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CF masumi-payments

Enable AI agents to accept Cardano blockchain payments through the decentralized Masumi network by deploying their own payment service

modbender/skill-library-mcp Agent Skills author: modbender MIT 18 files body ≈ 1 668 tokens Open the sourcegithub.com↗ analyzed 2 d ago

Enable AI agents to accept Cardano blockchain payments through the decentralized Masumi network by deploying their own payment service

As a process F 36/100 · Will not run — References files that are not bundled: examples/payment-manager.ts

IntegrationGitHubAI 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
C
71/100
safety, quality, tests
Safety 60%
75
Quality 40%
66
Run on models
none yet
Process rating
F
36/100
Will not run
References files that are not bundled: examples/payment-manager.ts
Tools and files w 18
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.

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

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

✓ No critical or high findings

Medium and low: 5
  • medium Risky intent intent-wallet-secrets src/services/auto-provision.ts:24
    Handles crypto-wallet secrets (seed / mnemonic / private key) — a classic stealer target
    seed?: string; // Encrypted seed phrase
  • medium Risky intent intent-wallet-secrets src/utils/wallet-generator.ts:8
    Handles crypto-wallet secrets (seed / mnemonic / private key) — a classic stealer target
    mnemonic: string;          // 24-word mnemonic phrase (space-separated)
  • medium Risky intent intent-wallet-secrets src/utils/wallet-generator.ts:82
    Handles crypto-wallet secrets (seed / mnemonic / private key) — a classic stealer target
    * @param mnemonic - 24-word mnemonic phrase (space-separated or array)
  • medium Risky intent intent-wallet-secrets src/utils/wallet-generator.ts:137
    Handles crypto-wallet secrets (seed / mnemonic / private key) — a classic stealer target
    * @param mnemonic - 24-word mnemonic phrase
  • medium Risky intent intent-wallet-secrets src/utils/wallet-generator.ts:181
    Handles crypto-wallet secrets (seed / mnemonic / private key) — a classic stealer target
    * Validate a mnemonic phrase

Files scanned: 18. 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")
  • warning missing-ref reference to a missing file: examples/payment-manager.ts
  • note frontmatter-key unknown frontmatter key "homepage"

Process rating: all ten parameters 36/100

Will not run. References files that are not bundled: examples/payment-manager.ts
  • 0Tools and files. 1 referenced file(s) missing: examples/payment-manager.ts
  • 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
  • 30Running it twice. 9 mutating operations with no state check
  • 40Consistency. Frontmatter name (masumi-payments) differs from the folder (masumi)
  • 60Result and completion. Output format stated, no completion criterion
  • 100Steps. 59 steps
  • 100Execution cost. Instruction body is 1668 tokens

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)
  • -2localhost URLs: will not work for another user
  • +1No license
  • +2Single-language instructions
  • +3Description length 134: enough signal without eating the budget
  • +4Structure: 17 headings
  • +3Step-by-step instructions: 59 items
  • +3Output format is stated explicitly
  • +4Has examples (3 code blocks)

Quality base 70; lint remarks subtract, signals add up to 100. Result: 66.