    table
  • low Secrets in code secret-high-entropy-token SKILL.md:125
    High-entropy token-like string (may be an id, hash or a credential) (documentation table row)
    | Base Sepolia | 84532 | `0x03…f7e` |
    table

Files scanned: 9. Evidence is masked. Grey chips explain why severity was lowered.

Against the Agent Skills spec

  • warning description-no-when description does not say WHEN to use the skill (no "use when")

Process rating: all ten parameters 68/100

  • 0Result and completion. Does not say what the result is
  • 0Progress reporting. Says nothing while it works
  • 20When it triggers. No condition that starts the skill
  • 30Running it twice. 9 mutating operations with no state check
  • 70Inputs and preconditions. Inputs and preconditions are listed
  • 100Tools and files. No external tools needed
  • 100Steps. 24 steps
  • 100Failures and branches. 1 branches, has a failure section
  • 100Consistency. Name and required fields are in place
  • 100Execution cost. Instruction body is 1592 tokens
  • medium Safety rules and hard prohibitions inside a skill: they belong in the system prompt, here they protect nothing
  • low 11 top-level sections: this looks like several domains in one skill

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
  • -41 reference files, but SKILL.md never points to them: the model will not open them
  • +1No license
  • +2Single-language instructions
  • +3Description length 190: enough signal without eating the budget
  • +4Structure: 14 headings
  • +3Step-by-step instructions: 24 items
  • +4Has examples (10 code blocks)
  • +3All 4 scripts are documented

Quality base 70; lint remarks subtract, signals add up to 100. Result: 71.